Merge "MidiService: check UID in getDeviceStatus()"
diff --git a/StubLibraries.bp b/StubLibraries.bp
index 77b26f8..131d5e2 100644
--- a/StubLibraries.bp
+++ b/StubLibraries.bp
@@ -32,23 +32,12 @@
 }
 
 /////////////////////////////////////////////////////////////////////
-// Common metalava configs
-/////////////////////////////////////////////////////////////////////
-
-stubs_defaults {
-    name: "metalava-non-updatable-api-stubs-default",
-    defaults: ["android-non-updatable-stubs-defaults"],
-    api_levels_annotations_enabled: false,
-    defaults_visibility: ["//visibility:private"],
-}
-
-/////////////////////////////////////////////////////////////////////
 // These modules provide source files for the stub libraries
 /////////////////////////////////////////////////////////////////////
 
 droidstubs {
     name: "api-stubs-docs-non-updatable",
-    defaults: ["metalava-non-updatable-api-stubs-default"],
+    defaults: ["android-non-updatable-stubs-defaults"],
     args: metalava_framework_docs_args,
     check_api: {
         current: {
@@ -97,7 +86,7 @@
 
 droidstubs {
     name: "system-api-stubs-docs-non-updatable",
-    defaults: ["metalava-non-updatable-api-stubs-default"],
+    defaults: ["android-non-updatable-stubs-defaults"],
     args: metalava_framework_docs_args + priv_apps,
     check_api: {
         current: {
@@ -133,7 +122,7 @@
 
 droidstubs {
     name: "test-api-stubs-docs-non-updatable",
-    defaults: ["metalava-non-updatable-api-stubs-default"],
+    defaults: ["android-non-updatable-stubs-defaults"],
     args: metalava_framework_docs_args + test + priv_apps_in_stubs,
     check_api: {
         current: {
@@ -175,7 +164,7 @@
 
 droidstubs {
     name: "module-lib-api-stubs-docs-non-updatable",
-    defaults: ["metalava-non-updatable-api-stubs-default"],
+    defaults: ["android-non-updatable-stubs-defaults"],
     args: metalava_framework_docs_args + priv_apps_in_stubs + module_libs,
     check_api: {
         current: {
diff --git a/apct-tests/perftests/core/src/android/view/HandwritingInitiatorPerfTest.java b/apct-tests/perftests/core/src/android/view/HandwritingInitiatorPerfTest.java
index cf94e9e..4cd9741 100644
--- a/apct-tests/perftests/core/src/android/view/HandwritingInitiatorPerfTest.java
+++ b/apct-tests/perftests/core/src/android/view/HandwritingInitiatorPerfTest.java
@@ -25,7 +25,6 @@
 
 import android.app.Instrumentation;
 import android.content.Context;
-import android.graphics.Rect;
 import android.perftests.utils.BenchmarkState;
 import android.perftests.utils.PerfStatusReporter;
 import android.view.inputmethod.EditorInfo;
@@ -190,7 +189,7 @@
         final View view = new View(mContext);
         final EditorInfo editorInfo = new EditorInfo();
         while (state.keepRunning()) {
-            mHandwritingInitiator.onInputConnectionCreated(view, editorInfo);
+            mHandwritingInitiator.onInputConnectionCreated(view);
             state.pauseTiming();
             mHandwritingInitiator.onInputConnectionClosed(view);
             state.resumeTiming();
@@ -201,24 +200,14 @@
     public void onInputConnectionClosed() {
         final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         final View view = new View(mContext);
-        final EditorInfo editorInfo = new EditorInfo();
         while (state.keepRunning()) {
             state.pauseTiming();
-            mHandwritingInitiator.onInputConnectionCreated(view, editorInfo);
+            mHandwritingInitiator.onInputConnectionCreated(view);
             state.resumeTiming();
             mHandwritingInitiator.onInputConnectionClosed(view);
         }
     }
 
-    @Test
-    public void updateEditorBoundary() {
-        final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
-        final Rect rect = new Rect(0, 0, 100, 100);
-        while (state.keepRunning()) {
-            mHandwritingInitiator.updateEditorBound(rect);
-        }
-    }
-
     private MotionEvent createMotionEvent(int action, int toolType, int x, int y, long eventTime) {
         MotionEvent.PointerProperties[] properties = MotionEvent.PointerProperties.createArray(1);
         properties[0].toolType = toolType;
diff --git a/apex/jobscheduler/service/java/com/android/server/usage/AppStandbyController.java b/apex/jobscheduler/service/java/com/android/server/usage/AppStandbyController.java
index ee09952..0ad70e4 100644
--- a/apex/jobscheduler/service/java/com/android/server/usage/AppStandbyController.java
+++ b/apex/jobscheduler/service/java/com/android/server/usage/AppStandbyController.java
@@ -183,7 +183,7 @@
             COMPRESS_TIME ? 1 * ONE_MINUTE : 12 * ONE_HOUR,
             COMPRESS_TIME ? 4 * ONE_MINUTE : 24 * ONE_HOUR,
             COMPRESS_TIME ? 16 * ONE_MINUTE : 48 * ONE_HOUR,
-            COMPRESS_TIME ? 32 * ONE_MINUTE : 45 * ONE_DAY
+            COMPRESS_TIME ? 32 * ONE_MINUTE : 3 * ONE_DAY
     };
 
     /** The minimum allowed values for each index in {@link #DEFAULT_ELAPSED_TIME_THRESHOLDS}. */
@@ -2540,7 +2540,7 @@
                     switch (name) {
                         case KEY_AUTO_RESTRICTED_BUCKET_DELAY_MS:
                             mInjector.mAutoRestrictedBucketDelayMs = Math.max(
-                                    COMPRESS_TIME ? ONE_MINUTE : 2 * ONE_HOUR,
+                                    COMPRESS_TIME ? ONE_MINUTE : 4 * ONE_HOUR,
                                     properties.getLong(KEY_AUTO_RESTRICTED_BUCKET_DELAY_MS,
                                             DEFAULT_AUTO_RESTRICTED_BUCKET_DELAY_MS));
                             break;
diff --git a/core/api/current.txt b/core/api/current.txt
index 1b5e926..78d4b4d 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -1135,6 +1135,7 @@
     field public static final int popupWindowStyle = 16842870; // 0x1010076
     field public static final int port = 16842793; // 0x1010029
     field public static final int positiveButtonText = 16843253; // 0x10101f5
+    field public static final int preferKeepClear;
     field public static final int preferMinimalPostProcessing = 16844300; // 0x101060c
     field public static final int preferenceCategoryStyle = 16842892; // 0x101008c
     field public static final int preferenceFragmentStyle = 16844038; // 0x1010506
@@ -7314,6 +7315,7 @@
     method public int getMaximumFailedPasswordsForWipe(@Nullable android.content.ComponentName);
     method public long getMaximumTimeToLock(@Nullable android.content.ComponentName);
     method @NonNull public java.util.List<java.lang.String> getMeteredDataDisabledPackages(@NonNull android.content.ComponentName);
+    method public int getMinimumRequiredWifiSecurityLevel();
     method @RequiresPermission(value=android.Manifest.permission.READ_NEARBY_STREAMING_POLICY, conditional=true) public int getNearbyAppStreamingPolicy();
     method @RequiresPermission(value=android.Manifest.permission.READ_NEARBY_STREAMING_POLICY, conditional=true) public int getNearbyNotificationStreamingPolicy();
     method @Deprecated @ColorInt public int getOrganizationColor(@NonNull android.content.ComponentName);
@@ -7354,6 +7356,7 @@
     method @NonNull public java.util.List<java.lang.String> getUserControlDisabledPackages(@NonNull android.content.ComponentName);
     method @NonNull public android.os.Bundle getUserRestrictions(@NonNull android.content.ComponentName);
     method @Nullable public String getWifiMacAddress(@NonNull android.content.ComponentName);
+    method @Nullable public android.app.admin.WifiSsidPolicy getWifiSsidPolicy();
     method public boolean grantKeyPairToApp(@Nullable android.content.ComponentName, @NonNull String, @NonNull String);
     method public boolean grantKeyPairToWifiAuth(@NonNull String);
     method public boolean hasCaCertInstalled(@Nullable android.content.ComponentName, byte[]);
@@ -7458,6 +7461,7 @@
     method public void setMaximumFailedPasswordsForWipe(@NonNull android.content.ComponentName, int);
     method public void setMaximumTimeToLock(@NonNull android.content.ComponentName, long);
     method @NonNull public java.util.List<java.lang.String> setMeteredDataDisabledPackages(@NonNull android.content.ComponentName, @NonNull java.util.List<java.lang.String>);
+    method public void setMinimumRequiredWifiSecurityLevel(int);
     method public void setNearbyAppStreamingPolicy(int);
     method public void setNearbyNotificationStreamingPolicy(int);
     method public void setNetworkLoggingEnabled(@Nullable android.content.ComponentName, boolean);
@@ -7506,6 +7510,7 @@
     method public void setUsbDataSignalingEnabled(boolean);
     method public void setUserControlDisabledPackages(@NonNull android.content.ComponentName, @NonNull java.util.List<java.lang.String>);
     method public void setUserIcon(@NonNull android.content.ComponentName, android.graphics.Bitmap);
+    method public void setWifiSsidPolicy(@Nullable android.app.admin.WifiSsidPolicy);
     method public int startUserInBackground(@NonNull android.content.ComponentName, @NonNull android.os.UserHandle);
     method public int stopUser(@NonNull android.content.ComponentName, @NonNull android.os.UserHandle);
     method public boolean switchUser(@NonNull android.content.ComponentName, @Nullable android.os.UserHandle);
@@ -7676,6 +7681,10 @@
     field public static final int RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT = 2; // 0x2
     field public static final int RESET_PASSWORD_REQUIRE_ENTRY = 1; // 0x1
     field public static final int SKIP_SETUP_WIZARD = 1; // 0x1
+    field public static final int WIFI_SECURITY_ENTERPRISE_192 = 3; // 0x3
+    field public static final int WIFI_SECURITY_ENTERPRISE_EAP = 2; // 0x2
+    field public static final int WIFI_SECURITY_OPEN = 0; // 0x0
+    field public static final int WIFI_SECURITY_PERSONAL = 1; // 0x1
     field public static final int WIPE_EUICC = 4; // 0x4
     field public static final int WIPE_EXTERNAL_STORAGE = 1; // 0x1
     field public static final int WIPE_RESET_PROTECTION_DATA = 2; // 0x2
@@ -7863,6 +7872,18 @@
     field @NonNull public static final android.os.Parcelable.Creator<android.app.admin.UnsafeStateException> CREATOR;
   }
 
+  public final class WifiSsidPolicy implements android.os.Parcelable {
+    method @NonNull public static android.app.admin.WifiSsidPolicy createAllowlistPolicy(@NonNull java.util.Set<java.lang.String>);
+    method @NonNull public static android.app.admin.WifiSsidPolicy createDenylistPolicy(@NonNull java.util.Set<java.lang.String>);
+    method public int describeContents();
+    method public int getPolicyType();
+    method @NonNull public java.util.Set<java.lang.String> getSsids();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.app.admin.WifiSsidPolicy> CREATOR;
+    field public static final int WIFI_SSID_POLICY_TYPE_ALLOWLIST = 0; // 0x0
+    field public static final int WIFI_SSID_POLICY_TYPE_DENYLIST = 1; // 0x1
+  }
+
 }
 
 package android.app.assist {
@@ -13190,6 +13211,7 @@
     field public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
     field public static final String FEATURE_WIFI_PASSPOINT = "android.hardware.wifi.passpoint";
     field public static final String FEATURE_WIFI_RTT = "android.hardware.wifi.rtt";
+    field public static final String FEATURE_WINDOW_MAGNIFICATION = "android.software.window_magnification";
     field public static final int FLAG_PERMISSION_WHITELIST_INSTALLER = 2; // 0x2
     field public static final int FLAG_PERMISSION_WHITELIST_SYSTEM = 1; // 0x1
     field public static final int FLAG_PERMISSION_WHITELIST_UPGRADE = 4; // 0x4
@@ -41816,11 +41838,11 @@
     field public static final String KEY_CARRIER_SUPPORTS_SS_OVER_UT_BOOL = "carrier_supports_ss_over_ut_bool";
     field public static final String KEY_CARRIER_USE_IMS_FIRST_FOR_EMERGENCY_BOOL = "carrier_use_ims_first_for_emergency_bool";
     field public static final String KEY_CARRIER_USSD_METHOD_INT = "carrier_ussd_method_int";
-    field public static final String KEY_CARRIER_UT_PROVISIONING_REQUIRED_BOOL = "carrier_ut_provisioning_required_bool";
+    field @Deprecated public static final String KEY_CARRIER_UT_PROVISIONING_REQUIRED_BOOL = "carrier_ut_provisioning_required_bool";
     field public static final String KEY_CARRIER_VOLTE_AVAILABLE_BOOL = "carrier_volte_available_bool";
     field public static final String KEY_CARRIER_VOLTE_OVERRIDE_WFC_PROVISIONING_BOOL = "carrier_volte_override_wfc_provisioning_bool";
-    field public static final String KEY_CARRIER_VOLTE_PROVISIONED_BOOL = "carrier_volte_provisioned_bool";
-    field public static final String KEY_CARRIER_VOLTE_PROVISIONING_REQUIRED_BOOL = "carrier_volte_provisioning_required_bool";
+    field @Deprecated public static final String KEY_CARRIER_VOLTE_PROVISIONED_BOOL = "carrier_volte_provisioned_bool";
+    field @Deprecated public static final String KEY_CARRIER_VOLTE_PROVISIONING_REQUIRED_BOOL = "carrier_volte_provisioning_required_bool";
     field public static final String KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL = "carrier_volte_tty_supported_bool";
     field public static final String KEY_CARRIER_VT_AVAILABLE_BOOL = "carrier_vt_available_bool";
     field @Deprecated public static final String KEY_CARRIER_VVM_PACKAGE_NAME_STRING = "carrier_vvm_package_name_string";
@@ -42066,6 +42088,13 @@
     field public static final int IPSEC_ENCRYPTION_ALGORITHM_AES_CBC = 2; // 0x2
     field public static final int IPSEC_ENCRYPTION_ALGORITHM_DES_EDE3_CBC = 1; // 0x1
     field public static final int IPSEC_ENCRYPTION_ALGORITHM_NULL = 0; // 0x0
+    field public static final String KEY_CAPABILITY_CALL_COMPOSER_INT_ARRAY = "ims.key_capability_type_call_composer_int_array";
+    field public static final String KEY_CAPABILITY_TYPE_OPTIONS_UCE_INT_ARRAY = "ims.key_capability_type_options_uce_int_array";
+    field public static final String KEY_CAPABILITY_TYPE_PRESENCE_UCE_INT_ARRAY = "ims.key_capability_type_presence_uce_int_array";
+    field public static final String KEY_CAPABILITY_TYPE_SMS_INT_ARRAY = "ims.key_capability_type_sms_int_array";
+    field public static final String KEY_CAPABILITY_TYPE_UT_INT_ARRAY = "ims.key_capability_type_ut_int_array";
+    field public static final String KEY_CAPABILITY_TYPE_VIDEO_INT_ARRAY = "ims.key_capability_type_video_int_array";
+    field public static final String KEY_CAPABILITY_TYPE_VOICE_INT_ARRAY = "ims.key_capability_type_voice_int_array";
     field public static final String KEY_ENABLE_PRESENCE_CAPABILITY_EXCHANGE_BOOL = "ims.enable_presence_capability_exchange_bool";
     field public static final String KEY_ENABLE_PRESENCE_GROUP_SUBSCRIBE_BOOL = "ims.enable_presence_group_subscribe_bool";
     field public static final String KEY_ENABLE_PRESENCE_PUBLISH_BOOL = "ims.enable_presence_publish_bool";
@@ -42080,11 +42109,13 @@
     field public static final String KEY_IPV4_SIP_MTU_SIZE_CELLULAR_INT = "ims.ipv4_sip_mtu_size_cellular_int";
     field public static final String KEY_IPV6_SIP_MTU_SIZE_CELLULAR_INT = "ims.ipv6_sip_mtu_size_cellular_int";
     field public static final String KEY_KEEP_PDN_UP_IN_NO_VOPS_BOOL = "ims.keep_pdn_up_in_no_vops_bool";
+    field public static final String KEY_MMTEL_REQUIRES_PROVISIONING_BUNDLE = "ims.mmtel_requires_provisioning_bundle";
     field public static final String KEY_NON_RCS_CAPABILITIES_CACHE_EXPIRATION_SEC_INT = "ims.non_rcs_capabilities_cache_expiration_sec_int";
     field public static final String KEY_PHONE_CONTEXT_DOMAIN_NAME_STRING = "ims.phone_context_domain_name_string";
     field public static final String KEY_PREFIX = "ims.";
     field public static final String KEY_RCS_BULK_CAPABILITY_EXCHANGE_BOOL = "ims.rcs_bulk_capability_exchange_bool";
     field public static final String KEY_RCS_FEATURE_TAG_ALLOWED_STRING_ARRAY = "ims.rcs_feature_tag_allowed_string_array";
+    field public static final String KEY_RCS_REQUIRES_PROVISIONING_BUNDLE = "ims.rcs_requires_provisioning_bundle";
     field public static final String KEY_REGISTRATION_EVENT_PACKAGE_SUPPORTED_BOOL = "ims.registration_event_package_supported_bool";
     field public static final String KEY_REGISTRATION_EXPIRY_TIMER_SEC_INT = "ims.registration_expiry_timer_sec_int";
     field public static final String KEY_REGISTRATION_RETRY_BASE_TIMER_MILLIS_INT = "ims.registration_retry_base_timer_millis_int";
@@ -42347,6 +42378,7 @@
     field public static final String KEY_SUPPORTED_IKE_SESSION_ENCRYPTION_ALGORITHMS_INT_ARRAY = "iwlan.supported_ike_session_encryption_algorithms_int_array";
     field public static final String KEY_SUPPORTED_INTEGRITY_ALGORITHMS_INT_ARRAY = "iwlan.supported_integrity_algorithms_int_array";
     field public static final String KEY_SUPPORTED_PRF_ALGORITHMS_INT_ARRAY = "iwlan.supported_prf_algorithms_int_array";
+    field public static final String KEY_SUPPORTS_EAP_AKA_FAST_REAUTH_BOOL = "iwlan.supports_eap_aka_fast_reauth_bool";
   }
 
   public abstract class CellIdentity implements android.os.Parcelable {
@@ -44732,6 +44764,7 @@
   public class ImsManager {
     method @NonNull public android.telephony.ims.ImsMmTelManager getImsMmTelManager(int);
     method @NonNull public android.telephony.ims.ImsRcsManager getImsRcsManager(int);
+    method @NonNull public android.telephony.ims.ProvisioningManager getProvisioningManager(int);
     field public static final String ACTION_WFC_IMS_REGISTRATION_ERROR = "android.telephony.ims.action.WFC_IMS_REGISTRATION_ERROR";
     field public static final String EXTRA_WFC_REGISTRATION_FAILURE_MESSAGE = "android.telephony.ims.extra.WFC_REGISTRATION_FAILURE_MESSAGE";
     field public static final String EXTRA_WFC_REGISTRATION_FAILURE_TITLE = "android.telephony.ims.extra.WFC_REGISTRATION_FAILURE_TITLE";
@@ -44982,6 +45015,23 @@
     field public static final int REASON_UNKNOWN_TEMPORARY_ERROR = 1; // 0x1
   }
 
+  public class ProvisioningManager {
+    method @RequiresPermission(android.Manifest.permission.READ_PRECISE_PHONE_STATE) @WorkerThread public boolean getProvisioningStatusForCapability(int, int);
+    method @RequiresPermission(android.Manifest.permission.READ_PRECISE_PHONE_STATE) @WorkerThread public boolean getRcsProvisioningStatusForCapability(int, int);
+    method @RequiresPermission(android.Manifest.permission.READ_PRECISE_PHONE_STATE) public boolean isProvisioningRequiredForCapability(int, int);
+    method @RequiresPermission(android.Manifest.permission.READ_PRECISE_PHONE_STATE) public boolean isRcsProvisioningRequiredForCapability(int, int);
+    method @RequiresPermission(android.Manifest.permission.READ_PRECISE_PHONE_STATE) public void registerFeatureProvisioningChangedCallback(@NonNull java.util.concurrent.Executor, @NonNull android.telephony.ims.ProvisioningManager.FeatureProvisioningCallback) throws android.telephony.ims.ImsException;
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) @WorkerThread public void setProvisioningStatusForCapability(int, int, boolean);
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) @WorkerThread public void setRcsProvisioningStatusForCapability(int, int, boolean);
+    method public void unregisterFeatureProvisioningChangedCallback(@NonNull android.telephony.ims.ProvisioningManager.FeatureProvisioningCallback);
+  }
+
+  public static class ProvisioningManager.FeatureProvisioningCallback {
+    ctor public ProvisioningManager.FeatureProvisioningCallback();
+    method public void onFeatureProvisioningChanged(int, int, boolean);
+    method public void onRcsFeatureProvisioningChanged(int, int, boolean);
+  }
+
   public class RcsUceAdapter {
     method @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE) public boolean isUceSettingEnabled() throws android.telephony.ims.ImsException;
   }
@@ -45022,6 +45072,27 @@
     field public static final int CAPABILITY_TYPE_VOICE = 1; // 0x1
   }
 
+  public class RcsFeature {
+  }
+
+  public static class RcsFeature.RcsImsCapabilities {
+    field public static final int CAPABILITY_TYPE_NONE = 0; // 0x0
+    field public static final int CAPABILITY_TYPE_OPTIONS_UCE = 1; // 0x1
+    field public static final int CAPABILITY_TYPE_PRESENCE_UCE = 2; // 0x2
+  }
+
+}
+
+package android.telephony.ims.stub {
+
+  public class ImsRegistrationImplBase {
+    field public static final int REGISTRATION_TECH_CROSS_SIM = 2; // 0x2
+    field public static final int REGISTRATION_TECH_IWLAN = 1; // 0x1
+    field public static final int REGISTRATION_TECH_LTE = 0; // 0x0
+    field public static final int REGISTRATION_TECH_NONE = -1; // 0xffffffff
+    field public static final int REGISTRATION_TECH_NR = 3; // 0x3
+  }
+
 }
 
 package android.telephony.mbms {
@@ -50220,6 +50291,7 @@
     method public float getPivotX();
     method public float getPivotY();
     method public android.view.PointerIcon getPointerIcon();
+    method @NonNull public final java.util.List<android.graphics.Rect> getPreferKeepClearRects();
     method @Nullable public String[] getReceiveContentMimeTypes();
     method public android.content.res.Resources getResources();
     method public final boolean getRevealOnFocusHint();
@@ -50337,6 +50409,7 @@
     method protected boolean isPaddingOffsetRequired();
     method public boolean isPaddingRelative();
     method public boolean isPivotSet();
+    method public final boolean isPreferKeepClear();
     method public boolean isPressed();
     method public boolean isSaveEnabled();
     method public boolean isSaveFromParentEnabled();
@@ -50579,6 +50652,8 @@
     method public void setPivotX(float);
     method public void setPivotY(float);
     method public void setPointerIcon(android.view.PointerIcon);
+    method public final void setPreferKeepClear(boolean);
+    method public final void setPreferKeepClearRects(@NonNull java.util.List<android.graphics.Rect>);
     method public void setPressed(boolean);
     method public void setRenderEffect(@Nullable android.graphics.RenderEffect);
     method public final void setRevealOnFocusHint(boolean);
diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index b082629..2a4e7a6 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -147,10 +147,12 @@
     field public static final int USB_DATA_TRANSFER_RATE_LOW_SPEED = 2; // 0x2
     field public static final int USB_DATA_TRANSFER_RATE_UNKNOWN = -1; // 0xffffffff
     field public static final int USB_HAL_NOT_SUPPORTED = -1; // 0xffffffff
+    field public static final int USB_HAL_RETRY = -2; // 0xfffffffe
     field public static final int USB_HAL_V1_0 = 10; // 0xa
     field public static final int USB_HAL_V1_1 = 11; // 0xb
     field public static final int USB_HAL_V1_2 = 12; // 0xc
     field public static final int USB_HAL_V1_3 = 13; // 0xd
+    field public static final int USB_HAL_V2_0 = 20; // 0x14
   }
 
 }
@@ -264,6 +266,32 @@
     method public int getResourceId();
   }
 
+  public class NetworkIdentity {
+    method public int getOemManaged();
+    method public int getRatType();
+    method @Nullable public String getSubscriberId();
+    method public int getType();
+    method @Nullable public String getWifiNetworkKey();
+    method public boolean isDefaultNetwork();
+    method public boolean isMetered();
+    method public boolean isRoaming();
+  }
+
+  public static final class NetworkIdentity.Builder {
+    ctor public NetworkIdentity.Builder();
+    method @NonNull public android.net.NetworkIdentity build();
+    method @NonNull public android.net.NetworkIdentity.Builder clearRatType();
+    method @NonNull public android.net.NetworkIdentity.Builder setDefaultNetwork(boolean);
+    method @NonNull public android.net.NetworkIdentity.Builder setMetered(boolean);
+    method @NonNull public android.net.NetworkIdentity.Builder setNetworkStateSnapshot(@NonNull android.net.NetworkStateSnapshot);
+    method @NonNull public android.net.NetworkIdentity.Builder setOemManaged(int);
+    method @NonNull public android.net.NetworkIdentity.Builder setRatType(int);
+    method @NonNull public android.net.NetworkIdentity.Builder setRoaming(boolean);
+    method @NonNull public android.net.NetworkIdentity.Builder setSubscriberId(@Nullable String);
+    method @NonNull public android.net.NetworkIdentity.Builder setType(int);
+    method @NonNull public android.net.NetworkIdentity.Builder setWifiNetworkKey(@Nullable String);
+  }
+
   public class NetworkPolicyManager {
     method @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public int getMultipathPreference(@NonNull android.net.Network);
     method @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public int getRestrictBackgroundStatus(int);
@@ -291,6 +319,30 @@
     field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkStateSnapshot> CREATOR;
   }
 
+  public final class NetworkStatsHistory implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public java.util.List<android.net.NetworkStatsHistory.Entry> getEntries();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkStatsHistory> CREATOR;
+  }
+
+  public static final class NetworkStatsHistory.Builder {
+    ctor public NetworkStatsHistory.Builder(long, int);
+    method @NonNull public android.net.NetworkStatsHistory.Builder addEntry(@NonNull android.net.NetworkStatsHistory.Entry);
+    method @NonNull public android.net.NetworkStatsHistory build();
+  }
+
+  public static final class NetworkStatsHistory.Entry {
+    ctor public NetworkStatsHistory.Entry(long, long, long, long, long, long, long);
+    method public long getActiveTime();
+    method public long getBucketStart();
+    method public long getOperations();
+    method public long getRxBytes();
+    method public long getRxPackets();
+    method public long getTxBytes();
+    method public long getTxPackets();
+  }
+
   public final class NetworkTemplate implements android.os.Parcelable {
     method public int describeContents();
     method public int getDefaultNetworkStatus();
@@ -346,6 +398,10 @@
     method public static void setHttpProxyConfiguration(@Nullable android.net.ProxyInfo);
   }
 
+  public class TrafficStats {
+    method public static void init(@NonNull android.content.Context);
+  }
+
   public final class UnderlyingNetworkInfo implements android.os.Parcelable {
     ctor public UnderlyingNetworkInfo(int, @NonNull String, @NonNull java.util.List<java.lang.String>);
     method public int describeContents();
diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index f554e1f..34a8a8b 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -2,6 +2,7 @@
 package android {
 
   public static final class Manifest.permission {
+    field public static final String ACCESS_AMBIENT_CONTEXT_EVENT = "android.permission.ACCESS_AMBIENT_CONTEXT_EVENT";
     field public static final String ACCESS_AMBIENT_LIGHT_STATS = "android.permission.ACCESS_AMBIENT_LIGHT_STATS";
     field public static final String ACCESS_BROADCAST_RADIO = "android.permission.ACCESS_BROADCAST_RADIO";
     field public static final String ACCESS_CACHE_FILESYSTEM = "android.permission.ACCESS_CACHE_FILESYSTEM";
@@ -38,6 +39,7 @@
     field public static final String BACKGROUND_CAMERA = "android.permission.BACKGROUND_CAMERA";
     field public static final String BACKUP = "android.permission.BACKUP";
     field public static final String BATTERY_PREDICTION = "android.permission.BATTERY_PREDICTION";
+    field public static final String BIND_AMBIENT_CONTEXT_DETECTION_SERVICE = "android.permission.BIND_AMBIENT_CONTEXT_DETECTION_SERVICE";
     field public static final String BIND_ATTENTION_SERVICE = "android.permission.BIND_ATTENTION_SERVICE";
     field public static final String BIND_AUGMENTED_AUTOFILL_SERVICE = "android.permission.BIND_AUGMENTED_AUTOFILL_SERVICE";
     field public static final String BIND_CALL_DIAGNOSTIC_SERVICE = "android.permission.BIND_CALL_DIAGNOSTIC_SERVICE";
@@ -160,6 +162,7 @@
     field public static final String MANAGE_DEBUGGING = "android.permission.MANAGE_DEBUGGING";
     field public static final String MANAGE_DEVICE_ADMINS = "android.permission.MANAGE_DEVICE_ADMINS";
     field public static final String MANAGE_FACTORY_RESET_PROTECTION = "android.permission.MANAGE_FACTORY_RESET_PROTECTION";
+    field public static final String MANAGE_GAME_MODE = "android.permission.MANAGE_GAME_MODE";
     field public static final String MANAGE_HOTWORD_DETECTION = "android.permission.MANAGE_HOTWORD_DETECTION";
     field public static final String MANAGE_IPSEC_TUNNELS = "android.permission.MANAGE_IPSEC_TUNNELS";
     field public static final String MANAGE_MUSIC_RECOGNITION = "android.permission.MANAGE_MUSIC_RECOGNITION";
@@ -756,7 +759,17 @@
   }
 
   public final class GameManager {
-    method @RequiresPermission("android.permission.MANAGE_GAME_MODE") public void setGameMode(@NonNull String, int);
+    method @Nullable @RequiresPermission(android.Manifest.permission.MANAGE_GAME_MODE) public android.app.GameModeInfo getGameModeInfo(@NonNull String);
+    method @RequiresPermission(android.Manifest.permission.MANAGE_GAME_MODE) public void setGameMode(@NonNull String, int);
+  }
+
+  public final class GameModeInfo implements android.os.Parcelable {
+    ctor public GameModeInfo(int, @NonNull int[]);
+    method public int describeContents();
+    method public int getActiveGameMode();
+    method @NonNull public int[] getAvailableGameModes();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.app.GameModeInfo> CREATOR;
   }
 
   public abstract class InstantAppResolverService extends android.app.Service {
@@ -1130,7 +1143,36 @@
   }
 
   public static final class DevicePolicyResources.Strings {
-    field public static final String INVALID_ID = "INVALID_ID";
+    field public static final String UNDEFINED = "UNDEFINED";
+  }
+
+  public static final class DevicePolicyResources.Strings.DocumentsUi {
+    field public static final String CANT_SAVE_TO_PERSONAL_MESSAGE = "DocumentsUi.CANT_SAVE_TO_PERSONAL_MESSAGE";
+    field public static final String CANT_SAVE_TO_PERSONAL_TITLE = "DocumentsUi.CANT_SAVE_TO_PERSONAL_TITLE";
+    field public static final String CANT_SAVE_TO_WORK_MESSAGE = "DocumentsUi.CANT_SAVE_TO_WORK_MESSAGE";
+    field public static final String CANT_SAVE_TO_WORK_TITLE = "DocumentsUi.CANT_SAVE_TO_WORK_TITLE";
+    field public static final String CANT_SELECT_PERSONAL_FILES_MESSAGE = "DocumentsUi.CANT_SELECT_PERSONAL_FILES_MESSAGE";
+    field public static final String CANT_SELECT_PERSONAL_FILES_TITLE = "DocumentsUi.CANT_SELECT_PERSONAL_FILES_TITLE";
+    field public static final String CANT_SELECT_WORK_FILES_MESSAGE = "DocumentsUi.CANT_SELECT_WORK_FILES_MESSAGE";
+    field public static final String CANT_SELECT_WORK_FILES_TITLE = "DocumentsUi.CANT_SELECT_WORK_FILES_TITLE";
+    field public static final String CROSS_PROFILE_NOT_ALLOWED_MESSAGE = "DocumentsUi.CROSS_PROFILE_NOT_ALLOWED_MESSAGE";
+    field public static final String CROSS_PROFILE_NOT_ALLOWED_TITLE = "DocumentsUi.CROSS_PROFILE_NOT_ALLOWED_TITLE";
+    field public static final String PERSONAL_TAB = "DocumentsUi.PERSONAL_TAB";
+    field public static final String PREVIEW_WORK_FILE_ACCESSIBILITY = "DocumentsUi.PREVIEW_WORK_FILE_ACCESSIBILITY";
+    field public static final String WORK_ACCESSIBILITY = "DocumentsUi.WORK_ACCESSIBILITY";
+    field public static final String WORK_PROFILE_OFF_ENABLE_BUTTON = "DocumentsUi.WORK_PROFILE_OFF_ENABLE_BUTTON";
+    field public static final String WORK_PROFILE_OFF_ERROR_TITLE = "DocumentsUi.WORK_PROFILE_OFF_ERROR_TITLE";
+    field public static final String WORK_TAB = "DocumentsUi.WORK_TAB";
+  }
+
+  public static final class DevicePolicyResources.Strings.MediaProvider {
+    field public static final String BLOCKED_BY_ADMIN_TITLE = "MediaProvider.BLOCKED_BY_ADMIN_TITLE";
+    field public static final String BLOCKED_FROM_PERSONAL_MESSAGE = "MediaProvider.BLOCKED_FROM_PERSONAL_MESSAGE";
+    field public static final String BLOCKED_FROM_WORK_MESSAGE = "MediaProvider.BLOCKED_FROM_WORK_MESSAGE";
+    field public static final String SWITCH_TO_PERSONAL_MESSAGE = "MediaProvider.SWITCH_TO_PERSONAL_MESSAGE";
+    field public static final String SWITCH_TO_WORK_MESSAGE = "MediaProvider.SWITCH_TO_WORK_MESSAGE";
+    field public static final String WORK_PROFILE_PAUSED_MESSAGE = "MediaProvider.WORK_PROFILE_PAUSED_MESSAGE";
+    field public static final String WORK_PROFILE_PAUSED_TITLE = "MediaProvider.WORK_PROFILE_PAUSED_TITLE";
   }
 
   public final class DevicePolicyStringResource implements android.os.Parcelable {
@@ -1213,6 +1255,87 @@
 
 }
 
+package android.app.ambientcontext {
+
+  public final class AmbientContextEvent implements android.os.Parcelable {
+    method public int describeContents();
+    method public int getConfidenceLevel();
+    method public int getDensityLevel();
+    method @NonNull public java.time.Instant getEndTime();
+    method public int getEventType();
+    method @NonNull public java.time.Instant getStartTime();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.app.ambientcontext.AmbientContextEvent> CREATOR;
+    field public static final int EVENT_COUGH = 1; // 0x1
+    field public static final int EVENT_SNORE = 2; // 0x2
+    field public static final int EVENT_UNKNOWN = 0; // 0x0
+    field public static final int LEVEL_HIGH = 5; // 0x5
+    field public static final int LEVEL_LOW = 1; // 0x1
+    field public static final int LEVEL_MEDIUM = 3; // 0x3
+    field public static final int LEVEL_MEDIUM_HIGH = 4; // 0x4
+    field public static final int LEVEL_MEDIUM_LOW = 2; // 0x2
+    field public static final int LEVEL_UNKNOWN = 0; // 0x0
+  }
+
+  public static final class AmbientContextEvent.Builder {
+    ctor public AmbientContextEvent.Builder();
+    method @NonNull public android.app.ambientcontext.AmbientContextEvent build();
+    method @NonNull public android.app.ambientcontext.AmbientContextEvent.Builder setConfidenceLevel(int);
+    method @NonNull public android.app.ambientcontext.AmbientContextEvent.Builder setDensityLevel(int);
+    method @NonNull public android.app.ambientcontext.AmbientContextEvent.Builder setEndTime(@NonNull java.time.Instant);
+    method @NonNull public android.app.ambientcontext.AmbientContextEvent.Builder setEventType(int);
+    method @NonNull public android.app.ambientcontext.AmbientContextEvent.Builder setStartTime(@NonNull java.time.Instant);
+  }
+
+  public final class AmbientContextEventRequest implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public java.util.Set<java.lang.Integer> getEventTypes();
+    method @NonNull public android.os.PersistableBundle getOptions();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.app.ambientcontext.AmbientContextEventRequest> CREATOR;
+  }
+
+  public static final class AmbientContextEventRequest.Builder {
+    ctor public AmbientContextEventRequest.Builder();
+    method @NonNull public android.app.ambientcontext.AmbientContextEventRequest.Builder addEventType(int);
+    method @NonNull public android.app.ambientcontext.AmbientContextEventRequest build();
+    method @NonNull public android.app.ambientcontext.AmbientContextEventRequest.Builder setOptions(@NonNull android.os.PersistableBundle);
+  }
+
+  public final class AmbientContextEventResponse implements android.os.Parcelable {
+    method public int describeContents();
+    method @Nullable public android.app.PendingIntent getActionPendingIntent();
+    method @NonNull public java.util.List<android.app.ambientcontext.AmbientContextEvent> getEvents();
+    method @NonNull public String getPackageName();
+    method public int getStatusCode();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.app.ambientcontext.AmbientContextEventResponse> CREATOR;
+    field public static final int STATUS_ACCESS_DENIED = 5; // 0x5
+    field public static final int STATUS_MICROPHONE_DISABLED = 4; // 0x4
+    field public static final int STATUS_NOT_SUPPORTED = 2; // 0x2
+    field public static final int STATUS_SERVICE_UNAVAILABLE = 3; // 0x3
+    field public static final int STATUS_SUCCESS = 1; // 0x1
+    field public static final int STATUS_UNKNOWN = 0; // 0x0
+  }
+
+  public static final class AmbientContextEventResponse.Builder {
+    ctor public AmbientContextEventResponse.Builder();
+    method @NonNull public android.app.ambientcontext.AmbientContextEventResponse.Builder addEvent(@NonNull android.app.ambientcontext.AmbientContextEvent);
+    method @NonNull public android.app.ambientcontext.AmbientContextEventResponse build();
+    method @NonNull public android.app.ambientcontext.AmbientContextEventResponse.Builder setActionPendingIntent(@NonNull android.app.PendingIntent);
+    method @NonNull public android.app.ambientcontext.AmbientContextEventResponse.Builder setPackageName(@NonNull String);
+    method @NonNull public android.app.ambientcontext.AmbientContextEventResponse.Builder setStatusCode(int);
+  }
+
+  public final class AmbientContextManager {
+    method @Nullable public static android.app.ambientcontext.AmbientContextEventResponse getResponseFromIntent(@NonNull android.content.Intent);
+    method @RequiresPermission(android.Manifest.permission.ACCESS_AMBIENT_CONTEXT_EVENT) public void registerObserver(@NonNull android.app.ambientcontext.AmbientContextEventRequest, @NonNull android.app.PendingIntent);
+    method @RequiresPermission(android.Manifest.permission.ACCESS_AMBIENT_CONTEXT_EVENT) public void unregisterObserver();
+    field public static final String EXTRA_AMBIENT_CONTEXT_EVENT_RESPONSE = "android.app.ambientcontext.extra.AMBIENT_CONTEXT_EVENT_RESPONSE";
+  }
+
+}
+
 package android.app.assist {
 
   public class ActivityId {
@@ -2353,6 +2476,15 @@
     field @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) public static final String ACTION_CONNECTION_STATE_CHANGED = "android.bluetooth.pbap.profile.action.CONNECTION_STATE_CHANGED";
   }
 
+  public final class BluetoothPbapClient implements java.lang.AutoCloseable android.bluetooth.BluetoothProfile {
+    method @NonNull @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public java.util.List<android.bluetooth.BluetoothDevice> getConnectedDevices();
+    method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public int getConnectionPolicy(@NonNull android.bluetooth.BluetoothDevice);
+    method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public int getConnectionState(@NonNull android.bluetooth.BluetoothDevice);
+    method @NonNull @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public java.util.List<android.bluetooth.BluetoothDevice> getDevicesMatchingConnectionStates(@NonNull int[]);
+    method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public boolean setConnectionPolicy(@NonNull android.bluetooth.BluetoothDevice, int);
+    field @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public static final String ACTION_CONNECTION_STATE_CHANGED = "android.bluetooth.pbapclient.profile.action.CONNECTION_STATE_CHANGED";
+  }
+
   public interface BluetoothProfile {
     field public static final int A2DP_SINK = 11; // 0xb
     field public static final int AVRCP_CONTROLLER = 12; // 0xc
@@ -2694,6 +2826,7 @@
     method @RequiresPermission(android.Manifest.permission.INTERACT_ACROSS_USERS) public abstract void sendBroadcastAsUser(@RequiresPermission android.content.Intent, android.os.UserHandle, @Nullable String, @Nullable android.os.Bundle);
     method public abstract void sendOrderedBroadcast(@NonNull android.content.Intent, @Nullable String, @Nullable android.os.Bundle, @Nullable android.content.BroadcastReceiver, @Nullable android.os.Handler, int, @Nullable String, @Nullable android.os.Bundle);
     method @RequiresPermission(android.Manifest.permission.INTERACT_ACROSS_USERS) public void startActivityAsUser(@NonNull @RequiresPermission android.content.Intent, @NonNull android.os.UserHandle);
+    field public static final String AMBIENT_CONTEXT_SERVICE = "ambient_context";
     field public static final String APP_HIBERNATION_SERVICE = "app_hibernation";
     field public static final String APP_INTEGRITY_SERVICE = "app_integrity";
     field public static final String APP_PREDICTION_SERVICE = "app_prediction";
@@ -5086,8 +5219,20 @@
   }
 
   public final class UsbPort {
+    method @CheckResult @RequiresPermission(android.Manifest.permission.MANAGE_USB) public int enableLimitPowerTransfer(boolean);
+    method @CheckResult @RequiresPermission(android.Manifest.permission.MANAGE_USB) public int enableUsbData(boolean);
     method @Nullable @RequiresPermission(android.Manifest.permission.MANAGE_USB) public android.hardware.usb.UsbPortStatus getStatus();
     method @RequiresPermission(android.Manifest.permission.MANAGE_USB) public void setRoles(int, int);
+    field public static final int ENABLE_LIMIT_POWER_TRANSFER_ERROR_INTERNAL = 1; // 0x1
+    field public static final int ENABLE_LIMIT_POWER_TRANSFER_ERROR_NOT_SUPPORTED = 2; // 0x2
+    field public static final int ENABLE_LIMIT_POWER_TRANSFER_ERROR_OTHER = 4; // 0x4
+    field public static final int ENABLE_LIMIT_POWER_TRANSFER_ERROR_PORT_MISMATCH = 3; // 0x3
+    field public static final int ENABLE_LIMIT_POWER_TRANSFER_SUCCESS = 0; // 0x0
+    field public static final int ENABLE_USB_DATA_ERROR_INTERNAL = 1; // 0x1
+    field public static final int ENABLE_USB_DATA_ERROR_NOT_SUPPORTED = 2; // 0x2
+    field public static final int ENABLE_USB_DATA_ERROR_OTHER = 4; // 0x4
+    field public static final int ENABLE_USB_DATA_ERROR_PORT_MISMATCH = 3; // 0x3
+    field public static final int ENABLE_USB_DATA_SUCCESS = 0; // 0x0
   }
 
   public final class UsbPortStatus implements android.os.Parcelable {
@@ -5097,6 +5242,7 @@
     method public int getCurrentPowerRole();
     method public int getSupportedRoleCombinations();
     method public boolean isConnected();
+    method public boolean isPowerTransferLimited();
     method public boolean isRoleCombinationSupported(int, int);
     method public void writeToParcel(android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.hardware.usb.UsbPortStatus> CREATOR;
@@ -7067,7 +7213,7 @@
   }
 
   public abstract class SectionSettings extends android.media.tv.tuner.filter.Settings {
-    method public int getBitWidthOfLengthField();
+    method public int getLengthFieldBitWidth();
     method public boolean isCrcEnabled();
     method public boolean isRaw();
     method public boolean isRepeat();
@@ -8702,6 +8848,7 @@
     method @Nullable public android.net.wifi.nl80211.DeviceWiphyCapabilities getDeviceWiphyCapabilities(@NonNull String);
     method @NonNull public java.util.List<android.net.wifi.nl80211.NativeScanResult> getScanResults(@NonNull String, int);
     method @Nullable public android.net.wifi.nl80211.WifiNl80211Manager.TxPacketCounters getTxPacketCounters(@NonNull String);
+    method public boolean notifyCountryCodeChanged();
     method @Nullable public static android.net.wifi.nl80211.WifiNl80211Manager.OemSecurityType parseOemSecurityTypeElement(int, int, @NonNull byte[]);
     method @Deprecated public boolean registerApCallback(@NonNull String, @NonNull java.util.concurrent.Executor, @NonNull android.net.wifi.nl80211.WifiNl80211Manager.SoftApCallback);
     method public boolean registerCountryCodeChangedListener(@NonNull java.util.concurrent.Executor, @NonNull android.net.wifi.nl80211.WifiNl80211Manager.CountryCodeChangedListener);
@@ -9940,6 +10087,7 @@
     method @RequiresPermission(android.Manifest.permission.WRITE_DEVICE_CONFIG) public static boolean setProperty(@NonNull String, @NonNull String, @Nullable String, boolean);
     field public static final String NAMESPACE_ACTIVITY_MANAGER = "activity_manager";
     field public static final String NAMESPACE_ACTIVITY_MANAGER_NATIVE_BOOT = "activity_manager_native_boot";
+    field public static final String NAMESPACE_AMBIENT_CONTEXT_MANAGER_SERVICE = "ambient_context_manager_service";
     field public static final String NAMESPACE_APPSEARCH = "appsearch";
     field public static final String NAMESPACE_APP_COMPAT = "app_compat";
     field public static final String NAMESPACE_APP_HIBERNATION = "app_hibernation";
@@ -10211,6 +10359,7 @@
     field public static final String AUTO_REVOKE_DISABLED = "auto_revoke_disabled";
     field public static final String COMPLETED_CATEGORY_PREFIX = "suggested.completed_category.";
     field public static final String DOZE_ALWAYS_ON = "doze_always_on";
+    field public static final String FAST_PAIR_SCAN_ENABLED = "fast_pair_scan_enabled";
     field public static final String HUSH_GESTURE_USED = "hush_gesture_used";
     field public static final String INSTANT_APPS_ENABLED = "instant_apps_enabled";
     field public static final String LAST_SETUP_SHOWN = "last_setup_shown";
@@ -10511,6 +10660,18 @@
 
 }
 
+package android.service.ambientcontext {
+
+  public abstract class AmbientContextDetectionService extends android.app.Service {
+    ctor public AmbientContextDetectionService();
+    method @Nullable public final android.os.IBinder onBind(@NonNull android.content.Intent);
+    method public abstract void onStartDetection(@NonNull android.app.ambientcontext.AmbientContextEventRequest, @NonNull String, @NonNull java.util.function.Consumer<android.app.ambientcontext.AmbientContextEventResponse>);
+    method public abstract void onStopDetection(@NonNull String);
+    field public static final String SERVICE_INTERFACE = "android.service.ambientcontext.AmbientContextDetectionService";
+  }
+
+}
+
 package android.service.appprediction {
 
   public abstract class AppPredictionService extends android.app.Service {
@@ -10962,6 +11123,7 @@
     ctor public GameSession();
     method public void onCreate();
     method public void onDestroy();
+    method public void onGameTaskFocusChanged(boolean);
     method public void setTaskOverlayView(@NonNull android.view.View, @NonNull android.view.ViewGroup.LayoutParams);
     method public void takeScreenshot(@NonNull java.util.concurrent.Executor, @NonNull android.service.games.GameSession.ScreenshotCallback);
   }
@@ -14394,18 +14556,16 @@
   public class ProvisioningManager {
     method @NonNull public static android.telephony.ims.ProvisioningManager createForSubscriptionId(int);
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) @WorkerThread public int getProvisioningIntValue(int);
-    method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) @WorkerThread public boolean getProvisioningStatusForCapability(int, int);
     method @Nullable @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) @WorkerThread public String getProvisioningStringValue(int);
-    method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) @WorkerThread public boolean getRcsProvisioningStatusForCapability(int);
+    method @Deprecated @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) @WorkerThread public boolean getRcsProvisioningStatusForCapability(int);
     method @RequiresPermission(anyOf={android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, android.Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION}) public boolean isRcsVolteSingleRegistrationCapable() throws android.telephony.ims.ImsException;
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void notifyRcsAutoConfigurationReceived(@NonNull byte[], boolean);
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public void registerProvisioningChangedCallback(@NonNull java.util.concurrent.Executor, @NonNull android.telephony.ims.ProvisioningManager.Callback) throws android.telephony.ims.ImsException;
     method @RequiresPermission(anyOf={android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, android.Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION}) public void registerRcsProvisioningCallback(@NonNull java.util.concurrent.Executor, @NonNull android.telephony.ims.ProvisioningManager.RcsProvisioningCallback) throws android.telephony.ims.ImsException;
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) @WorkerThread public int setProvisioningIntValue(int, int);
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) @WorkerThread public void setProvisioningStatusForCapability(int, int, boolean);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) @WorkerThread public int setProvisioningStringValue(int, @NonNull String);
     method @RequiresPermission(android.Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION) public void setRcsClientConfiguration(@NonNull android.telephony.ims.RcsClientConfiguration) throws android.telephony.ims.ImsException;
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) @WorkerThread public void setRcsProvisioningStatusForCapability(int, boolean);
+    method @Deprecated @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) @WorkerThread public void setRcsProvisioningStatusForCapability(int, boolean);
     method @RequiresPermission(android.Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION) public void triggerRcsReconfiguration();
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public void unregisterProvisioningChangedCallback(@NonNull android.telephony.ims.ProvisioningManager.Callback);
     method @RequiresPermission(anyOf={android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, android.Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION}) public void unregisterRcsProvisioningCallback(@NonNull android.telephony.ims.ProvisioningManager.RcsProvisioningCallback);
@@ -14838,9 +14998,6 @@
     method public void addCapabilities(int);
     method public boolean isCapable(int);
     method public void removeCapabilities(int);
-    field public static final int CAPABILITY_TYPE_NONE = 0; // 0x0
-    field public static final int CAPABILITY_TYPE_OPTIONS_UCE = 1; // 0x1
-    field public static final int CAPABILITY_TYPE_PRESENCE_UCE = 2; // 0x2
   }
 
 }
@@ -14990,11 +15147,6 @@
     method public void triggerFullNetworkRegistration(@IntRange(from=100, to=699) int, @Nullable String);
     method public void triggerSipDelegateDeregistration();
     method public void updateSipDelegateRegistration();
-    field public static final int REGISTRATION_TECH_CROSS_SIM = 2; // 0x2
-    field public static final int REGISTRATION_TECH_IWLAN = 1; // 0x1
-    field public static final int REGISTRATION_TECH_LTE = 0; // 0x0
-    field public static final int REGISTRATION_TECH_NONE = -1; // 0xffffffff
-    field public static final int REGISTRATION_TECH_NR = 3; // 0x3
   }
 
   public class ImsSmsImplBase {
diff --git a/core/api/system-lint-baseline.txt b/core/api/system-lint-baseline.txt
index 9a06423..3d756ba 100644
--- a/core/api/system-lint-baseline.txt
+++ b/core/api/system-lint-baseline.txt
@@ -91,6 +91,10 @@
 
 
 
+NoSettingsProvider: android.provider.Settings.Secure#FAST_PAIR_SCAN_ENABLED:
+    New setting keys are not allowed (Field: FAST_PAIR_SCAN_ENABLED); use getters/setters in relevant manager class
+
+
 OnNameExpected: android.service.smartspace.SmartspaceService#notifySmartspaceEvent(android.app.smartspace.SmartspaceSessionId, android.app.smartspace.SmartspaceTargetEvent):
     Methods implemented by developers should follow the on<Something> style, was `notifySmartspaceEvent`
 
diff --git a/core/java/android/accounts/CantAddAccountActivity.java b/core/java/android/accounts/CantAddAccountActivity.java
index f7f232e..107efc3 100644
--- a/core/java/android/accounts/CantAddAccountActivity.java
+++ b/core/java/android/accounts/CantAddAccountActivity.java
@@ -16,9 +16,13 @@
 package android.accounts;
 
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.CANT_ADD_ACCOUNT_MESSAGE;
+
 import android.app.Activity;
+import android.app.admin.DevicePolicyManager;
 import android.os.Bundle;
 import android.view.View;
+import android.widget.TextView;
 
 import com.android.internal.R;
 
@@ -33,6 +37,12 @@
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.app_not_authorized);
+
+        TextView view = findViewById(R.id.description);
+        String text = getSystemService(DevicePolicyManager.class).getString(
+                CANT_ADD_ACCOUNT_MESSAGE,
+                () -> getString(R.string.error_message_change_not_allowed));
+        view.setText(text);
     }
 
     public void onCancelButtonClicked(View view) {
diff --git a/core/java/android/accounts/ChooseTypeAndAccountActivity.java b/core/java/android/accounts/ChooseTypeAndAccountActivity.java
index 2e9f73c..0d82ac9 100644
--- a/core/java/android/accounts/ChooseTypeAndAccountActivity.java
+++ b/core/java/android/accounts/ChooseTypeAndAccountActivity.java
@@ -15,7 +15,10 @@
  */
 package android.accounts;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.CANT_ADD_ACCOUNT_MESSAGE;
+
 import android.app.Activity;
+import android.app.admin.DevicePolicyManager;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Parcelable;
@@ -199,7 +202,14 @@
 
         if (mPossiblyVisibleAccounts.isEmpty() && mDisallowAddAccounts) {
             requestWindowFeature(Window.FEATURE_NO_TITLE);
+
             setContentView(R.layout.app_not_authorized);
+            TextView view = findViewById(R.id.description);
+            String text = getSystemService(DevicePolicyManager.class).getString(
+                    CANT_ADD_ACCOUNT_MESSAGE,
+                    () -> getString(R.string.error_message_change_not_allowed));
+            view.setText(text);
+
             mDontShowPicker = true;
         }
 
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 686ca3b..3ddbe9e 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -105,6 +105,7 @@
 import android.media.MediaServiceManager;
 import android.net.ConnectivityManager;
 import android.net.Proxy;
+import android.net.TrafficStats;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Binder;
@@ -6725,6 +6726,13 @@
         NetworkSecurityConfigProvider.install(appContext);
         Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
 
+        // For backward compatibility, TrafficStats needs static access to the application context.
+        // But for isolated apps which cannot access network related services, service discovery
+        // is restricted. Hence, calling this would result in NPE.
+        if (!Process.isIsolated()) {
+            TrafficStats.init(appContext);
+        }
+
         // Continue loading instrumentation.
         if (ii != null) {
             initInstrumentation(ii, data, appContext);
diff --git a/core/java/android/app/GameManager.java b/core/java/android/app/GameManager.java
index 29e1b70..76471d3 100644
--- a/core/java/android/app/GameManager.java
+++ b/core/java/android/app/GameManager.java
@@ -119,6 +119,31 @@
     }
 
     /**
+     * Returns the {@link GameModeInfo} associated with the game associated with
+     * the given {@code packageName}. If the given package is not a game, {@code null} is
+     * always returned.
+     * <p>
+     * An application can use <code>android:isGame="true"</code> or
+     * <code>android:appCategory="game"</code> to indicate that the application is a game.
+     * If the manifest doesn't define a category, the category can also be
+     * provided by the installer via
+     * {@link android.content.pm.PackageManager#setApplicationCategoryHint(String, int)}.
+     * <p>
+     *
+     * @hide
+     */
+    @SystemApi
+    @UserHandleAware
+    @RequiresPermission(Manifest.permission.MANAGE_GAME_MODE)
+    public @Nullable GameModeInfo getGameModeInfo(@NonNull String packageName) {
+        try {
+            return mService.getGameModeInfo(packageName, mContext.getUserId());
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
      * Sets the game mode for the given package.
      * <p>
      * The caller must have {@link android.Manifest.permission#MANAGE_GAME_MODE}.
diff --git a/core/java/android/app/GameModeInfo.aidl b/core/java/android/app/GameModeInfo.aidl
new file mode 100644
index 0000000..3b13201
--- /dev/null
+++ b/core/java/android/app/GameModeInfo.aidl
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app;
+
+/**
+ * @hide
+ */
+parcelable GameModeInfo;
\ No newline at end of file
diff --git a/core/java/android/app/GameModeInfo.java b/core/java/android/app/GameModeInfo.java
new file mode 100644
index 0000000..fe0ac35
--- /dev/null
+++ b/core/java/android/app/GameModeInfo.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app;
+
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * GameModeInfo returned from {@link GameManager#getGameModeInfo(String)}.
+ * @hide
+ */
+@SystemApi
+public final class GameModeInfo implements Parcelable {
+
+    public static final @NonNull Creator<GameModeInfo> CREATOR = new Creator<GameModeInfo>() {
+        @Override
+        public GameModeInfo createFromParcel(Parcel in) {
+            return new GameModeInfo(in);
+        }
+
+        @Override
+        public GameModeInfo[] newArray(int size) {
+            return new GameModeInfo[size];
+        }
+    };
+
+    public GameModeInfo(@GameManager.GameMode int activeGameMode,
+            @NonNull @GameManager.GameMode int[] availableGameModes) {
+        mActiveGameMode = activeGameMode;
+        mAvailableGameModes = availableGameModes;
+    }
+
+    GameModeInfo(Parcel in) {
+        mActiveGameMode = in.readInt();
+        final int availableGameModesCount = in.readInt();
+        mAvailableGameModes = new int[availableGameModesCount];
+        in.readIntArray(mAvailableGameModes);
+    }
+
+    /**
+     * Returns the {@link GameManager.GameMode} the application is currently using.
+     * Developers can enable game modes by adding
+     * <code>
+     *     <meta-data android:name="android.game_mode_intervention"
+     *             android:resource="@xml/GAME_MODE_CONFIG_FILE" />
+     * </code>
+     * to the {@link <application> tag}, where the GAME_MODE_CONFIG_FILE is an XML file that
+     * specifies the game mode enablement and configuration:
+     * <code>
+     *     <game-mode-config xmlns:android="http://schemas.android.com/apk/res/android"
+     *         android:gameModePerformance="true"
+     *         android:gameModeBattery="false"
+     *     />
+     * </code>
+     */
+    public @GameManager.GameMode int getActiveGameMode() {
+        return mActiveGameMode;
+    }
+
+    /**
+     * The collection of {@link GameManager.GameMode GameModes} that can be applied to the game.
+     */
+    @NonNull
+    public @GameManager.GameMode int[] getAvailableGameModes() {
+        return mAvailableGameModes;
+    }
+
+    // Ideally there should be callback that the caller can register to know when the available
+    // GameMode and/or the active GameMode is changed, however, there's no concrete use case
+    // at the moment so there's no callback mechanism introduced    .
+    private final @GameManager.GameMode int[] mAvailableGameModes;
+    private final @GameManager.GameMode int mActiveGameMode;
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeInt(mActiveGameMode);
+        dest.writeInt(mAvailableGameModes.length);
+        dest.writeIntArray(mAvailableGameModes);
+    }
+}
diff --git a/core/java/android/app/IGameManagerService.aidl b/core/java/android/app/IGameManagerService.aidl
index d9aa586..57de8c7 100644
--- a/core/java/android/app/IGameManagerService.aidl
+++ b/core/java/android/app/IGameManagerService.aidl
@@ -16,6 +16,7 @@
 
 package android.app;
 
+import android.app.GameModeInfo;
 import android.app.GameState;
 
 /**
@@ -27,4 +28,5 @@
     int[] getAvailableGameModes(String packageName);
     boolean getAngleEnabled(String packageName, int userId);
     void setGameState(String packageName, in GameState gameState, int userId);
-}
\ No newline at end of file
+    GameModeInfo getGameModeInfo(String packageName, int userId);
+}
diff --git a/core/java/android/app/SystemServiceRegistry.java b/core/java/android/app/SystemServiceRegistry.java
index 63c1fd8..f0208c6 100644
--- a/core/java/android/app/SystemServiceRegistry.java
+++ b/core/java/android/app/SystemServiceRegistry.java
@@ -24,6 +24,8 @@
 import android.app.ContextImpl.ServiceInitializationState;
 import android.app.admin.DevicePolicyManager;
 import android.app.admin.IDevicePolicyManager;
+import android.app.ambientcontext.AmbientContextManager;
+import android.app.ambientcontext.IAmbientContextEventObserver;
 import android.app.appsearch.AppSearchManagerFrameworkInitializer;
 import android.app.blob.BlobStoreManagerFrameworkInitializer;
 import android.app.contentsuggestions.ContentSuggestionsManager;
@@ -1523,6 +1525,18 @@
                     }
                 });
 
+        registerService(Context.AMBIENT_CONTEXT_SERVICE, AmbientContextManager.class,
+                new CachedServiceFetcher<AmbientContextManager>() {
+                    @Override
+                    public AmbientContextManager createService(ContextImpl ctx)
+                            throws ServiceNotFoundException {
+                        IBinder iBinder = ServiceManager.getServiceOrThrow(
+                                Context.AMBIENT_CONTEXT_SERVICE);
+                        IAmbientContextEventObserver manager =
+                                IAmbientContextEventObserver.Stub.asInterface(iBinder);
+                        return new AmbientContextManager(ctx.getOuterContext(), manager);
+                    }});
+
         sInitializing = true;
         try {
             // Note: the following functions need to be @SystemApis, once they become mainline
diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index cefd25a..fa0af2d 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -1578,6 +1578,78 @@
     public static final int FLAG_SUPPORTED_MODES_DEVICE_OWNER = 1 << 2;
 
     /**
+     * Constant for {@link #getMinimumRequiredWifiSecurityLevel()} and
+     * {@link #setMinimumRequiredWifiSecurityLevel(int)}: no minimum security level.
+     *
+     * <p> When returned from {@link #getMinimumRequiredWifiSecurityLevel()}, the constant
+     * represents the current minimum security level required.
+     * When passed to {@link #setMinimumRequiredWifiSecurityLevel(int)}, it sets the
+     * minimum security level a Wi-Fi network must meet.
+     *
+     * @see #WIFI_SECURITY_PERSONAL
+     * @see #WIFI_SECURITY_ENTERPRISE_EAP
+     * @see #WIFI_SECURITY_ENTERPRISE_192
+     */
+    public static final int WIFI_SECURITY_OPEN = 0;
+
+    /**
+     * Constant for {@link #getMinimumRequiredWifiSecurityLevel()} and
+     * {@link #setMinimumRequiredWifiSecurityLevel(int)}: personal network such as WEP, WPA2-PSK.
+     *
+     * <p> When returned from {@link #getMinimumRequiredWifiSecurityLevel()}, the constant
+     * represents the current minimum security level required.
+     * When passed to {@link #setMinimumRequiredWifiSecurityLevel(int)}, it sets the
+     * minimum security level a Wi-Fi network must meet.
+     *
+     * @see #WIFI_SECURITY_OPEN
+     * @see #WIFI_SECURITY_ENTERPRISE_EAP
+     * @see #WIFI_SECURITY_ENTERPRISE_192
+     */
+    public static final int WIFI_SECURITY_PERSONAL = 1;
+
+    /**
+     * Constant for {@link #getMinimumRequiredWifiSecurityLevel()} and
+     * {@link #setMinimumRequiredWifiSecurityLevel(int)}: enterprise EAP network.
+     *
+     * <p> When returned from {@link #getMinimumRequiredWifiSecurityLevel()}, the constant
+     * represents the current minimum security level required.
+     * When passed to {@link #setMinimumRequiredWifiSecurityLevel(int)}, it sets the
+     * minimum security level a Wi-Fi network must meet.
+     *
+     * @see #WIFI_SECURITY_OPEN
+     * @see #WIFI_SECURITY_PERSONAL
+     * @see #WIFI_SECURITY_ENTERPRISE_192
+     */
+    public static final int WIFI_SECURITY_ENTERPRISE_EAP = 2;
+
+    /**
+     * Constant for {@link #getMinimumRequiredWifiSecurityLevel()} and
+     * {@link #setMinimumRequiredWifiSecurityLevel(int)}: enterprise 192 bit network.
+     *
+     * <p> When returned from {@link #getMinimumRequiredWifiSecurityLevel()}, the constant
+     * represents the current minimum security level required.
+     * When passed to {@link #setMinimumRequiredWifiSecurityLevel(int)}, it sets the
+     * minimum security level a Wi-Fi network must meet.
+     *
+     * @see #WIFI_SECURITY_OPEN
+     * @see #WIFI_SECURITY_PERSONAL
+     * @see #WIFI_SECURITY_ENTERPRISE_EAP
+     */
+    public static final int WIFI_SECURITY_ENTERPRISE_192 = 3;
+
+    /**
+     * Possible Wi-Fi minimum security levels
+     *
+     * @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(prefix = {"WIFI_SECURITY_"}, value = {
+            WIFI_SECURITY_OPEN,
+            WIFI_SECURITY_PERSONAL,
+            WIFI_SECURITY_ENTERPRISE_EAP,
+            WIFI_SECURITY_ENTERPRISE_192})
+    public @interface WifiSecurity {}
+
+    /**
      * This MIME type is used for starting the device owner provisioning.
      *
      * <p>During device owner provisioning a device admin app is set as the owner of the device.
@@ -14560,6 +14632,105 @@
     }
 
     /**
+     * Called by device owner or profile owner of an organization-owned managed profile to
+     * specify the minimum security level required for Wi-Fi networks.
+     * The device may not connect to networks that do not meet the minimum security level.
+     * If the current network does not meet the minimum security level set, it will be disconnected.
+     *
+     *
+     * @param level minimum security level
+     * @throws SecurityException if the caller is not a device owner or a profile owner on
+     *         an organization-owned managed profile.
+     */
+    public void setMinimumRequiredWifiSecurityLevel(@WifiSecurity int level) {
+        throwIfParentInstance("setMinimumRequiredWifiSecurityLevel");
+        if (mService != null) {
+            try {
+                mService.setMinimumRequiredWifiSecurityLevel(level);
+            } catch (RemoteException e) {
+                throw e.rethrowFromSystemServer();
+            }
+        }
+    }
+
+    /**
+     * Returns the current Wi-Fi minimum security level.
+     *
+     * @see #setMinimumRequiredWifiSecurityLevel(int)
+     */
+    public @WifiSecurity int getMinimumRequiredWifiSecurityLevel() {
+        throwIfParentInstance("getMinimumRequiredWifiSecurityLevel");
+        if (mService == null) {
+            return WIFI_SECURITY_OPEN;
+        }
+        try {
+            return mService.getMinimumRequiredWifiSecurityLevel();
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Called by device owner or profile owner of an organization-owned managed profile to
+     * specify the Wi-Fi SSID policy ({@link WifiSsidPolicy}).
+     * Wi-Fi SSID policy specifies the SSID restriction the network must satisfy
+     * in order to be eligible for a connection. Providing a null policy results in the
+     * deactivation of the SSID restriction
+     *
+     * @param policy Wi-Fi SSID policy
+     * @throws SecurityException if the caller is not a device owner or a profile owner on
+     *         an organization-owned managed profile.
+     */
+    public void setWifiSsidPolicy(@Nullable WifiSsidPolicy policy) {
+        throwIfParentInstance("setWifiSsidPolicy");
+        if (mService != null) {
+            try {
+                if (policy == null) {
+                    mService.setSsidAllowlist(new ArrayList<>());
+                } else {
+                    int policyType = policy.getPolicyType();
+                    if (policyType == WifiSsidPolicy.WIFI_SSID_POLICY_TYPE_ALLOWLIST) {
+                        mService.setSsidAllowlist(new ArrayList<>(policy.getSsids()));
+                    } else {
+                        mService.setSsidDenylist(new ArrayList<>(policy.getSsids()));
+                    }
+                }
+            } catch (RemoteException e) {
+                throw e.rethrowFromSystemServer();
+            }
+        }
+    }
+
+    /**
+     * Returns the current Wi-Fi SSID policy.
+     * If the policy has not been set, it will return NULL.
+     *
+     * @see #setWifiSsidPolicy(WifiSsidPolicy)
+     * @throws SecurityException if the caller is not a device owner or a profile owner on
+     * an organization-owned managed profile or a system app.
+     */
+    @Nullable
+    public WifiSsidPolicy getWifiSsidPolicy() {
+        throwIfParentInstance("getWifiSsidPolicy");
+        if (mService == null) {
+            return null;
+        }
+        try {
+            List<String> allowlist = mService.getSsidAllowlist();
+            if (!allowlist.isEmpty()) {
+                return WifiSsidPolicy.createAllowlistPolicy(new ArraySet<>(allowlist));
+            }
+            List<String> denylist = mService.getSsidDenylist();
+            if (!denylist.isEmpty()) {
+                return WifiSsidPolicy.createDenylistPolicy(new ArraySet<>(denylist));
+            }
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+        return null;
+    }
+
+    /**
      * For each {@link DevicePolicyDrawableResource} item in {@code drawables}, if
      * {@link DevicePolicyDrawableResource#getDrawableSource()} is not set or is set to
      * {@link DevicePolicyResources.Drawable.Source#UNDEFINED}, it updates the drawable resource for
@@ -14896,7 +15067,7 @@
         Objects.requireNonNull(stringId, "stringId can't be null");
         Objects.requireNonNull(defaultStringLoader, "defaultStringLoader can't be null");
 
-        if (stringId.equals(DevicePolicyResources.Strings.INVALID_ID)) {
+        if (stringId.equals(DevicePolicyResources.Strings.UNDEFINED)) {
             return ParcelableResource.loadDefaultString(defaultStringLoader);
         }
         if (mService != null) {
@@ -14944,7 +15115,7 @@
         Objects.requireNonNull(stringId, "stringId can't be null");
         Objects.requireNonNull(defaultStringLoader, "defaultStringLoader can't be null");
 
-        if (stringId.equals(DevicePolicyResources.Strings.INVALID_ID)) {
+        if (stringId.equals(DevicePolicyResources.Strings.UNDEFINED)) {
             return ParcelableResource.loadDefaultString(defaultStringLoader);
         }
         if (mService != null) {
diff --git a/core/java/android/app/admin/DevicePolicyResources.java b/core/java/android/app/admin/DevicePolicyResources.java
index 21e20cd..46e2cce 100644
--- a/core/java/android/app/admin/DevicePolicyResources.java
+++ b/core/java/android/app/admin/DevicePolicyResources.java
@@ -16,6 +16,64 @@
 
 package android.app.admin;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.CANT_ADD_ACCOUNT_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.FORWARD_INTENT_TO_PERSONAL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.FORWARD_INTENT_TO_WORK;
+import static android.app.admin.DevicePolicyResources.Strings.Core.LOCATION_CHANGED_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.LOCATION_CHANGED_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.NETWORK_LOGGING_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.NETWORK_LOGGING_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.NOTIFICATION_CHANNEL_DEVICE_ADMIN;
+import static android.app.admin.DevicePolicyResources.Strings.Core.NOTIFICATION_WORK_PROFILE_CONTENT_DESCRIPTION;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PACKAGE_DELETED_BY_DO;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PACKAGE_INSTALLED_BY_DO;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PACKAGE_UPDATED_BY_DO;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PERSONAL_APP_SUSPENSION_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PERSONAL_APP_SUSPENSION_SOON_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PERSONAL_APP_SUSPENSION_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PERSONAL_APP_SUSPENSION_TURN_ON_PROFILE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PRINTING_DISABLED_NAMED_ADMIN;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PROFILE_ENCRYPTED_DETAIL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PROFILE_ENCRYPTED_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PROFILE_ENCRYPTED_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CANT_ACCESS_PERSONAL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CANT_ACCESS_WORK;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CANT_SHARE_WITH_PERSONAL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CANT_SHARE_WITH_WORK;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CROSS_PROFILE_BLOCKED_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_NO_PERSONAL_APPS;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_NO_WORK_APPS;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_PERSONAL_TAB;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_PERSONAL_TAB_ACCESSIBILITY;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_WORK_PAUSED_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_WORK_PROFILE_NOT_SUPPORTED;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_WORK_TAB;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_WORK_TAB_ACCESSIBILITY;
+import static android.app.admin.DevicePolicyResources.Strings.Core.SWITCH_TO_PERSONAL_LABEL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.SWITCH_TO_WORK_LABEL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.UNLAUNCHABLE_APP_WORK_PAUSED_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.UNLAUNCHABLE_APP_WORK_PAUSED_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_BADGED_LABEL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_DELETED_FAILED_PASSWORD_ATTEMPTS_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_DELETED_GENERIC_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_DELETED_ORG_OWNED_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_DELETED_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.CANT_SAVE_TO_PERSONAL_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.CANT_SAVE_TO_PERSONAL_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.CANT_SAVE_TO_WORK_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.CANT_SAVE_TO_WORK_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.CANT_SELECT_PERSONAL_FILES_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.CANT_SELECT_PERSONAL_FILES_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.CANT_SELECT_WORK_FILES_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.CANT_SELECT_WORK_FILES_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.CROSS_PROFILE_NOT_ALLOWED_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.CROSS_PROFILE_NOT_ALLOWED_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.PERSONAL_TAB;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.PREVIEW_WORK_FILE_ACCESSIBILITY;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.WORK_ACCESSIBILITY;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.WORK_PROFILE_OFF_ENABLE_BUTTON;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.WORK_PROFILE_OFF_ERROR_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.DocumentsUi.WORK_TAB;
 import static android.app.admin.DevicePolicyResources.Strings.Launcher.ALL_APPS_PERSONAL_TAB;
 import static android.app.admin.DevicePolicyResources.Strings.Launcher.ALL_APPS_PERSONAL_TAB_ACCESSIBILITY;
 import static android.app.admin.DevicePolicyResources.Strings.Launcher.ALL_APPS_WORK_TAB;
@@ -28,8 +86,13 @@
 import static android.app.admin.DevicePolicyResources.Strings.Launcher.WORK_PROFILE_EDU_ACCEPT;
 import static android.app.admin.DevicePolicyResources.Strings.Launcher.WORK_PROFILE_ENABLE_BUTTON;
 import static android.app.admin.DevicePolicyResources.Strings.Launcher.WORK_PROFILE_PAUSED_DESCRIPTION;
-import static android.app.admin.DevicePolicyResources.Strings.Launcher.WORK_PROFILE_PAUSED_TITLE;
 import static android.app.admin.DevicePolicyResources.Strings.Launcher.WORK_PROFILE_PAUSE_BUTTON;
+import static android.app.admin.DevicePolicyResources.Strings.MediaProvider.BLOCKED_BY_ADMIN_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.MediaProvider.BLOCKED_FROM_PERSONAL_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.MediaProvider.BLOCKED_FROM_WORK_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.MediaProvider.SWITCH_TO_PERSONAL_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.MediaProvider.SWITCH_TO_WORK_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.MediaProvider.WORK_PROFILE_PAUSED_MESSAGE;
 import static android.app.admin.DevicePolicyResources.Strings.SystemUi.BIOMETRIC_DIALOG_WORK_LOCK_FAILED_ATTEMPTS;
 import static android.app.admin.DevicePolicyResources.Strings.SystemUi.BIOMETRIC_DIALOG_WORK_PASSWORD_LAST_ATTEMPT;
 import static android.app.admin.DevicePolicyResources.Strings.SystemUi.BIOMETRIC_DIALOG_WORK_PATTERN_LAST_ATTEMPT;
@@ -65,11 +128,11 @@
 import static android.app.admin.DevicePolicyResources.Strings.SystemUi.STATUS_BAR_WORK_ICON_ACCESSIBILITY;
 import static android.app.admin.DevicePolicyResources.Strings.SystemUi.WORK_LOCK_ACCESSIBILITY;
 
-
 import android.annotation.IntDef;
 import android.annotation.StringDef;
 import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
+import android.os.UserHandle;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -138,7 +201,7 @@
     @Retention(RetentionPolicy.SOURCE)
     @StringDef({
             // Launcher Strings
-            WORK_PROFILE_EDU, WORK_PROFILE_EDU_ACCEPT, WORK_PROFILE_PAUSED_TITLE,
+            WORK_PROFILE_EDU, WORK_PROFILE_EDU_ACCEPT, Strings.Launcher.WORK_PROFILE_PAUSED_TITLE,
             WORK_PROFILE_PAUSED_DESCRIPTION, WORK_PROFILE_PAUSE_BUTTON, WORK_PROFILE_ENABLE_BUTTON,
             ALL_APPS_WORK_TAB, ALL_APPS_PERSONAL_TAB, ALL_APPS_WORK_TAB_ACCESSIBILITY,
             ALL_APPS_PERSONAL_TAB_ACCESSIBILITY, WORK_FOLDER_NAME, WIDGETS_WORK_TAB,
@@ -160,7 +223,41 @@
             BIOMETRIC_DIALOG_WORK_PATTERN_LAST_ATTEMPT, BIOMETRIC_DIALOG_WORK_PASSWORD_LAST_ATTEMPT,
             BIOMETRIC_DIALOG_WORK_LOCK_FAILED_ATTEMPTS, STATUS_BAR_WORK_ICON_ACCESSIBILITY,
             ONGOING_PRIVACY_DIALOG_WORK, KEYGUARD_MANAGEMENT_DISCLOSURE,
-            KEYGUARD_NAMED_MANAGEMENT_DISCLOSURE, WORK_LOCK_ACCESSIBILITY
+            KEYGUARD_NAMED_MANAGEMENT_DISCLOSURE, WORK_LOCK_ACCESSIBILITY,
+
+            // Core Strings
+            WORK_PROFILE_DELETED_TITLE, WORK_PROFILE_DELETED_FAILED_PASSWORD_ATTEMPTS_MESSAGE,
+            WORK_PROFILE_DELETED_GENERIC_MESSAGE, WORK_PROFILE_DELETED_ORG_OWNED_MESSAGE,
+            PERSONAL_APP_SUSPENSION_TITLE, PERSONAL_APP_SUSPENSION_MESSAGE,
+            PERSONAL_APP_SUSPENSION_SOON_MESSAGE, PERSONAL_APP_SUSPENSION_TURN_ON_PROFILE,
+            PRINTING_DISABLED_NAMED_ADMIN, LOCATION_CHANGED_TITLE, LOCATION_CHANGED_MESSAGE,
+            NETWORK_LOGGING_TITLE,  NETWORK_LOGGING_MESSAGE,
+            NOTIFICATION_WORK_PROFILE_CONTENT_DESCRIPTION, NOTIFICATION_CHANNEL_DEVICE_ADMIN,
+            SWITCH_TO_WORK_LABEL, SWITCH_TO_PERSONAL_LABEL, FORWARD_INTENT_TO_WORK,
+            FORWARD_INTENT_TO_PERSONAL, RESOLVER_WORK_PROFILE_NOT_SUPPORTED, RESOLVER_PERSONAL_TAB,
+            RESOLVER_WORK_TAB, RESOLVER_PERSONAL_TAB_ACCESSIBILITY, RESOLVER_WORK_TAB_ACCESSIBILITY,
+            RESOLVER_CROSS_PROFILE_BLOCKED_TITLE, RESOLVER_CANT_SHARE_WITH_PERSONAL,
+            RESOLVER_CANT_SHARE_WITH_WORK, RESOLVER_CANT_ACCESS_PERSONAL, RESOLVER_CANT_ACCESS_WORK,
+            RESOLVER_WORK_PAUSED_TITLE, RESOLVER_NO_WORK_APPS, RESOLVER_NO_PERSONAL_APPS,
+            CANT_ADD_ACCOUNT_MESSAGE, PACKAGE_INSTALLED_BY_DO, PACKAGE_UPDATED_BY_DO,
+            PACKAGE_DELETED_BY_DO, UNLAUNCHABLE_APP_WORK_PAUSED_TITLE,
+            UNLAUNCHABLE_APP_WORK_PAUSED_MESSAGE, PROFILE_ENCRYPTED_TITLE, PROFILE_ENCRYPTED_DETAIL,
+            PROFILE_ENCRYPTED_MESSAGE, WORK_PROFILE_BADGED_LABEL,
+
+            // DocsUi Strings
+            WORK_PROFILE_OFF_ERROR_TITLE, WORK_PROFILE_OFF_ENABLE_BUTTON,
+            CANT_SELECT_WORK_FILES_TITLE, CANT_SELECT_WORK_FILES_MESSAGE,
+            CANT_SELECT_PERSONAL_FILES_TITLE, CANT_SELECT_PERSONAL_FILES_MESSAGE,
+            CANT_SAVE_TO_WORK_TITLE, CANT_SAVE_TO_WORK_MESSAGE, CANT_SAVE_TO_PERSONAL_TITLE,
+            CANT_SAVE_TO_PERSONAL_MESSAGE, CROSS_PROFILE_NOT_ALLOWED_TITLE,
+            CROSS_PROFILE_NOT_ALLOWED_MESSAGE, PREVIEW_WORK_FILE_ACCESSIBILITY, PERSONAL_TAB,
+            WORK_TAB, WORK_ACCESSIBILITY,
+
+            // MediaProvider Strings
+            SWITCH_TO_WORK_MESSAGE, SWITCH_TO_PERSONAL_MESSAGE, BLOCKED_BY_ADMIN_TITLE,
+            BLOCKED_FROM_PERSONAL_MESSAGE, BLOCKED_FROM_PERSONAL_MESSAGE,
+            BLOCKED_FROM_WORK_MESSAGE, Strings.MediaProvider.WORK_PROFILE_PAUSED_TITLE,
+            WORK_PROFILE_PAUSED_MESSAGE
     })
     public @interface UpdatableStringId {
     }
@@ -340,7 +437,7 @@
         /**
          * An ID for any string that can't be updated.
          */
-        public static final String INVALID_ID = "INVALID_ID";
+        public static final String UNDEFINED = "UNDEFINED";
 
         /**
          * @hide
@@ -351,6 +448,9 @@
             Set<String> strings = new HashSet<>();
             strings.addAll(Launcher.buildStringsSet());
             strings.addAll(SystemUi.buildStringsSet());
+            strings.addAll(Core.buildStringsSet());
+            strings.addAll(DocumentsUi.buildStringsSet());
+            strings.addAll(MediaProvider.buildStringsSet());
             return strings;
         }
 
@@ -364,78 +464,84 @@
 
             private Launcher(){}
 
+            private static final String PREFIX = "Launcher.";
+
             /**
              * User on-boarding title for work profile apps.
              */
-            public static final String WORK_PROFILE_EDU = "WORK_PROFILE_EDU";
+            public static final String WORK_PROFILE_EDU = PREFIX + "WORK_PROFILE_EDU";
 
             /**
              * Action label to finish work profile edu.
              */
-            public static final String WORK_PROFILE_EDU_ACCEPT = "WORK_PROFILE_EDU_ACCEPT";
+            public static final String WORK_PROFILE_EDU_ACCEPT = PREFIX + "WORK_PROFILE_EDU_ACCEPT";
 
             /**
              * Title shown when user opens work apps tab while work profile is paused.
              */
-            public static final String WORK_PROFILE_PAUSED_TITLE = "WORK_PROFILE_PAUSED_TITLE";
+            public static final String WORK_PROFILE_PAUSED_TITLE =
+                    PREFIX + "WORK_PROFILE_PAUSED_TITLE";
 
             /**
              * Description shown when user opens work apps tab while work profile is paused.
              */
             public static final String WORK_PROFILE_PAUSED_DESCRIPTION =
-                    "WORK_PROFILE_PAUSED_DESCRIPTION";
+                    PREFIX + "WORK_PROFILE_PAUSED_DESCRIPTION";
 
             /**
              * Shown on the button to pause work profile.
              */
-            public static final String WORK_PROFILE_PAUSE_BUTTON = "WORK_PROFILE_PAUSE_BUTTON";
+            public static final String WORK_PROFILE_PAUSE_BUTTON =
+                    PREFIX + "WORK_PROFILE_PAUSE_BUTTON";
 
             /**
              * Shown on the button to enable work profile.
              */
-            public static final String WORK_PROFILE_ENABLE_BUTTON = "WORK_PROFILE_ENABLE_BUTTON";
+            public static final String WORK_PROFILE_ENABLE_BUTTON =
+                    PREFIX + "WORK_PROFILE_ENABLE_BUTTON";
 
             /**
              * Label on launcher tab to indicate work apps.
              */
-            public static final String ALL_APPS_WORK_TAB = "ALL_APPS_WORK_TAB";
+            public static final String ALL_APPS_WORK_TAB = PREFIX + "ALL_APPS_WORK_TAB";
 
             /**
              * Label on launcher tab to indicate personal apps.
              */
-            public static final String ALL_APPS_PERSONAL_TAB = "ALL_APPS_PERSONAL_TAB";
+            public static final String ALL_APPS_PERSONAL_TAB = PREFIX + "ALL_APPS_PERSONAL_TAB";
 
             /**
              * Accessibility description for launcher tab to indicate work apps.
              */
             public static final String ALL_APPS_WORK_TAB_ACCESSIBILITY =
-                    "ALL_APPS_WORK_TAB_ACCESSIBILITY";
+                    PREFIX + "ALL_APPS_WORK_TAB_ACCESSIBILITY";
 
             /**
              * Accessibility description for launcher tab to indicate personal apps.
              */
             public static final String ALL_APPS_PERSONAL_TAB_ACCESSIBILITY =
-                    "ALL_APPS_PERSONAL_TAB_ACCESSIBILITY";
+                    PREFIX + "ALL_APPS_PERSONAL_TAB_ACCESSIBILITY";
 
             /**
              * Work folder name.
              */
-            public static final String WORK_FOLDER_NAME = "WORK_FOLDER_NAME";
+            public static final String WORK_FOLDER_NAME = PREFIX + "WORK_FOLDER_NAME";
 
             /**
              * Label on widget tab to indicate work app widgets.
              */
-            public static final String WIDGETS_WORK_TAB = "WIDGETS_WORK_TAB";
+            public static final String WIDGETS_WORK_TAB = PREFIX + "WIDGETS_WORK_TAB";
 
             /**
              * Label on widget tab to indicate personal app widgets.
              */
-            public static final String WIDGETS_PERSONAL_TAB = "WIDGETS_PERSONAL_TAB";
+            public static final String WIDGETS_PERSONAL_TAB = PREFIX + "WIDGETS_PERSONAL_TAB";
 
             /**
              * Message shown when a feature is disabled by the admin (e.g. changing wallpaper).
              */
-            public static final String DISABLED_BY_ADMIN_MESSAGE = "DISABLED_BY_ADMIN_MESSAGE";
+            public static final String DISABLED_BY_ADMIN_MESSAGE =
+                    PREFIX + "DISABLED_BY_ADMIN_MESSAGE";
 
             /**
              * @hide
@@ -470,231 +576,236 @@
 
             private SystemUi() {
             }
+            private static final String PREFIX = "SystemUi.";
 
             /**
              * Label in quick settings for toggling work profile on/off.
              */
-            public static final String QS_WORK_PROFILE_LABEL = "QS_WORK_PROFILE_LABEL";
+            public static final String QS_WORK_PROFILE_LABEL = PREFIX + "QS_WORK_PROFILE_LABEL";
 
             /**
              * Disclosure at the bottom of Quick Settings to indicate device management.
              */
-            public static final String QS_MSG_MANAGEMENT = "QS_MSG_MANAGEMENT";
+            public static final String QS_MSG_MANAGEMENT = PREFIX + "QS_MSG_MANAGEMENT";
 
             /**
              * Similar to {@link #QS_MSG_MANAGEMENT} but accepts the organization name as a
              * param.
              */
-            public static final String QS_MSG_NAMED_MANAGEMENT = "QS_MSG_NAMED_MANAGEMENT";
+            public static final String QS_MSG_NAMED_MANAGEMENT = PREFIX + "QS_MSG_NAMED_MANAGEMENT";
 
             /**
              * Disclosure at the bottom of Quick Settings to indicate device management monitoring.
              */
             public static final String QS_MSG_MANAGEMENT_MONITORING =
-                    "QS_MSG_MANAGEMENT_MONITORING";
+                    PREFIX + "QS_MSG_MANAGEMENT_MONITORING";
 
             /**
              * Similar to {@link #QS_MSG_MANAGEMENT_MONITORING} but accepts the
              * organization name as a param.
              */
             public static final String QS_MSG_NAMED_MANAGEMENT_MONITORING =
-                    "QS_MSG_NAMED_MANAGEMENT_MONITORING";
+                    PREFIX + "QS_MSG_NAMED_MANAGEMENT_MONITORING";
 
             /**
              * Disclosure at the bottom of Quick Settings to indicate device management and the
              * device is connected to a VPN, accepts VPN name as a param.
              */
             public static final String QS_MSG_MANAGEMENT_NAMED_VPN =
-                    "QS_MSG_MANAGEMENT_NAMED_VPN";
+                    PREFIX + "QS_MSG_MANAGEMENT_NAMED_VPN";
 
             /**
              * Similar to {@link #QS_MSG_MANAGEMENT_NAMED_VPN} but also accepts the
              * organization name as a param.
              */
             public static final String QS_MSG_NAMED_MANAGEMENT_NAMED_VPN =
-                    "QS_MSG_NAMED_MANAGEMENT_NAMED_VPN";
+                    PREFIX + "QS_MSG_NAMED_MANAGEMENT_NAMED_VPN";
 
             /**
              * Disclosure at the bottom of Quick Settings to indicate device management and the
              * device is connected to multiple VPNs.
              */
             public static final String QS_MSG_MANAGEMENT_MULTIPLE_VPNS =
-                    "QS_MSG_MANAGEMENT_MULTIPLE_VPNS";
+                    PREFIX + "QS_MSG_MANAGEMENT_MULTIPLE_VPNS";
 
             /**
              * Similar to {@link #QS_MSG_MANAGEMENT_MULTIPLE_VPNS} but also accepts the
              * organization name as a param.
              */
             public static final String QS_MSG_NAMED_MANAGEMENT_MULTIPLE_VPNS =
-                    "QS_MSG_NAMED_MANAGEMENT_MULTIPLE_VPNS";
+                    PREFIX + "QS_MSG_NAMED_MANAGEMENT_MULTIPLE_VPNS";
 
             /**
              * Disclosure at the bottom of Quick Settings to indicate work profile monitoring.
              */
             public static final String QS_MSG_WORK_PROFILE_MONITORING =
-                    "QS_MSG_WORK_PROFILE_MONITORING";
+                    PREFIX + "QS_MSG_WORK_PROFILE_MONITORING";
 
             /**
              * Similar to {@link #QS_MSG_WORK_PROFILE_MONITORING} but accepts the
              * organization name as a param.
              */
             public static final String QS_MSG_NAMED_WORK_PROFILE_MONITORING =
-                    "QS_MSG_NAMED_WORK_PROFILE_MONITORING";
+                    PREFIX + "QS_MSG_NAMED_WORK_PROFILE_MONITORING";
 
             /**
             * Disclosure at the bottom of Quick Settings to indicate network activity is visible to
              * admin.
             */
-            public static final String QS_MSG_WORK_PROFILE_NETWORK = "QS_MSG_WORK_PROFILE_NETWORK";
+            public static final String QS_MSG_WORK_PROFILE_NETWORK =
+                    PREFIX + "QS_MSG_WORK_PROFILE_NETWORK";
 
             /**
              * Disclosure at the bottom of Quick Settings to indicate work profile is connected to a
              * VPN, accepts VPN name as a param.
              */
             public static final String QS_MSG_WORK_PROFILE_NAMED_VPN =
-                    "QS_MSG_WORK_PROFILE_NAMED_VPN";
+                    PREFIX + "QS_MSG_WORK_PROFILE_NAMED_VPN";
 
             /**
              * Disclosure at the bottom of Quick Settings to indicate personal profile is connected
              * to a VPN, accepts VPN name as a param.
              */
             public static final String QS_MSG_PERSONAL_PROFILE_NAMED_VPN =
-                    "QS_MSG_PERSONAL_PROFILE_NAMED_VPN";
+                    PREFIX + "QS_MSG_PERSONAL_PROFILE_NAMED_VPN";
 
             /**
              * Title for dialog to indicate device management.
              */
-            public static final String QS_DIALOG_MANAGEMENT_TITLE = "QS_DIALOG_MANAGEMENT_TITLE";
+            public static final String QS_DIALOG_MANAGEMENT_TITLE =
+                    PREFIX + "QS_DIALOG_MANAGEMENT_TITLE";
 
             /**
              * Label for button in the device management dialog to open a page with more information
              * on the admin's abilities.
              */
-            public static final String QS_DIALOG_VIEW_POLICIES = "QS_DIALOG_VIEW_POLICIES";
+            public static final String QS_DIALOG_VIEW_POLICIES =
+                    PREFIX + "QS_DIALOG_VIEW_POLICIES";
 
             /**
              * Description for device management dialog to indicate admin abilities.
              */
-            public static final String QS_DIALOG_MANAGEMENT = "QS_DIALOG_MANAGEMENT";
+            public static final String QS_DIALOG_MANAGEMENT = PREFIX + "QS_DIALOG_MANAGEMENT";
 
             /**
              * Similar to {@link #QS_DIALOG_MANAGEMENT} but accepts the organization name as a
              * param.
              */
-            public static final String QS_DIALOG_NAMED_MANAGEMENT = "QS_DIALOG_NAMED_MANAGEMENT";
+            public static final String QS_DIALOG_NAMED_MANAGEMENT =
+                    PREFIX + "QS_DIALOG_NAMED_MANAGEMENT";
 
             /**
              * Description for the managed device certificate authorities in the device management
              * dialog.
              */
             public static final String QS_DIALOG_MANAGEMENT_CA_CERT =
-                    "QS_DIALOG_MANAGEMENT_CA_CERT";
+                    PREFIX + "QS_DIALOG_MANAGEMENT_CA_CERT";
 
             /**
              * Description for the work profile certificate authorities in the device management
              * dialog.
              */
             public static final String QS_DIALOG_WORK_PROFILE_CA_CERT =
-                    "QS_DIALOG_WORK_PROFILE_CA_CERT";
+                    PREFIX + "QS_DIALOG_WORK_PROFILE_CA_CERT";
 
             /**
              * Description for the managed device network logging in the device management dialog.
              */
             public static final String QS_DIALOG_MANAGEMENT_NETWORK =
-                    "QS_DIALOG_MANAGEMENT_NETWORK";
+                    PREFIX + "QS_DIALOG_MANAGEMENT_NETWORK";
 
             /**
              * Description for the work profile network logging in the device management dialog.
              */
             public static final String QS_DIALOG_WORK_PROFILE_NETWORK =
-                    "QS_DIALOG_WORK_PROFILE_NETWORK";
+                    PREFIX + "QS_DIALOG_WORK_PROFILE_NETWORK";
 
             /**
              * Description for an active VPN in the device management dialog, accepts VPN name as a
              * param.
              */
             public static final String QS_DIALOG_MANAGEMENT_NAMED_VPN =
-                    "QS_DIALOG_MANAGEMENT_NAMED_VPN";
+                    PREFIX + "QS_DIALOG_MANAGEMENT_NAMED_VPN";
 
             /**
              * Description for two active VPN in the device management dialog, accepts two VPN names
              * as params.
              */
             public static final String QS_DIALOG_MANAGEMENT_TWO_NAMED_VPN =
-                    "QS_DIALOG_MANAGEMENT_TWO_NAMED_VPN";
+                    PREFIX + "QS_DIALOG_MANAGEMENT_TWO_NAMED_VPN";
 
             /**
              * Description for an active work profile VPN in the device management dialog, accepts
              * VPN name as a param.
              */
             public static final String QS_DIALOG_WORK_PROFILE_NAMED_VPN =
-                    "QS_DIALOG_WORK_PROFILE_NAMED_VPN";
+                    PREFIX + "QS_DIALOG_WORK_PROFILE_NAMED_VPN";
 
             /**
              * Description for an active personal profile VPN in the device management dialog,
              * accepts VPN name as a param.
              */
             public static final String QS_DIALOG_PERSONAL_PROFILE_NAMED_VPN =
-                    "QS_DIALOG_PERSONAL_PROFILE_NAMED_VPN";
+                    PREFIX + "QS_DIALOG_PERSONAL_PROFILE_NAMED_VPN";
 
             /**
              * Content of a dialog shown when the user only has one attempt left to provide the
              * correct pin before the work profile is removed.
              */
             public static final String BIOMETRIC_DIALOG_WORK_PIN_LAST_ATTEMPT =
-                    "BIOMETRIC_DIALOG_WORK_PIN_LAST_ATTEMPT";
+                    PREFIX + "BIOMETRIC_DIALOG_WORK_PIN_LAST_ATTEMPT";
 
             /**
              * Content of a dialog shown when the user only has one attempt left to provide the
              * correct pattern before the work profile is removed.
              */
             public static final String BIOMETRIC_DIALOG_WORK_PATTERN_LAST_ATTEMPT =
-                    "BIOMETRIC_DIALOG_WORK_PATTERN_LAST_ATTEMPT";
+                    PREFIX + "BIOMETRIC_DIALOG_WORK_PATTERN_LAST_ATTEMPT";
 
             /**
              * Content of a dialog shown when the user only has one attempt left to provide the
              * correct password before the work profile is removed.
              */
             public static final String BIOMETRIC_DIALOG_WORK_PASSWORD_LAST_ATTEMPT =
-                    "BIOMETRIC_DIALOG_WORK_PASSWORD_LAST_ATTEMPT";
+                    PREFIX + "BIOMETRIC_DIALOG_WORK_PASSWORD_LAST_ATTEMPT";
 
             /**
              * Content of a dialog shown when the user has failed to provide the work lock too many
              * times and the work profile is removed.
              */
             public static final String BIOMETRIC_DIALOG_WORK_LOCK_FAILED_ATTEMPTS =
-                    "BIOMETRIC_DIALOG_WORK_LOCK_FAILED_ATTEMPTS";
+                    PREFIX + "BIOMETRIC_DIALOG_WORK_LOCK_FAILED_ATTEMPTS";
 
             /**
              * Accessibility label for managed profile icon in the status bar
              */
             public static final String STATUS_BAR_WORK_ICON_ACCESSIBILITY =
-                    "STATUS_BAR_WORK_ICON_ACCESSIBILITY";
+                    PREFIX + "STATUS_BAR_WORK_ICON_ACCESSIBILITY";
 
             /**
              * Text appended to privacy dialog, indicating that the application is in the work
              * profile.
              */
             public static final String ONGOING_PRIVACY_DIALOG_WORK =
-                    "ONGOING_PRIVACY_DIALOG_WORK";
+                    PREFIX + "ONGOING_PRIVACY_DIALOG_WORK";
 
             /**
              * Text on keyguard screen indicating device management.
              */
             public static final String KEYGUARD_MANAGEMENT_DISCLOSURE =
-                    "KEYGUARD_MANAGEMENT_DISCLOSURE";
+                    PREFIX + "KEYGUARD_MANAGEMENT_DISCLOSURE";
 
             /**
              * Similar to {@link #KEYGUARD_MANAGEMENT_DISCLOSURE} but also accepts organization name
              * as a param.
              */
             public static final String KEYGUARD_NAMED_MANAGEMENT_DISCLOSURE =
-                    "KEYGUARD_NAMED_MANAGEMENT_DISCLOSURE";
+                    PREFIX + "KEYGUARD_NAMED_MANAGEMENT_DISCLOSURE";
 
             /**
              * Content description for the work profile lock screen.
              */
-            public static final String WORK_LOCK_ACCESSIBILITY = "WORK_LOCK_ACCESSIBILITY";
+            public static final String WORK_LOCK_ACCESSIBILITY = PREFIX + "WORK_LOCK_ACCESSIBILITY";
 
             /**
              * @hide
@@ -739,5 +850,568 @@
                 return strings;
             }
         }
+
+        /**
+         * Class containing the identifiers used to update device management-related system strings
+         * in the android core package.
+         *
+         * @hide
+         */
+        public static final class Core {
+
+            private Core() {
+            }
+
+            private static final String PREFIX = "Core.";
+            /**
+             * Notification title when the system deletes the work profile.
+             */
+            public static final String WORK_PROFILE_DELETED_TITLE =
+                    PREFIX + "WORK_PROFILE_DELETED_TITLE";
+
+            /**
+             * Content text for the "Work profile deleted" notification to indicates that a work
+             * profile has been deleted because the maximum failed password attempts as been
+             * reached.
+             */
+            public static final String WORK_PROFILE_DELETED_FAILED_PASSWORD_ATTEMPTS_MESSAGE =
+                    PREFIX + "WORK_PROFILE_DELETED_FAILED_PASSWORD_ATTEMPTS_MESSAGE";
+
+            /**
+             * Content text for the "Work profile deleted" notification to indicate that a work
+             * profile has been deleted.
+             */
+            public static final String WORK_PROFILE_DELETED_GENERIC_MESSAGE =
+                    PREFIX + "WORK_PROFILE_DELETED_GENERIC_MESSAGE";
+
+            /**
+             * Content text for the "Work profile deleted" notification to indicates that a work
+             * profile has been deleted because the admin of an organization-owned device has
+             * relinquishes it.
+             */
+            public static final String WORK_PROFILE_DELETED_ORG_OWNED_MESSAGE =
+                    PREFIX + "WORK_PROFILE_DELETED_ORG_OWNED_MESSAGE";
+
+            /**
+             * Notification title for when personal apps are either blocked or will be blocked
+             * soon due to a work policy from their admin.
+             */
+            public static final String PERSONAL_APP_SUSPENSION_TITLE =
+                    PREFIX + "PERSONAL_APP_SUSPENSION_TITLE";
+
+            /**
+             * Content text for the personal app suspension notification to indicate that personal
+             * apps are blocked due to a work policy from the admin.
+             */
+            public static final String PERSONAL_APP_SUSPENSION_MESSAGE =
+                    PREFIX + "PERSONAL_APP_SUSPENSION_MESSAGE";
+
+            /**
+             * Content text for the personal app suspension notification to indicate that personal
+             * apps will be blocked at a particular time due to a work policy from their admin.
+             * It also explains for how many days the profile is allowed to be off.
+             * <ul>Takes in the following as params:
+             * <li> The date that the personal apps will get suspended at</li>
+             * <li> The time that the personal apps will get suspended at</li>
+             * <li> The max allowed days for the work profile stay switched off</li>
+             * </ul>
+             */
+            public static final String PERSONAL_APP_SUSPENSION_SOON_MESSAGE =
+                    PREFIX + "PERSONAL_APP_SUSPENSION_SOON_MESSAGE";
+
+            /**
+             * Title for the button that turns work profile in the personal app suspension
+             * notification.
+             */
+            public static final String PERSONAL_APP_SUSPENSION_TURN_ON_PROFILE =
+                    PREFIX + "PERSONAL_APP_SUSPENSION_TURN_ON_PROFILE";
+
+            /**
+             * A toast message displayed when printing is attempted but disabled by policy, accepts
+             * admin name as a param.
+             */
+            public static final String PRINTING_DISABLED_NAMED_ADMIN =
+                    PREFIX + "PRINTING_DISABLED_NAMED_ADMIN";
+
+            /**
+             * Notification title to indicate that the device owner has changed the location
+             * settings.
+             */
+            public static final String LOCATION_CHANGED_TITLE = PREFIX + "LOCATION_CHANGED_TITLE";
+
+            /**
+             * Content text for the location changed notification to indicate that the device owner
+             * has changed the location settings.
+             */
+            public static final String LOCATION_CHANGED_MESSAGE =
+                    PREFIX + "LOCATION_CHANGED_MESSAGE";
+
+            /**
+             * Notification title to indicate that the device is managed and network logging was
+             * activated by a device owner.
+             */
+            public static final String NETWORK_LOGGING_TITLE = PREFIX + "NETWORK_LOGGING_TITLE";
+
+            /**
+             * Content text for the network logging notification to indicate that the device is
+             * managed and network logging was activated by a device owner.
+             */
+            public static final String NETWORK_LOGGING_MESSAGE = PREFIX + "NETWORK_LOGGING_MESSAGE";
+
+            /**
+             * Content description of the work profile icon in the notifications.
+             */
+            public static final String NOTIFICATION_WORK_PROFILE_CONTENT_DESCRIPTION =
+                    PREFIX + "NOTIFICATION_WORK_PROFILE_CONTENT_DESCRIPTION";
+
+            /**
+             * Notification channel name for high-priority alerts from the user's IT admin for key
+             * updates about the device.
+             */
+            public static final String NOTIFICATION_CHANNEL_DEVICE_ADMIN =
+                    PREFIX + "NOTIFICATION_CHANNEL_DEVICE_ADMIN";
+
+            /**
+             * Label returned from
+             * {@link android.content.pm.CrossProfileApps#getProfileSwitchingLabel(UserHandle)}
+             * that calling app can show to user for the semantic of switching to work profile.
+             */
+            public static final String SWITCH_TO_WORK_LABEL = PREFIX + "SWITCH_TO_WORK_LABEL";
+
+            /**
+             * Label returned from
+             * {@link android.content.pm.CrossProfileApps#getProfileSwitchingLabel(UserHandle)}
+             * that calling app can show to user for the semantic of switching to personal profile.
+             */
+            public static final String SWITCH_TO_PERSONAL_LABEL =
+                    PREFIX + "SWITCH_TO_PERSONAL_LABEL";
+
+            /**
+             * Message to show when an intent automatically switches users into the work profile.
+             */
+            public static final String FORWARD_INTENT_TO_WORK = PREFIX + "FORWARD_INTENT_TO_WORK";
+
+            /**
+             * Message to show when an intent automatically switches users into the personal
+             * profile.
+             */
+            public static final String FORWARD_INTENT_TO_PERSONAL =
+                    PREFIX + "FORWARD_INTENT_TO_PERSONAL";
+
+            /**
+             * Text for the toast that is shown when the user clicks on a launcher that doesn't
+             * support the work profile, takes in the launcher name as a param.
+             */
+            public static final String RESOLVER_WORK_PROFILE_NOT_SUPPORTED =
+                    PREFIX + "RESOLVER_WORK_PROFILE_NOT_SUPPORTED";
+
+            /**
+             * Label for the personal tab in the {@link com.android.internal.app.ResolverActivity).
+             */
+            public static final String RESOLVER_PERSONAL_TAB = PREFIX + "RESOLVER_PERSONAL_TAB";
+
+            /**
+             * Label for the work tab in the {@link com.android.internal.app.ResolverActivity).
+             */
+            public static final String RESOLVER_WORK_TAB = PREFIX + "RESOLVER_WORK_TAB";
+
+            /**
+             * Accessibility Label for the personal tab in the
+             * {@link com.android.internal.app.ResolverActivity).
+             */
+            public static final String RESOLVER_PERSONAL_TAB_ACCESSIBILITY =
+                    PREFIX + "RESOLVER_PERSONAL_TAB_ACCESSIBILITY";
+
+            /**
+             * Accessibility Label for the work tab in the
+             * {@link com.android.internal.app.ResolverActivity).
+             */
+            public static final String RESOLVER_WORK_TAB_ACCESSIBILITY =
+                    PREFIX + "RESOLVER_WORK_TAB_ACCESSIBILITY";
+
+            /**
+             * Title for resolver screen to let the user know that their IT admin doesn't allow
+             * them to share this content across profiles.
+             */
+            public static final String RESOLVER_CROSS_PROFILE_BLOCKED_TITLE =
+                    PREFIX + "RESOLVER_CROSS_PROFILE_BLOCKED_TITLE";
+
+            /**
+             * Description for resolver screen to let the user know that their IT admin doesn't
+             * allow them to share this content with apps in their personal profile.
+             */
+            public static final String RESOLVER_CANT_SHARE_WITH_PERSONAL =
+                    PREFIX + "RESOLVER_CANT_SHARE_WITH_PERSONAL";
+
+            /**
+             * Description for resolver screen to let the user know that their IT admin doesn't
+             * allow them to share this content with apps in their work profile.
+             */
+            public static final String RESOLVER_CANT_SHARE_WITH_WORK =
+                    PREFIX + "RESOLVER_CANT_SHARE_WITH_WORK";
+
+            /**
+             * Description for resolver screen to let the user know that their IT admin doesn't
+             * allow them to open this specific content with an app in their personal profile.
+             */
+            public static final String RESOLVER_CANT_ACCESS_PERSONAL =
+                    PREFIX + "RESOLVER_CANT_ACCESS_PERSONAL";
+
+            /**
+             * Description for resolver screen to let the user know that their IT admin doesn't
+             * allow them to open this specific content with an app in their work profile.
+             */
+            public static final String RESOLVER_CANT_ACCESS_WORK =
+                    PREFIX + "RESOLVER_CANT_ACCESS_WORK";
+
+            /**
+             * Title for resolver screen to let the user know that they need to turn on work apps
+             * in order to share or open content
+             */
+            public static final String RESOLVER_WORK_PAUSED_TITLE =
+                    PREFIX + "RESOLVER_WORK_PAUSED_TITLE";
+
+            /**
+             * Text on resolver screen to let the user know that their current work apps don't
+             * support the specific content.
+             */
+            public static final String RESOLVER_NO_WORK_APPS = PREFIX + "RESOLVER_NO_WORK_APPS";
+
+            /**
+             * Text on resolver screen to let the user know that their current personal apps don't
+             * support the specific content.
+             */
+            public static final String RESOLVER_NO_PERSONAL_APPS =
+                    PREFIX + "RESOLVER_NO_PERSONAL_APPS";
+
+            /**
+             * Message informing user that the adding the account is disallowed by an administrator.
+             */
+            public static final String CANT_ADD_ACCOUNT_MESSAGE =
+                    PREFIX + "CANT_ADD_ACCOUNT_MESSAGE";
+
+            /**
+             * Notification shown when device owner silently installs a package.
+             */
+            public static final String PACKAGE_INSTALLED_BY_DO = PREFIX + "PACKAGE_INSTALLED_BY_DO";
+
+            /**
+             * Notification shown when device owner silently updates a package.
+             */
+            public static final String PACKAGE_UPDATED_BY_DO = PREFIX + "PACKAGE_UPDATED_BY_DO";
+
+            /**
+             * Notification shown when device owner silently deleted a package.
+             */
+            public static final String PACKAGE_DELETED_BY_DO = PREFIX + "PACKAGE_DELETED_BY_DO";
+
+            /**
+             * Title for dialog shown when user tries to open a work app when the work profile is
+             * turned off, confirming that the user wants to turn on access to their
+             * work apps.
+             */
+            public static final String UNLAUNCHABLE_APP_WORK_PAUSED_TITLE =
+                    PREFIX + "UNLAUNCHABLE_APP_WORK_PAUSED_TITLE";
+
+            /**
+             * Text for dialog shown when user tries to open a work app when the work profile is
+             * turned off, confirming that the user wants to turn on access to their
+             * work apps.
+             */
+            public static final String UNLAUNCHABLE_APP_WORK_PAUSED_MESSAGE =
+                    PREFIX + "UNLAUNCHABLE_APP_WORK_PAUSED_MESSAGE";
+
+            /**
+             * Notification title shown when work profile is credential encrypted and requires
+             * the user to unlock before it's usable.
+             */
+            public static final String PROFILE_ENCRYPTED_TITLE = PREFIX + "PROFILE_ENCRYPTED_TITLE";
+
+            /**
+             * Notification detail shown when work profile is credential encrypted and requires
+             * the user to unlock before it's usable.
+             */
+            public static final String PROFILE_ENCRYPTED_DETAIL =
+                    PREFIX + "PROFILE_ENCRYPTED_DETAIL";
+
+            /**
+             * Notification message shown when work profile is credential encrypted and requires
+             * the user to unlock before it's usable.
+             */
+            public static final String PROFILE_ENCRYPTED_MESSAGE =
+                    PREFIX + "PROFILE_ENCRYPTED_MESSAGE";
+
+            /**
+             * Used to badge a string with "Work" for work profile content, e.g. "Work Email".
+             * Accepts the string to badge as an argument.
+             * <p>See {@link android.content.pm.PackageManager#getUserBadgedLabel}</p>
+             */
+            public static final String WORK_PROFILE_BADGED_LABEL =
+                    PREFIX + "WORK_PROFILE_BADGED_LABEL";
+
+            /**
+             * @hide
+             */
+            static Set<String> buildStringsSet() {
+                Set<String> strings = new HashSet<>();
+                strings.add(WORK_PROFILE_DELETED_TITLE);
+                strings.add(WORK_PROFILE_DELETED_FAILED_PASSWORD_ATTEMPTS_MESSAGE);
+                strings.add(WORK_PROFILE_DELETED_GENERIC_MESSAGE);
+                strings.add(WORK_PROFILE_DELETED_ORG_OWNED_MESSAGE);
+                strings.add(PERSONAL_APP_SUSPENSION_TITLE);
+                strings.add(PERSONAL_APP_SUSPENSION_MESSAGE);
+                strings.add(PERSONAL_APP_SUSPENSION_SOON_MESSAGE);
+                strings.add(PERSONAL_APP_SUSPENSION_TURN_ON_PROFILE);
+                strings.add(PRINTING_DISABLED_NAMED_ADMIN);
+                strings.add(LOCATION_CHANGED_TITLE);
+                strings.add(LOCATION_CHANGED_MESSAGE);
+                strings.add(NETWORK_LOGGING_TITLE);
+                strings.add(NETWORK_LOGGING_MESSAGE);
+                strings.add(NOTIFICATION_WORK_PROFILE_CONTENT_DESCRIPTION);
+                strings.add(NOTIFICATION_CHANNEL_DEVICE_ADMIN);
+                strings.add(SWITCH_TO_WORK_LABEL);
+                strings.add(SWITCH_TO_PERSONAL_LABEL);
+                strings.add(FORWARD_INTENT_TO_WORK);
+                strings.add(FORWARD_INTENT_TO_PERSONAL);
+                strings.add(RESOLVER_WORK_PROFILE_NOT_SUPPORTED);
+                strings.add(RESOLVER_PERSONAL_TAB);
+                strings.add(RESOLVER_WORK_TAB);
+                strings.add(RESOLVER_PERSONAL_TAB_ACCESSIBILITY);
+                strings.add(RESOLVER_WORK_TAB_ACCESSIBILITY);
+                strings.add(RESOLVER_CROSS_PROFILE_BLOCKED_TITLE);
+                strings.add(RESOLVER_CANT_SHARE_WITH_PERSONAL);
+                strings.add(RESOLVER_CANT_SHARE_WITH_WORK);
+                strings.add(RESOLVER_CANT_ACCESS_PERSONAL);
+                strings.add(RESOLVER_CANT_ACCESS_WORK);
+                strings.add(RESOLVER_WORK_PAUSED_TITLE);
+                strings.add(RESOLVER_NO_WORK_APPS);
+                strings.add(RESOLVER_NO_PERSONAL_APPS);
+                strings.add(CANT_ADD_ACCOUNT_MESSAGE);
+                strings.add(PACKAGE_INSTALLED_BY_DO);
+                strings.add(PACKAGE_UPDATED_BY_DO);
+                strings.add(PACKAGE_DELETED_BY_DO);
+                strings.add(UNLAUNCHABLE_APP_WORK_PAUSED_TITLE);
+                strings.add(UNLAUNCHABLE_APP_WORK_PAUSED_MESSAGE);
+                strings.add(PROFILE_ENCRYPTED_TITLE);
+                strings.add(PROFILE_ENCRYPTED_DETAIL);
+                strings.add(PROFILE_ENCRYPTED_MESSAGE);
+                strings.add(WORK_PROFILE_BADGED_LABEL);
+                return strings;
+            }
+        }
+
+        /**
+         * Class containing the identifiers used to update device management-related system strings
+         * in the DocumentsUi package.
+         */
+        public static final class DocumentsUi {
+
+            private DocumentsUi() {
+            }
+
+            private static final String PREFIX = "DocumentsUi.";
+
+            /**
+             * Title for error message shown when work profile is turned off.
+             */
+            public static final String WORK_PROFILE_OFF_ERROR_TITLE =
+                    PREFIX + "WORK_PROFILE_OFF_ERROR_TITLE";
+
+            /**
+             * Button text shown when work profile is turned off.
+             */
+            public static final String WORK_PROFILE_OFF_ENABLE_BUTTON =
+                    PREFIX + "WORK_PROFILE_OFF_ENABLE_BUTTON";
+
+            /**
+             * Title for error message shown when a user's IT admin does not allow the user to
+             * select work files from a personal app.
+             */
+            public static final String CANT_SELECT_WORK_FILES_TITLE =
+                    PREFIX + "CANT_SELECT_WORK_FILES_TITLE";
+
+            /**
+             * Message shown when a user's IT admin does not allow the user to select work files
+             * from a personal app.
+             */
+            public static final String CANT_SELECT_WORK_FILES_MESSAGE =
+                    PREFIX + "CANT_SELECT_WORK_FILES_MESSAGE";
+
+            /**
+             * Title for error message shown when a user's IT admin does not allow the user to
+             * select personal files from a work app.
+             */
+            public static final String CANT_SELECT_PERSONAL_FILES_TITLE =
+                    PREFIX + "CANT_SELECT_PERSONAL_FILES_TITLE";
+
+            /**
+             * Message shown when a user's IT admin does not allow the user to select personal files
+             * from a work app.
+             */
+            public static final String CANT_SELECT_PERSONAL_FILES_MESSAGE =
+                    PREFIX + "CANT_SELECT_PERSONAL_FILES_MESSAGE";
+
+            /**
+             * Title for error message shown when a user's IT admin does not allow the user to save
+             * files from their personal profile to their work profile.
+             */
+            public static final String CANT_SAVE_TO_WORK_TITLE =
+                    PREFIX + "CANT_SAVE_TO_WORK_TITLE";
+
+            /**
+             * Message shown when a user's IT admin does not allow the user to save files from their
+             * personal profile to their work profile.
+             */
+            public static final String CANT_SAVE_TO_WORK_MESSAGE =
+                    PREFIX + "CANT_SAVE_TO_WORK_MESSAGE";
+
+            /**
+             * Title for error message shown when a user's IT admin does not allow the user to save
+             * files from their work profile to their personal profile.
+             */
+            public static final String CANT_SAVE_TO_PERSONAL_TITLE =
+                    PREFIX + "CANT_SAVE_TO_PERSONAL_TITLE";
+
+            /**
+             * Message shown when a user's IT admin does not allow the user to save files from their
+             * work profile to their personal profile.
+             */
+            public static final String CANT_SAVE_TO_PERSONAL_MESSAGE =
+                    PREFIX + "CANT_SAVE_TO_PERSONAL_MESSAGE";
+
+            /**
+             * Title for error message shown when a user tries to do something on their work
+             * device, but that action isn't allowed by their IT admin.
+             */
+            public static final String CROSS_PROFILE_NOT_ALLOWED_TITLE =
+                    PREFIX + "CROSS_PROFILE_NOT_ALLOWED_TITLE";
+
+            /**
+             * Message shown when a user tries to do something on their work device, but that action
+             * isn't allowed by their IT admin.
+             */
+            public static final String CROSS_PROFILE_NOT_ALLOWED_MESSAGE =
+                    PREFIX + "CROSS_PROFILE_NOT_ALLOWED_MESSAGE";
+
+            /**
+             * Content description text that's spoken by a screen reader for previewing a work file
+             * before opening it. Accepts file name as a param.
+             */
+            public static final String PREVIEW_WORK_FILE_ACCESSIBILITY =
+                    PREFIX + "PREVIEW_WORK_FILE_ACCESSIBILITY";
+
+            /**
+             * Label for tab and sidebar to indicate personal content.
+             */
+            public static final String PERSONAL_TAB = PREFIX + "PERSONAL_TAB";
+
+            /**
+             * Label for tab and sidebar tab to indicate work content
+             */
+            public static final String WORK_TAB = PREFIX + "WORK_TAB";
+
+            /**
+             * Accessibility label to indicate the subject(e.g. file/folder) is from work profile.
+             */
+            public static final String WORK_ACCESSIBILITY = PREFIX + "WORK_ACCESSIBILITY";
+
+            /**
+             * @hide
+             */
+            static Set<String> buildStringsSet() {
+                Set<String> strings = new HashSet<>();
+                strings.add(WORK_PROFILE_OFF_ERROR_TITLE);
+                strings.add(WORK_PROFILE_OFF_ENABLE_BUTTON);
+                strings.add(CANT_SELECT_WORK_FILES_TITLE);
+                strings.add(CANT_SELECT_WORK_FILES_MESSAGE);
+                strings.add(CANT_SELECT_PERSONAL_FILES_TITLE);
+                strings.add(CANT_SELECT_PERSONAL_FILES_MESSAGE);
+                strings.add(CANT_SAVE_TO_WORK_TITLE);
+                strings.add(CANT_SAVE_TO_WORK_MESSAGE);
+                strings.add(CANT_SAVE_TO_PERSONAL_TITLE);
+                strings.add(CANT_SAVE_TO_PERSONAL_MESSAGE);
+                strings.add(CROSS_PROFILE_NOT_ALLOWED_TITLE);
+                strings.add(CROSS_PROFILE_NOT_ALLOWED_MESSAGE);
+                strings.add(PREVIEW_WORK_FILE_ACCESSIBILITY);
+                strings.add(PERSONAL_TAB);
+                strings.add(WORK_TAB);
+                strings.add(WORK_ACCESSIBILITY);
+                return strings;
+            }
+        }
+
+        /**
+         * Class containing the identifiers used to update device management-related system strings
+         * in the MediaProvider module.
+         */
+        public static final class MediaProvider {
+
+            private MediaProvider() {
+            }
+
+            private static final String PREFIX = "MediaProvider.";
+
+            /**
+             * The text shown to switch to the work profile in PhotoPicker.
+             */
+            public static final String SWITCH_TO_WORK_MESSAGE =
+                    PREFIX + "SWITCH_TO_WORK_MESSAGE";
+
+            /**
+             * The text shown to switch to the personal profile in PhotoPicker.
+             */
+            public static final String SWITCH_TO_PERSONAL_MESSAGE =
+                    PREFIX + "SWITCH_TO_PERSONAL_MESSAGE";
+
+            /**
+             * The title for error dialog in PhotoPicker when the admin blocks cross user
+             * interaction for the intent.
+             */
+            public static final String BLOCKED_BY_ADMIN_TITLE =
+                    PREFIX + "BLOCKED_BY_ADMIN_TITLE";
+
+            /**
+             * The message for error dialog in PhotoPicker when the admin blocks cross user
+             * interaction from the personal profile.
+             */
+            public static final String BLOCKED_FROM_PERSONAL_MESSAGE =
+                    PREFIX + "BLOCKED_FROM_PERSONAL_MESSAGE";
+
+            /**
+             * The message for error dialog in PhotoPicker when the admin blocks cross user
+             * interaction from the work profile.
+             */
+            public static final String BLOCKED_FROM_WORK_MESSAGE =
+                    PREFIX + "BLOCKED_FROM_WORK_MESSAGE";
+
+            /**
+             * The title of the error dialog in PhotoPicker when the user tries to switch to work
+             * content, but work profile is off.
+             */
+            public static final String WORK_PROFILE_PAUSED_TITLE =
+                    PREFIX + "WORK_PROFILE_PAUSED_TITLE";
+
+            /**
+             * The message of the error dialog in PhotoPicker when the user tries to switch to work
+             * content, but work profile is off.
+             */
+            public static final String WORK_PROFILE_PAUSED_MESSAGE =
+                    PREFIX + "WORK_PROFILE_PAUSED_MESSAGE";
+
+            /**
+             * @hide
+             */
+            static Set<String> buildStringsSet() {
+                Set<String> strings = new HashSet<>();
+                strings.add(SWITCH_TO_WORK_MESSAGE);
+                strings.add(SWITCH_TO_PERSONAL_MESSAGE);
+                strings.add(BLOCKED_BY_ADMIN_TITLE);
+                strings.add(BLOCKED_FROM_PERSONAL_MESSAGE);
+                strings.add(BLOCKED_FROM_WORK_MESSAGE);
+                strings.add(WORK_PROFILE_PAUSED_TITLE);
+                strings.add(WORK_PROFILE_PAUSED_MESSAGE);
+                return strings;
+            }
+        }
     }
 }
diff --git a/core/java/android/app/admin/IDevicePolicyManager.aidl b/core/java/android/app/admin/IDevicePolicyManager.aidl
index fae64d7..f663c17 100644
--- a/core/java/android/app/admin/IDevicePolicyManager.aidl
+++ b/core/java/android/app/admin/IDevicePolicyManager.aidl
@@ -533,6 +533,14 @@
     boolean isUsbDataSignalingEnabledForUser(int userId);
     boolean canUsbDataSignalingBeDisabled();
 
+    void setMinimumRequiredWifiSecurityLevel(int level);
+    int getMinimumRequiredWifiSecurityLevel();
+
+    void setSsidAllowlist(in List<String> ssids);
+    List<String> getSsidAllowlist();
+    void setSsidDenylist(in List<String> ssids);
+    List<String> getSsidDenylist();
+
     List<UserHandle> listForegroundAffiliatedUsers();
     void setDrawables(in List<DevicePolicyDrawableResource> drawables);
     void resetDrawables(in int[] drawableIds);
diff --git a/core/java/android/app/admin/WifiSsidPolicy.java b/core/java/android/app/admin/WifiSsidPolicy.java
new file mode 100644
index 0000000..3715017
--- /dev/null
+++ b/core/java/android/app/admin/WifiSsidPolicy.java
@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.admin;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.ArraySet;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.Set;
+
+/**
+ * Used to indicate the Wi-Fi SSID restriction policy the network must satisfy
+ * in order to be eligible for a connection.
+ *
+ * If the policy type is a denylist, the device may not connect to networks on the denylist.
+ * If the policy type is an allowlist, the device may only connect to networks on the allowlist.
+ * Admin configured networks are not exempt from this restriction.
+ * This policy only prohibits connecting to a restricted network and
+ * does not affect adding a restricted network.
+ * If the current network is present in the denylist or not present in the allowlist,
+ * it will be disconnected.
+ */
+public final class WifiSsidPolicy implements Parcelable {
+    /**
+     * SSID policy type indicator for {@link WifiSsidPolicy}.
+     *
+     * <p> When returned from {@link WifiSsidPolicy#getPolicyType()}, the constant
+     * indicates that the SSID policy type is an allowlist.
+     *
+     * @see #WIFI_SSID_POLICY_TYPE_DENYLIST
+     */
+    public static final int WIFI_SSID_POLICY_TYPE_ALLOWLIST = 0;
+
+    /**
+     * SSID policy type indicator for {@link WifiSsidPolicy}.
+     *
+     * <p> When returned from {@link WifiSsidPolicy#getPolicyType()}, the constant
+     * indicates that the SSID policy type is a denylist.
+     *
+     * @see #WIFI_SSID_POLICY_TYPE_ALLOWLIST
+     */
+    public static final int WIFI_SSID_POLICY_TYPE_DENYLIST = 1;
+
+    /**
+     * Possible SSID policy types
+     *
+     * @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(prefix = {"WIFI_SSID_POLICY_TYPE_"}, value = {
+            WIFI_SSID_POLICY_TYPE_ALLOWLIST,
+            WIFI_SSID_POLICY_TYPE_DENYLIST})
+    public @interface WifiSsidPolicyType {}
+
+    private @WifiSsidPolicyType int mPolicyType;
+    private ArraySet<String> mSsids;
+
+    private WifiSsidPolicy(@WifiSsidPolicyType int policyType, @NonNull Set<String> ssids) {
+        mPolicyType = policyType;
+        mSsids = new ArraySet<>(ssids);
+    }
+
+    private WifiSsidPolicy(Parcel in) {
+        mPolicyType = in.readInt();
+        mSsids = (ArraySet<String>) in.readArraySet(null);
+    }
+    /**
+     * Create the allowlist Wi-Fi SSID Policy.
+     *
+     * @param ssids allowlist of SSIDs in UTF-8 without double quotes format
+     * @throws IllegalArgumentException if the input ssids list is empty
+     */
+    @NonNull
+    public static WifiSsidPolicy createAllowlistPolicy(@NonNull Set<String> ssids) {
+        if (ssids.isEmpty()) {
+            throw new IllegalArgumentException("SSID list cannot be empty");
+        }
+        return new WifiSsidPolicy(WIFI_SSID_POLICY_TYPE_ALLOWLIST, ssids);
+    }
+
+    /**
+     * Create the denylist Wi-Fi SSID Policy.
+     *
+     * @param ssids denylist of SSIDs in UTF-8 without double quotes format
+     * @throws IllegalArgumentException if the input ssids list is empty
+     */
+    @NonNull
+    public static WifiSsidPolicy createDenylistPolicy(@NonNull Set<String> ssids) {
+        if (ssids.isEmpty()) {
+            throw new IllegalArgumentException("SSID list cannot be empty");
+        }
+        return new WifiSsidPolicy(WIFI_SSID_POLICY_TYPE_DENYLIST, ssids);
+    }
+
+    /**
+     * Returns the set of SSIDs in UTF-8 without double quotes format.
+     */
+    @NonNull
+    public Set<String> getSsids() {
+        return mSsids;
+    }
+
+    /**
+     * Returns the policy type.
+     */
+    public @WifiSsidPolicyType int getPolicyType() {
+        return mPolicyType;
+    }
+
+    /**
+     * @see Parcelable.Creator
+     */
+    @NonNull
+    public static final Creator<WifiSsidPolicy> CREATOR = new Creator<WifiSsidPolicy>() {
+        @Override
+        public WifiSsidPolicy createFromParcel(Parcel source) {
+            return new WifiSsidPolicy(source);
+        }
+
+        @Override
+        public WifiSsidPolicy[] newArray(int size) {
+            return new WifiSsidPolicy[size];
+        }
+    };
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeInt(mPolicyType);
+        dest.writeArraySet(mSsids);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+}
diff --git a/core/java/android/app/ambientcontext/AmbientContextEvent.aidl b/core/java/android/app/ambientcontext/AmbientContextEvent.aidl
new file mode 100644
index 0000000..0965b1a
--- /dev/null
+++ b/core/java/android/app/ambientcontext/AmbientContextEvent.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.ambientcontext;
+
+parcelable AmbientContextEvent;
diff --git a/core/java/android/app/ambientcontext/AmbientContextEvent.java b/core/java/android/app/ambientcontext/AmbientContextEvent.java
new file mode 100644
index 0000000..11e695ad
--- /dev/null
+++ b/core/java/android/app/ambientcontext/AmbientContextEvent.java
@@ -0,0 +1,492 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.ambientcontext;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.Parcelable;
+
+import com.android.internal.util.DataClass;
+import com.android.internal.util.Parcelling;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.time.Instant;
+
+
+/**
+ * Represents a detected ambient event. Each event has a type, start time, end time,
+ * plus some optional data.
+ *
+ * @hide
+ */
+@SystemApi
+@DataClass(
+        genBuilder = true,
+        genConstructor = false,
+        genHiddenConstDefs = true,
+        genParcelable = true,
+        genToString = true
+)
+public final class AmbientContextEvent implements Parcelable {
+    /**
+     * The integer indicating an unknown event was detected.
+     */
+    public static final int EVENT_UNKNOWN = 0;
+
+    /**
+     * The integer indicating a cough event was detected.
+     */
+    public static final int EVENT_COUGH = 1;
+
+    /**
+     * The integer indicating a snore event was detected.
+     */
+    public static final int EVENT_SNORE = 2;
+
+    /** @hide */
+    @IntDef(prefix = { "EVENT_" }, value = {
+            EVENT_UNKNOWN,
+            EVENT_COUGH,
+            EVENT_SNORE,
+    }) public @interface EventCode {}
+
+    /** The integer indicating an unknown level. */
+    public static final int LEVEL_UNKNOWN = 0;
+
+    /** The integer indicating a low level. */
+    public static final int LEVEL_LOW = 1;
+
+    /** The integer indicating a medium low level. */
+    public static final int LEVEL_MEDIUM_LOW = 2;
+
+    /** The integer indicating a medium Level. */
+    public static final int LEVEL_MEDIUM = 3;
+
+    /** The integer indicating a medium high level. */
+    public static final int LEVEL_MEDIUM_HIGH = 4;
+
+    /** The integer indicating a high level. */
+    public static final int LEVEL_HIGH = 5;
+
+    /** @hide */
+    @IntDef(prefix = {"LEVEL_"}, value = {
+            LEVEL_UNKNOWN,
+            LEVEL_LOW,
+            LEVEL_MEDIUM_LOW,
+            LEVEL_MEDIUM,
+            LEVEL_MEDIUM_HIGH,
+            LEVEL_HIGH
+    }) public @interface LevelValue {}
+
+    @EventCode private final int mEventType;
+    private static int defaultEventType() {
+        return EVENT_UNKNOWN;
+    }
+
+    /** Event start time */
+    @DataClass.ParcelWith(Parcelling.BuiltIn.ForInstant.class)
+    @NonNull private final Instant mStartTime;
+    @NonNull private static Instant defaultStartTime() {
+        return Instant.MIN;
+    }
+
+    /** Event end time */
+    @DataClass.ParcelWith(Parcelling.BuiltIn.ForInstant.class)
+    @NonNull private final Instant mEndTime;
+    @NonNull private static Instant defaultEndTime() {
+        return Instant.MAX;
+    }
+
+    /**
+     * Confidence level from LEVEL_LOW to LEVEL_HIGH, or LEVEL_NONE if not available.
+     * Apps can add post-processing filter using this value if needed.
+     */
+    @LevelValue private final int mConfidenceLevel;
+    private static int defaultConfidenceLevel() {
+        return LEVEL_UNKNOWN;
+    }
+
+    /**
+     * Density level from LEVEL_LOW to LEVEL_HIGH, or LEVEL_NONE if not available.
+     * Apps can add post-processing filter using this value if needed.
+     */
+    @LevelValue private final int mDensityLevel;
+    private static int defaultDensityLevel() {
+        return LEVEL_UNKNOWN;
+    }
+
+
+
+    // Code below generated by codegen v1.0.23.
+    //
+    // DO NOT MODIFY!
+    // CHECKSTYLE:OFF Generated code
+    //
+    // To regenerate run:
+    // $ codegen $ANDROID_BUILD_TOP/frameworks/base/core/java/android/app/ambientcontext/AmbientContextEvent.java
+    //
+    // To exclude the generated code from IntelliJ auto-formatting enable (one-time):
+    //   Settings > Editor > Code Style > Formatter Control
+    //@formatter:off
+
+
+    /** @hide */
+    @IntDef(prefix = "EVENT_", value = {
+        EVENT_UNKNOWN,
+        EVENT_COUGH,
+        EVENT_SNORE
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    @DataClass.Generated.Member
+    public @interface Event {}
+
+    /** @hide */
+    @DataClass.Generated.Member
+    public static String eventToString(@Event int value) {
+        switch (value) {
+            case EVENT_UNKNOWN:
+                    return "EVENT_UNKNOWN";
+            case EVENT_COUGH:
+                    return "EVENT_COUGH";
+            case EVENT_SNORE:
+                    return "EVENT_SNORE";
+            default: return Integer.toHexString(value);
+        }
+    }
+
+    /** @hide */
+    @IntDef(prefix = "LEVEL_", value = {
+        LEVEL_UNKNOWN,
+        LEVEL_LOW,
+        LEVEL_MEDIUM_LOW,
+        LEVEL_MEDIUM,
+        LEVEL_MEDIUM_HIGH,
+        LEVEL_HIGH
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    @DataClass.Generated.Member
+    public @interface Level {}
+
+    /** @hide */
+    @DataClass.Generated.Member
+    public static String levelToString(@Level int value) {
+        switch (value) {
+            case LEVEL_UNKNOWN:
+                    return "LEVEL_UNKNOWN";
+            case LEVEL_LOW:
+                    return "LEVEL_LOW";
+            case LEVEL_MEDIUM_LOW:
+                    return "LEVEL_MEDIUM_LOW";
+            case LEVEL_MEDIUM:
+                    return "LEVEL_MEDIUM";
+            case LEVEL_MEDIUM_HIGH:
+                    return "LEVEL_MEDIUM_HIGH";
+            case LEVEL_HIGH:
+                    return "LEVEL_HIGH";
+            default: return Integer.toHexString(value);
+        }
+    }
+
+    @DataClass.Generated.Member
+    /* package-private */ AmbientContextEvent(
+            @EventCode int eventType,
+            @NonNull Instant startTime,
+            @NonNull Instant endTime,
+            @LevelValue int confidenceLevel,
+            @LevelValue int densityLevel) {
+        this.mEventType = eventType;
+        com.android.internal.util.AnnotationValidations.validate(
+                EventCode.class, null, mEventType);
+        this.mStartTime = startTime;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mStartTime);
+        this.mEndTime = endTime;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mEndTime);
+        this.mConfidenceLevel = confidenceLevel;
+        com.android.internal.util.AnnotationValidations.validate(
+                LevelValue.class, null, mConfidenceLevel);
+        this.mDensityLevel = densityLevel;
+        com.android.internal.util.AnnotationValidations.validate(
+                LevelValue.class, null, mDensityLevel);
+
+        // onConstructed(); // You can define this method to get a callback
+    }
+
+    @DataClass.Generated.Member
+    public @EventCode int getEventType() {
+        return mEventType;
+    }
+
+    /**
+     * Event start time
+     */
+    @DataClass.Generated.Member
+    public @NonNull Instant getStartTime() {
+        return mStartTime;
+    }
+
+    /**
+     * Event end time
+     */
+    @DataClass.Generated.Member
+    public @NonNull Instant getEndTime() {
+        return mEndTime;
+    }
+
+    /**
+     * Confidence level from LEVEL_LOW to LEVEL_HIGH, or LEVEL_NONE if not available.
+     * Apps can add post-processing filter using this value if needed.
+     */
+    @DataClass.Generated.Member
+    public @LevelValue int getConfidenceLevel() {
+        return mConfidenceLevel;
+    }
+
+    /**
+     * Density level from LEVEL_LOW to LEVEL_HIGH, or LEVEL_NONE if not available.
+     * Apps can add post-processing filter using this value if needed.
+     */
+    @DataClass.Generated.Member
+    public @LevelValue int getDensityLevel() {
+        return mDensityLevel;
+    }
+
+    @Override
+    @DataClass.Generated.Member
+    public String toString() {
+        // You can override field toString logic by defining methods like:
+        // String fieldNameToString() { ... }
+
+        return "AmbientContextEvent { " +
+                "eventType = " + mEventType + ", " +
+                "startTime = " + mStartTime + ", " +
+                "endTime = " + mEndTime + ", " +
+                "confidenceLevel = " + mConfidenceLevel + ", " +
+                "densityLevel = " + mDensityLevel +
+        " }";
+    }
+
+    @DataClass.Generated.Member
+    static Parcelling<Instant> sParcellingForStartTime =
+            Parcelling.Cache.get(
+                    Parcelling.BuiltIn.ForInstant.class);
+    static {
+        if (sParcellingForStartTime == null) {
+            sParcellingForStartTime = Parcelling.Cache.put(
+                    new Parcelling.BuiltIn.ForInstant());
+        }
+    }
+
+    @DataClass.Generated.Member
+    static Parcelling<Instant> sParcellingForEndTime =
+            Parcelling.Cache.get(
+                    Parcelling.BuiltIn.ForInstant.class);
+    static {
+        if (sParcellingForEndTime == null) {
+            sParcellingForEndTime = Parcelling.Cache.put(
+                    new Parcelling.BuiltIn.ForInstant());
+        }
+    }
+
+    @Override
+    @DataClass.Generated.Member
+    public void writeToParcel(@NonNull android.os.Parcel dest, int flags) {
+        // You can override field parcelling by defining methods like:
+        // void parcelFieldName(Parcel dest, int flags) { ... }
+
+        dest.writeInt(mEventType);
+        sParcellingForStartTime.parcel(mStartTime, dest, flags);
+        sParcellingForEndTime.parcel(mEndTime, dest, flags);
+        dest.writeInt(mConfidenceLevel);
+        dest.writeInt(mDensityLevel);
+    }
+
+    @Override
+    @DataClass.Generated.Member
+    public int describeContents() { return 0; }
+
+    /** @hide */
+    @SuppressWarnings({"unchecked", "RedundantCast"})
+    @DataClass.Generated.Member
+    /* package-private */ AmbientContextEvent(@NonNull android.os.Parcel in) {
+        // You can override field unparcelling by defining methods like:
+        // static FieldType unparcelFieldName(Parcel in) { ... }
+
+        int eventType = in.readInt();
+        Instant startTime = sParcellingForStartTime.unparcel(in);
+        Instant endTime = sParcellingForEndTime.unparcel(in);
+        int confidenceLevel = in.readInt();
+        int densityLevel = in.readInt();
+
+        this.mEventType = eventType;
+        com.android.internal.util.AnnotationValidations.validate(
+                EventCode.class, null, mEventType);
+        this.mStartTime = startTime;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mStartTime);
+        this.mEndTime = endTime;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mEndTime);
+        this.mConfidenceLevel = confidenceLevel;
+        com.android.internal.util.AnnotationValidations.validate(
+                LevelValue.class, null, mConfidenceLevel);
+        this.mDensityLevel = densityLevel;
+        com.android.internal.util.AnnotationValidations.validate(
+                LevelValue.class, null, mDensityLevel);
+
+        // onConstructed(); // You can define this method to get a callback
+    }
+
+    @DataClass.Generated.Member
+    public static final @NonNull Parcelable.Creator<AmbientContextEvent> CREATOR
+            = new Parcelable.Creator<AmbientContextEvent>() {
+        @Override
+        public AmbientContextEvent[] newArray(int size) {
+            return new AmbientContextEvent[size];
+        }
+
+        @Override
+        public AmbientContextEvent createFromParcel(@NonNull android.os.Parcel in) {
+            return new AmbientContextEvent(in);
+        }
+    };
+
+    /**
+     * A builder for {@link AmbientContextEvent}
+     */
+    @SuppressWarnings("WeakerAccess")
+    @DataClass.Generated.Member
+    public static final class Builder {
+
+        private @EventCode int mEventType;
+        private @NonNull Instant mStartTime;
+        private @NonNull Instant mEndTime;
+        private @LevelValue int mConfidenceLevel;
+        private @LevelValue int mDensityLevel;
+
+        private long mBuilderFieldsSet = 0L;
+
+        public Builder() {
+        }
+
+        @DataClass.Generated.Member
+        public @NonNull Builder setEventType(@EventCode int value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x1;
+            mEventType = value;
+            return this;
+        }
+
+        /**
+         * Event start time
+         */
+        @DataClass.Generated.Member
+        public @NonNull Builder setStartTime(@NonNull Instant value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x2;
+            mStartTime = value;
+            return this;
+        }
+
+        /**
+         * Event end time
+         */
+        @DataClass.Generated.Member
+        public @NonNull Builder setEndTime(@NonNull Instant value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x4;
+            mEndTime = value;
+            return this;
+        }
+
+        /**
+         * Confidence level from LEVEL_LOW to LEVEL_HIGH, or LEVEL_NONE if not available.
+         * Apps can add post-processing filter using this value if needed.
+         */
+        @DataClass.Generated.Member
+        public @NonNull Builder setConfidenceLevel(@LevelValue int value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x8;
+            mConfidenceLevel = value;
+            return this;
+        }
+
+        /**
+         * Density level from LEVEL_LOW to LEVEL_HIGH, or LEVEL_NONE if not available.
+         * Apps can add post-processing filter using this value if needed.
+         */
+        @DataClass.Generated.Member
+        public @NonNull Builder setDensityLevel(@LevelValue int value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x10;
+            mDensityLevel = value;
+            return this;
+        }
+
+        /** Builds the instance. This builder should not be touched after calling this! */
+        public @NonNull AmbientContextEvent build() {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x20; // Mark builder used
+
+            if ((mBuilderFieldsSet & 0x1) == 0) {
+                mEventType = defaultEventType();
+            }
+            if ((mBuilderFieldsSet & 0x2) == 0) {
+                mStartTime = defaultStartTime();
+            }
+            if ((mBuilderFieldsSet & 0x4) == 0) {
+                mEndTime = defaultEndTime();
+            }
+            if ((mBuilderFieldsSet & 0x8) == 0) {
+                mConfidenceLevel = defaultConfidenceLevel();
+            }
+            if ((mBuilderFieldsSet & 0x10) == 0) {
+                mDensityLevel = defaultDensityLevel();
+            }
+            AmbientContextEvent o = new AmbientContextEvent(
+                    mEventType,
+                    mStartTime,
+                    mEndTime,
+                    mConfidenceLevel,
+                    mDensityLevel);
+            return o;
+        }
+
+        private void checkNotUsed() {
+            if ((mBuilderFieldsSet & 0x20) != 0) {
+                throw new IllegalStateException(
+                        "This Builder should not be reused. Use a new Builder instance instead");
+            }
+        }
+    }
+
+    @DataClass.Generated(
+            time = 1642040319323L,
+            codegenVersion = "1.0.23",
+            sourceFile = "frameworks/base/core/java/android/app/ambientcontext/AmbientContextEvent.java",
+            inputSignatures = "public static final  int EVENT_UNKNOWN\npublic static final  int EVENT_COUGH\npublic static final  int EVENT_SNORE\npublic static final  int LEVEL_UNKNOWN\npublic static final  int LEVEL_LOW\npublic static final  int LEVEL_MEDIUM_LOW\npublic static final  int LEVEL_MEDIUM\npublic static final  int LEVEL_MEDIUM_HIGH\npublic static final  int LEVEL_HIGH\nprivate final @android.app.ambientcontext.AmbientContextEvent.EventCode int mEventType\nprivate final @com.android.internal.util.DataClass.ParcelWith(com.android.internal.util.Parcelling.BuiltIn.ForInstant.class) @android.annotation.NonNull java.time.Instant mStartTime\nprivate final @com.android.internal.util.DataClass.ParcelWith(com.android.internal.util.Parcelling.BuiltIn.ForInstant.class) @android.annotation.NonNull java.time.Instant mEndTime\nprivate final @android.app.ambientcontext.AmbientContextEvent.LevelValue int mConfidenceLevel\nprivate final @android.app.ambientcontext.AmbientContextEvent.LevelValue int mDensityLevel\nprivate static  int defaultEventType()\nprivate static @android.annotation.NonNull java.time.Instant defaultStartTime()\nprivate static @android.annotation.NonNull java.time.Instant defaultEndTime()\nprivate static  int defaultConfidenceLevel()\nprivate static  int defaultDensityLevel()\nclass AmbientContextEvent extends java.lang.Object implements [android.os.Parcelable]\n@com.android.internal.util.DataClass(genBuilder=true, genConstructor=false, genHiddenConstDefs=true, genParcelable=true, genToString=true)")
+    @Deprecated
+    private void __metadata() {}
+
+
+    //@formatter:on
+    // End of generated code
+
+}
diff --git a/core/java/android/app/ambientcontext/AmbientContextEventRequest.aidl b/core/java/android/app/ambientcontext/AmbientContextEventRequest.aidl
new file mode 100644
index 0000000..e24c6ad
--- /dev/null
+++ b/core/java/android/app/ambientcontext/AmbientContextEventRequest.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.ambientcontext;
+
+parcelable AmbientContextEventRequest;
diff --git a/core/java/android/app/ambientcontext/AmbientContextEventRequest.java b/core/java/android/app/ambientcontext/AmbientContextEventRequest.java
new file mode 100644
index 0000000..82b16a2
--- /dev/null
+++ b/core/java/android/app/ambientcontext/AmbientContextEventRequest.java
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.ambientcontext;
+
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.os.PersistableBundle;
+import android.util.ArraySet;
+
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Represents the request for ambient event detection.
+ *
+ * @hide
+ */
+@SystemApi
+public final class AmbientContextEventRequest implements Parcelable {
+    @NonNull private final Set<Integer> mEventTypes;
+    @NonNull private final PersistableBundle mOptions;
+
+    AmbientContextEventRequest(
+            @NonNull Set<Integer> eventTypes,
+            @NonNull PersistableBundle options) {
+        this.mEventTypes = eventTypes;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mEventTypes);
+        this.mOptions = options;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mOptions);
+    }
+
+    /**
+     * The event types to detect.
+     */
+    public @NonNull Set<Integer> getEventTypes() {
+        return mEventTypes;
+    }
+
+    /**
+     * Optional detection options.
+     */
+    public @NonNull PersistableBundle getOptions() {
+        return mOptions;
+    }
+
+    @Override
+    public String toString() {
+        return "AmbientContextEventRequest { " + "eventTypes = " + mEventTypes + ", "
+                + "options = " + mOptions + " }";
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeArraySet(new ArraySet<>(mEventTypes));
+        dest.writeTypedObject(mOptions, flags);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    /** @hide */
+    @SuppressWarnings({"unchecked", "RedundantCast"})
+    AmbientContextEventRequest(@NonNull Parcel in) {
+        Set<Integer> eventTypes = (Set<Integer>) in.readArraySet(Integer.class.getClassLoader());
+        PersistableBundle options = (PersistableBundle) in.readTypedObject(
+                PersistableBundle.CREATOR);
+
+        this.mEventTypes = eventTypes;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mEventTypes);
+        this.mOptions = options;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mOptions);
+    }
+
+    public static final @NonNull Parcelable.Creator<AmbientContextEventRequest> CREATOR =
+            new Parcelable.Creator<AmbientContextEventRequest>() {
+        @Override
+        public AmbientContextEventRequest[] newArray(int size) {
+            return new AmbientContextEventRequest[size];
+        }
+
+        @Override
+        public AmbientContextEventRequest createFromParcel(@NonNull Parcel in) {
+            return new AmbientContextEventRequest(in);
+        }
+    };
+
+    /**
+     * A builder for {@link AmbientContextEventRequest}
+     */
+    @SuppressWarnings("WeakerAccess")
+    public static final class Builder {
+        private @NonNull Set<Integer> mEventTypes;
+        private @NonNull PersistableBundle mOptions;
+
+        private long mBuilderFieldsSet = 0L;
+
+        public Builder() {
+        }
+
+        /**
+         * Add an event type to detect.
+         */
+        public @NonNull Builder addEventType(@AmbientContextEvent.EventCode int value) {
+            checkNotUsed();
+            if (mEventTypes == null) {
+                mBuilderFieldsSet |= 0x1;
+                mEventTypes = new HashSet<>();
+            }
+            mEventTypes.add(value);
+            return this;
+        }
+
+        /**
+         * Optional detection options.
+         */
+        public @NonNull Builder setOptions(@NonNull PersistableBundle value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x2;
+            mOptions = value;
+            return this;
+        }
+
+        /** Builds the instance. This builder should not be touched after calling this! */
+        public @NonNull AmbientContextEventRequest build() {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x4; // Mark builder used
+
+            if ((mBuilderFieldsSet & 0x1) == 0) {
+                mEventTypes = new HashSet<>();
+            }
+            if ((mBuilderFieldsSet & 0x2) == 0) {
+                mOptions = new PersistableBundle();
+            }
+            AmbientContextEventRequest o = new AmbientContextEventRequest(
+                    mEventTypes,
+                    mOptions);
+            return o;
+        }
+
+        private void checkNotUsed() {
+            if ((mBuilderFieldsSet & 0x4) != 0) {
+                throw new IllegalStateException(
+                        "This Builder should not be reused. Use a new Builder instance instead");
+            }
+        }
+    }
+}
diff --git a/core/java/android/app/ambientcontext/AmbientContextEventResponse.aidl b/core/java/android/app/ambientcontext/AmbientContextEventResponse.aidl
new file mode 100644
index 0000000..4dc6466
--- /dev/null
+++ b/core/java/android/app/ambientcontext/AmbientContextEventResponse.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.ambientcontext;
+
+parcelable AmbientContextEventResponse;
\ No newline at end of file
diff --git a/core/java/android/app/ambientcontext/AmbientContextEventResponse.java b/core/java/android/app/ambientcontext/AmbientContextEventResponse.java
new file mode 100644
index 0000000..472a78b
--- /dev/null
+++ b/core/java/android/app/ambientcontext/AmbientContextEventResponse.java
@@ -0,0 +1,293 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.ambientcontext;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.app.PendingIntent;
+import android.os.Parcelable;
+
+import com.android.internal.util.AnnotationValidations;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Represents a response from the {@code AmbientContextEvent} service.
+ *
+ * @hide
+ */
+@SystemApi
+public final class AmbientContextEventResponse implements Parcelable {
+    /**
+     * An unknown status.
+     */
+    public static final int STATUS_UNKNOWN = 0;
+    /**
+     * The value of the status code that indicates success.
+     */
+    public static final int STATUS_SUCCESS = 1;
+    /**
+     * The value of the status code that indicates one or more of the
+     * requested events are not supported.
+     */
+    public static final int STATUS_NOT_SUPPORTED = 2;
+    /**
+     * The value of the status code that indicates service not available.
+     */
+    public static final int STATUS_SERVICE_UNAVAILABLE = 3;
+    /**
+     * The value of the status code that microphone is disabled.
+     */
+    public static final int STATUS_MICROPHONE_DISABLED = 4;
+    /**
+     * The value of the status code that the app is not granted access.
+     */
+    public static final int STATUS_ACCESS_DENIED = 5;
+
+    /** @hide */
+    @IntDef(prefix = { "STATUS_" }, value = {
+            STATUS_UNKNOWN,
+            STATUS_SUCCESS,
+            STATUS_NOT_SUPPORTED,
+            STATUS_SERVICE_UNAVAILABLE,
+            STATUS_MICROPHONE_DISABLED,
+            STATUS_ACCESS_DENIED
+    }) public @interface StatusCode {}
+
+    @StatusCode private final int mStatusCode;
+    @NonNull private final List<AmbientContextEvent> mEvents;
+    @NonNull private final String mPackageName;
+    @Nullable private final PendingIntent mActionPendingIntent;
+
+    /** @hide */
+    public static String statusToString(@StatusCode int value) {
+        switch (value) {
+            case STATUS_UNKNOWN:
+                return "STATUS_UNKNOWN";
+            case STATUS_SUCCESS:
+                return "STATUS_SUCCESS";
+            case STATUS_NOT_SUPPORTED:
+                return "STATUS_NOT_SUPPORTED";
+            case STATUS_SERVICE_UNAVAILABLE:
+                return "STATUS_SERVICE_UNAVAILABLE";
+            case STATUS_MICROPHONE_DISABLED:
+                return "STATUS_MICROPHONE_DISABLED";
+            case STATUS_ACCESS_DENIED:
+                return "STATUS_ACCESS_DENIED";
+            default: return Integer.toHexString(value);
+        }
+    }
+
+    AmbientContextEventResponse(
+            @StatusCode int statusCode,
+            @NonNull List<AmbientContextEvent> events,
+            @NonNull String packageName,
+            @Nullable PendingIntent actionPendingIntent) {
+        this.mStatusCode = statusCode;
+        AnnotationValidations.validate(StatusCode.class, null, mStatusCode);
+        this.mEvents = events;
+        AnnotationValidations.validate(NonNull.class, null, mEvents);
+        this.mPackageName = packageName;
+        AnnotationValidations.validate(NonNull.class, null, mPackageName);
+        this.mActionPendingIntent = actionPendingIntent;
+    }
+
+    /**
+     * The status of the response.
+     */
+    public @StatusCode int getStatusCode() {
+        return mStatusCode;
+    }
+
+    /**
+     * The detected event.
+     */
+    public @NonNull List<AmbientContextEvent> getEvents() {
+        return mEvents;
+    }
+
+    /**
+     * The package to deliver the response to.
+     */
+    public @NonNull String getPackageName() {
+        return mPackageName;
+    }
+
+    /**
+     * A {@link PendingIntent} that the client should call to allow further actions by user.
+     * For example, with {@link STATUS_ACCESS_DENIED}, the PendingIntent can redirect users to the
+     * grant access activity.
+     */
+    public @Nullable PendingIntent getActionPendingIntent() {
+        return mActionPendingIntent;
+    }
+
+    @Override
+    public String toString() {
+        return "AmbientContextEventResponse { " + "statusCode = " + mStatusCode + ", "
+                + "events = " + mEvents + ", " + "packageName = " + mPackageName + ", "
+                + "callbackPendingIntent = " + mActionPendingIntent + " }";
+    }
+
+    @Override
+    public void writeToParcel(@NonNull android.os.Parcel dest, int flags) {
+        byte flg = 0;
+        if (mActionPendingIntent != null) flg |= 0x8;
+        dest.writeByte(flg);
+        dest.writeInt(mStatusCode);
+        dest.writeParcelableList(mEvents, flags);
+        dest.writeString(mPackageName);
+        if (mActionPendingIntent != null) dest.writeTypedObject(mActionPendingIntent, flags);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    /** @hide */
+    @SuppressWarnings({"unchecked", "RedundantCast"})
+    AmbientContextEventResponse(@NonNull android.os.Parcel in) {
+        byte flg = in.readByte();
+        int statusCode = in.readInt();
+        List<AmbientContextEvent> events = new ArrayList<>();
+        in.readParcelableList(events, AmbientContextEvent.class.getClassLoader(),
+                AmbientContextEvent.class);
+        String packageName = in.readString();
+        PendingIntent callbackPendingIntent = (flg & 0x8) == 0 ? null
+                : (PendingIntent) in.readTypedObject(PendingIntent.CREATOR);
+
+        this.mStatusCode = statusCode;
+        AnnotationValidations.validate(
+                StatusCode.class, null, mStatusCode);
+        this.mEvents = events;
+        AnnotationValidations.validate(
+                NonNull.class, null, mEvents);
+        this.mPackageName = packageName;
+        AnnotationValidations.validate(
+                NonNull.class, null, mPackageName);
+        this.mActionPendingIntent = callbackPendingIntent;
+    }
+
+    public static final @NonNull Parcelable.Creator<AmbientContextEventResponse> CREATOR =
+            new Parcelable.Creator<AmbientContextEventResponse>() {
+        @Override
+        public AmbientContextEventResponse[] newArray(int size) {
+            return new AmbientContextEventResponse[size];
+        }
+
+        @Override
+        public AmbientContextEventResponse createFromParcel(@NonNull android.os.Parcel in) {
+            return new AmbientContextEventResponse(in);
+        }
+    };
+
+    /**
+     * A builder for {@link AmbientContextEventResponse}
+     */
+    @SuppressWarnings("WeakerAccess")
+    public static final class Builder {
+        private @StatusCode int mStatusCode;
+        private @NonNull List<AmbientContextEvent> mEvents;
+        private @NonNull String mPackageName;
+        private @Nullable PendingIntent mCallbackPendingIntent;
+        private long mBuilderFieldsSet = 0L;
+
+        public Builder() {
+        }
+
+        /**
+         * The status of the response.
+         */
+        public @NonNull Builder setStatusCode(@StatusCode int value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x1;
+            mStatusCode = value;
+            return this;
+        }
+
+        /**
+         * Adds an event to the builder.
+         */
+        public @NonNull Builder addEvent(@NonNull AmbientContextEvent value) {
+            checkNotUsed();
+            if (mEvents == null) {
+                mBuilderFieldsSet |= 0x2;
+                mEvents = new ArrayList<>();
+            }
+            mEvents.add(value);
+            return this;
+        }
+
+        /**
+         * The package to deliver the response to.
+         */
+        public @NonNull Builder setPackageName(@NonNull String value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x4;
+            mPackageName = value;
+            return this;
+        }
+
+        /**
+         * A {@link PendingIntent} that the client should call to allow further actions by user.
+         * For example, with {@link STATUS_ACCESS_DENIED}, the PendingIntent can redirect users to
+         * the grant access activity.
+         */
+        public @NonNull Builder setActionPendingIntent(@NonNull PendingIntent value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x8;
+            mCallbackPendingIntent = value;
+            return this;
+        }
+
+        /** Builds the instance. This builder should not be touched after calling this! */
+        public @NonNull AmbientContextEventResponse build() {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x10; // Mark builder used
+
+            if ((mBuilderFieldsSet & 0x1) == 0) {
+                mStatusCode = STATUS_UNKNOWN;
+            }
+            if ((mBuilderFieldsSet & 0x2) == 0) {
+                mEvents = new ArrayList<>();
+            }
+            if ((mBuilderFieldsSet & 0x4) == 0) {
+                mPackageName = "";
+            }
+            if ((mBuilderFieldsSet & 0x8) == 0) {
+                mCallbackPendingIntent = null;
+            }
+            AmbientContextEventResponse o = new AmbientContextEventResponse(
+                    mStatusCode,
+                    mEvents,
+                    mPackageName,
+                    mCallbackPendingIntent);
+            return o;
+        }
+
+        private void checkNotUsed() {
+            if ((mBuilderFieldsSet & 0x10) != 0) {
+                throw new IllegalStateException(
+                        "This Builder should not be reused. Use a new Builder instance instead");
+            }
+        }
+    }
+}
diff --git a/core/java/android/app/ambientcontext/AmbientContextManager.java b/core/java/android/app/ambientcontext/AmbientContextManager.java
new file mode 100644
index 0000000..6841d1b
--- /dev/null
+++ b/core/java/android/app/ambientcontext/AmbientContextManager.java
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.ambientcontext;
+
+import android.Manifest;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.RequiresPermission;
+import android.annotation.SystemApi;
+import android.annotation.SystemService;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.os.RemoteException;
+
+import com.android.internal.util.Preconditions;
+
+/**
+ * Allows granted apps to register for particular pre-defined {@link AmbientContextEvent}s.
+ * After successful registration, the app receives a callback on the provided {@link PendingIntent}
+ * when the requested event is detected.
+ * <p />
+ *
+ * Example:
+ *
+ * <pre><code>
+ *     // Create request
+ *     AmbientContextEventRequest request = new AmbientContextEventRequest.Builder()
+ *         .addEventType(AmbientContextEvent.EVENT_COUGH)
+ *         .addEventTYpe(AmbientContextEvent.EVENT_SNORE)
+ *         .build();
+ *     // Create PendingIntent
+ *     Intent intent = new Intent(actionString, null, context, MyBroadcastReceiver.class)
+ *         .addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
+ *     PendingIntent pendingIntent = PendingIntents.getBroadcastMutable(context, 0, intent, 0);
+ *     // Register for events
+ *     AmbientContextManager ambientContextManager =
+ *         context.getSystemService(AmbientContextManager.class);
+ *    ambientContextManager.registerObserver(request, pendingIntent);
+ *
+ *    // Handle the callback intent in your receiver
+ *    {@literal @}Override
+ *    protected void onReceive(Context context, Intent intent) {
+ *      AmbientContextEventResponse response =
+ *          AmbientContextManager.getResponseFromIntent(intent);
+ *      if (response != null) {
+ *        if (response.getStatusCode() == AmbientContextEventResponse.STATUS_SUCCESS) {
+ *          // Do something useful with response.getEvent()
+ *        } else if (response.getStatusCode() == AmbientContextEventResponse.STATUS_ACCESS_DENIED) {
+ *          // Redirect users to grant access
+ *          PendingIntent callbackPendingIntent = response.getCallbackPendingIntent();
+ *          if (callbackPendingIntent != null) {
+ *            callbackPendingIntent.send();
+ *          }
+ *        } else ...
+ *      }
+ *    }
+ * </code></pre>
+ *
+ * @hide
+ */
+@SystemApi
+@SystemService(Context.AMBIENT_CONTEXT_SERVICE)
+public final class AmbientContextManager {
+
+    /**
+     * The key of an Intent extra indicating the response.
+     */
+    public static final String EXTRA_AMBIENT_CONTEXT_EVENT_RESPONSE =
+            "android.app.ambientcontext.extra.AMBIENT_CONTEXT_EVENT_RESPONSE";
+
+    /**
+     * Allows clients to retrieve the response from the intent.
+     * @param intent received from the PendingIntent callback
+     *
+     * @return the AmbientContextEventResponse, or null if not present
+     */
+    @Nullable
+    public static AmbientContextEventResponse getResponseFromIntent(
+            @NonNull Intent intent) {
+        if (intent.hasExtra(AmbientContextManager.EXTRA_AMBIENT_CONTEXT_EVENT_RESPONSE)) {
+            return intent.getParcelableExtra(EXTRA_AMBIENT_CONTEXT_EVENT_RESPONSE);
+        } else {
+            return null;
+        }
+    }
+
+    private final Context mContext;
+    private final IAmbientContextEventObserver mService;
+
+    /**
+     * {@hide}
+     */
+    public AmbientContextManager(Context context, IAmbientContextEventObserver service) {
+        mContext = context;
+        mService = service;
+    }
+
+    /**
+     * Allows app to register as a {@link AmbientContextEvent} observer. The
+     * observer receives a callback on the provided {@link PendingIntent} when the requested
+     * event is detected. Registering another observer from the same package that has already been
+     * registered will override the previous observer.
+     *
+     * @param request The request with events to observe.
+     * @param pendingIntent A mutable {@link PendingIntent} that will be dispatched when any
+     *                     requested event is detected.
+     */
+    @RequiresPermission(Manifest.permission.ACCESS_AMBIENT_CONTEXT_EVENT)
+    public void registerObserver(
+            @NonNull AmbientContextEventRequest request,
+            @NonNull PendingIntent pendingIntent) {
+        Preconditions.checkArgument(!pendingIntent.isImmutable());
+        try {
+            mService.registerObserver(request, pendingIntent);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Unregisters the requesting app as an {@code AmbientContextEvent} observer. Unregistering an
+     * observer that was already unregistered or never registered will have no effect.
+     */
+    @RequiresPermission(Manifest.permission.ACCESS_AMBIENT_CONTEXT_EVENT)
+    public void unregisterObserver() {
+        try {
+            mService.unregisterObserver(mContext.getOpPackageName());
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+}
diff --git a/core/java/android/app/ambientcontext/IAmbientContextEventObserver.aidl b/core/java/android/app/ambientcontext/IAmbientContextEventObserver.aidl
new file mode 100644
index 0000000..9032fe1
--- /dev/null
+++ b/core/java/android/app/ambientcontext/IAmbientContextEventObserver.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.ambientcontext;
+
+import android.app.PendingIntent;
+import android.app.ambientcontext.AmbientContextEventRequest;
+
+/**
+ * Interface for an AmbientContextEventManager that provides access to AmbientContextEvents.
+ *
+ * @hide
+ */
+oneway interface IAmbientContextEventObserver {
+    void registerObserver(in AmbientContextEventRequest request, in PendingIntent pendingIntent);
+    void unregisterObserver(in String callingPackage);
+}
\ No newline at end of file
diff --git a/core/java/android/app/ambientcontext/OWNERS b/core/java/android/app/ambientcontext/OWNERS
new file mode 100644
index 0000000..a863297
--- /dev/null
+++ b/core/java/android/app/ambientcontext/OWNERS
@@ -0,0 +1,3 @@
+enxun@google.com
+kxchen@google.com
+tgadh@google.com
diff --git a/core/java/android/app/wallpapereffectsgeneration/OWNERS b/core/java/android/app/wallpapereffectsgeneration/OWNERS
new file mode 100644
index 0000000..2bc0154
--- /dev/null
+++ b/core/java/android/app/wallpapereffectsgeneration/OWNERS
@@ -0,0 +1,5 @@
+susharon@google.com
+shanh@google.com
+huiwu@google.com
+srazdan@google.com
+
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 845d23c..ce2efcf 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -41,6 +41,7 @@
 import android.app.IApplicationThread;
 import android.app.IServiceConnection;
 import android.app.VrManager;
+import android.app.ambientcontext.AmbientContextManager;
 import android.app.people.PeopleManager;
 import android.app.time.TimeManager;
 import android.compat.annotation.UnsupportedAppUsage;
@@ -5931,6 +5932,17 @@
     public static final String NEARBY_SERVICE = "nearby";
 
     /**
+     * Use with {@link #getSystemService(String)} to retrieve a
+     * {@link android.app.ambientcontext.AmbientContextManager}.
+     *
+     * @see #getSystemService(String)
+     * @see AmbientContextManager
+     * @hide
+     */
+    @SystemApi
+    public static final String AMBIENT_CONTEXT_SERVICE = "ambient_context";
+
+    /**
      * Determine whether the given permission is allowed for a particular
      * process and user ID running in the system.
      *
diff --git a/core/java/android/content/pm/CrossProfileApps.java b/core/java/android/content/pm/CrossProfileApps.java
index 11b2ea1..1e88758 100644
--- a/core/java/android/content/pm/CrossProfileApps.java
+++ b/core/java/android/content/pm/CrossProfileApps.java
@@ -15,6 +15,9 @@
  */
 package android.content.pm;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.SWITCH_TO_PERSONAL_LABEL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.SWITCH_TO_WORK_LABEL;
+
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
@@ -22,6 +25,7 @@
 import android.annotation.TestApi;
 import android.app.Activity;
 import android.app.AppOpsManager.Mode;
+import android.app.admin.DevicePolicyManager;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -241,12 +245,24 @@
     public @NonNull CharSequence getProfileSwitchingLabel(@NonNull UserHandle userHandle) {
         verifyCanAccessUser(userHandle);
 
-        final int stringRes = mUserManager.isManagedProfile(userHandle.getIdentifier())
-                ? R.string.managed_profile_label
-                : R.string.user_owner_label;
+        final boolean isManagedProfile = mUserManager.isManagedProfile(userHandle.getIdentifier());
+        final DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(
+                getUpdatableProfileSwitchingLabelId(isManagedProfile),
+                () -> getDefaultProfileSwitchingLabel(isManagedProfile));
+    }
+
+    private String getUpdatableProfileSwitchingLabelId(boolean isManagedProfile) {
+        return isManagedProfile ? SWITCH_TO_WORK_LABEL : SWITCH_TO_PERSONAL_LABEL;
+    }
+
+    private String getDefaultProfileSwitchingLabel(boolean isManagedProfile) {
+        final int stringRes = isManagedProfile
+                ? R.string.managed_profile_label : R.string.user_owner_label;
         return mResources.getString(stringRes);
     }
 
+
     /**
      * Return a drawable that calling app can show to user for the semantic of profile switching --
      * launching its own activity in specified user profile. For example, it may return a briefcase
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index c8f88f2..1021d3e 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -4077,6 +4077,14 @@
     @SdkConstant(SdkConstantType.FEATURE)
     public static final String FEATURE_DREAM_OVERLAY = "android.software.dream_overlay";
 
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device
+     * supports window magnification.
+     */
+    @SdkConstant(SdkConstantType.FEATURE)
+    public static final String FEATURE_WINDOW_MAGNIFICATION =
+            "android.software.window_magnification";
+
     /** @hide */
     public static final boolean APP_ENUMERATION_ENABLED_BY_DEFAULT = true;
 
diff --git a/core/java/android/hardware/usb/IUsbManager.aidl b/core/java/android/hardware/usb/IUsbManager.aidl
index 7f07af7..1d0837e 100644
--- a/core/java/android/hardware/usb/IUsbManager.aidl
+++ b/core/java/android/hardware/usb/IUsbManager.aidl
@@ -18,6 +18,7 @@
 
 import android.app.PendingIntent;
 import android.content.ComponentName;
+import android.hardware.usb.IUsbOperationInternal;
 import android.hardware.usb.UsbAccessory;
 import android.hardware.usb.UsbDevice;
 import android.hardware.usb.ParcelableUsbPort;
@@ -136,7 +137,7 @@
     void resetUsbGadget();
 
     /* Set USB data on or off */
-    boolean enableUsbDataSignal(boolean enable);
+    boolean enableUsbData(in String portId, boolean enable, int operationId, in IUsbOperationInternal callback);
 
     /* Gets the USB Hal Version. */
     int getUsbHalVersion();
@@ -156,9 +157,14 @@
     /* Sets the port's current role. */
     void setPortRoles(in String portId, int powerRole, int dataRole);
 
+    /* Limit power transfer in & out of the port within the allowed limit by the USB
+     * specification.
+     */
+    void enableLimitPowerTransfer(in String portId, boolean limit, int operationId, in IUsbOperationInternal callback);
+
     /* Enable/disable contaminant detection */
     void enableContaminantDetection(in String portId, boolean enable);
 
-   /* Sets USB device connection handler. */
-   void setUsbDeviceConnectionHandler(in ComponentName usbDeviceConnectionHandler);
+    /* Sets USB device connection handler. */
+    void setUsbDeviceConnectionHandler(in ComponentName usbDeviceConnectionHandler);
 }
diff --git a/core/java/android/hardware/usb/IUsbOperationInternal.aidl b/core/java/android/hardware/usb/IUsbOperationInternal.aidl
new file mode 100644
index 0000000..3f3bbf6
--- /dev/null
+++ b/core/java/android/hardware/usb/IUsbOperationInternal.aidl
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.usb;
+
+/**
+ * @hide
+ */
+oneway interface IUsbOperationInternal {
+void onOperationComplete(in int status);
+}
diff --git a/core/java/android/hardware/usb/UsbManager.java b/core/java/android/hardware/usb/UsbManager.java
index c29a948..eb3e84d 100644
--- a/core/java/android/hardware/usb/UsbManager.java
+++ b/core/java/android/hardware/usb/UsbManager.java
@@ -36,6 +36,8 @@
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.hardware.usb.gadget.V1_0.GadgetFunction;
 import android.hardware.usb.gadget.V1_2.UsbSpeed;
+import android.hardware.usb.IUsbOperationInternal;
+import android.hardware.usb.UsbPort;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.ParcelFileDescriptor;
@@ -48,6 +50,7 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.StringJoiner;
 
 /**
@@ -517,6 +520,14 @@
     public static final int USB_DATA_TRANSFER_RATE_40G = 40 * 1024;
 
     /**
+     * Returned when the client has to retry querying the version.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int USB_HAL_RETRY = -2;
+
+    /**
      * The Value for USB hal is not presented.
      *
      * {@hide}
@@ -557,6 +568,14 @@
     public static final int USB_HAL_V1_3 = 13;
 
     /**
+     * Value for USB Hal Version v2.0.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int USB_HAL_V2_0 = 20;
+
+    /**
      * Code for the charging usb function. Passed into {@link #setCurrentFunctions(long)}
      * {@hide}
      */
@@ -665,6 +684,7 @@
             USB_HAL_V1_1,
             USB_HAL_V1_2,
             USB_HAL_V1_3,
+            USB_HAL_V2_0,
     })
     public @interface UsbHalVersion {}
 
@@ -1169,8 +1189,9 @@
     /**
      * Enable/Disable the USB data signaling.
      * <p>
-     * Enables/Disables USB data path in all the USB ports.
+     * Enables/Disables USB data path of the first port..
      * It will force to stop or restore USB data signaling.
+     * Call UsbPort API if the device has more than one UsbPort.
      * </p>
      *
      * @param enable enable or disable USB data signaling
@@ -1181,11 +1202,11 @@
      */
     @RequiresPermission(Manifest.permission.MANAGE_USB)
     public boolean enableUsbDataSignal(boolean enable) {
-        try {
-            return mService.enableUsbDataSignal(enable);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
+        List<UsbPort> usbPorts = getPorts();
+        if (usbPorts.size() == 1) {
+            return usbPorts.get(0).enableUsbData(enable) == UsbPort.ENABLE_USB_DATA_SUCCESS;
         }
+        return false;
     }
 
     /**
@@ -1271,6 +1292,73 @@
     }
 
     /**
+     * Should only be called by {@link UsbPort#enableLimitPowerTransfer}.
+     * <p>
+     * limits or restores power transfer in and out of USB port.
+     *
+     * @param port USB port for which power transfer has to be limited or restored.
+     * @param limit limit power transfer when true.
+     *              relax power transfer restrictions when false.
+     * @param operationId operationId for the request.
+     * @param callback callback object to be invoked when the operation is complete.
+     *
+     * @hide
+     */
+    @RequiresPermission(Manifest.permission.MANAGE_USB)
+    void enableLimitPowerTransfer(@NonNull UsbPort port, boolean limit, int operationId,
+            IUsbOperationInternal callback) {
+        Objects.requireNonNull(port, "enableLimitPowerTransfer:port must not be null. opId:"
+                + operationId);
+        try {
+            mService.enableLimitPowerTransfer(port.getId(), limit, operationId, callback);
+        } catch (RemoteException e) {
+            Log.e(TAG, "enableLimitPowerTransfer failed. opId:" + operationId, e);
+            try {
+                callback.onOperationComplete(UsbOperationInternal.USB_OPERATION_ERROR_INTERNAL);
+            } catch (RemoteException r) {
+                Log.e(TAG, "enableLimitPowerTransfer failed to call onOperationComplete. opId:"
+                        + operationId, r);
+            }
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Should only be called by {@link UsbPort#enableUsbData}.
+     * <p>
+     * Enables or disables USB data on the specific port.
+     *
+     * @param port USB port for which USB data needs to be enabled or disabled.
+     * @param enable Enable USB data when true.
+     *               Disable USB data when false.
+     * @param operationId operationId for the request.
+     * @param callback callback object to be invoked when the operation is complete.
+     * @return True when the operation is asynchronous. The caller must therefore call
+     *         {@link UsbOperationInternal#waitForOperationComplete} for processing
+     *         the result.
+     *         False when the operation is synchronous. Caller can proceed reading the result
+     *         through {@link UsbOperationInternal#getStatus}
+     * @hide
+     */
+    @RequiresPermission(Manifest.permission.MANAGE_USB)
+    boolean enableUsbData(@NonNull UsbPort port, boolean enable, int operationId,
+            IUsbOperationInternal callback) {
+        Objects.requireNonNull(port, "enableUsbData: port must not be null. opId:" + operationId);
+        try {
+            return mService.enableUsbData(port.getId(), enable, operationId, callback);
+        } catch (RemoteException e) {
+            Log.e(TAG, "enableUsbData: failed. opId:" + operationId, e);
+            try {
+                callback.onOperationComplete(UsbOperationInternal.USB_OPERATION_ERROR_INTERNAL);
+            } catch (RemoteException r) {
+                Log.e(TAG, "enableUsbData: failed to call onOperationComplete. opId:"
+                        + operationId, r);
+            }
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
      * Sets the component that will handle USB device connection.
      * <p>
      * Setting component allows to specify external USB host manager to handle use cases, where
diff --git a/core/java/android/hardware/usb/UsbOperationInternal.java b/core/java/android/hardware/usb/UsbOperationInternal.java
new file mode 100644
index 0000000..9bc2b38
--- /dev/null
+++ b/core/java/android/hardware/usb/UsbOperationInternal.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.usb;
+
+import android.annotation.IntDef;
+import android.hardware.usb.IUsbOperationInternal;
+import android.hardware.usb.UsbPort;
+import android.util.Log;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.concurrent.locks.Condition;
+import java.util.concurrent.locks.ReentrantLock;
+import java.util.concurrent.TimeUnit;
+/**
+ * UsbOperationInternal allows UsbPort to support both synchronous and
+ * asynchronous function irrespective of whether the underlying hal
+ * method is synchronous or asynchronous.
+ *
+ * @hide
+ */
+public final class UsbOperationInternal extends IUsbOperationInternal.Stub {
+    private static final String TAG = "UsbPortStatus";
+    private final int mOperationID;
+    // Cached portId.
+    private final String mId;
+    // True implies operation did not timeout.
+    private boolean mOperationComplete;
+    private @UsbOperationStatus int mStatus;
+    final ReentrantLock mLock = new ReentrantLock();
+    final Condition mOperationWait  = mLock.newCondition();
+    // Maximum time the caller has to wait for onOperationComplete to be called.
+    private static final int USB_OPERATION_TIMEOUT_MSECS = 5000;
+
+    /**
+     * The requested operation was successfully completed.
+     * Returned in {@link onOperationComplete} and {@link getStatus}.
+     */
+    public static final int USB_OPERATION_SUCCESS = 0;
+
+    /**
+     * The requested operation failed due to internal error.
+     * Returned in {@link onOperationComplete} and {@link getStatus}.
+     */
+    public static final int USB_OPERATION_ERROR_INTERNAL = 1;
+
+    /**
+     * The requested operation failed as it's not supported.
+     * Returned in {@link onOperationComplete} and {@link getStatus}.
+     */
+    public static final int USB_OPERATION_ERROR_NOT_SUPPORTED = 2;
+
+    /**
+     * The requested operation failed as it's not supported.
+     * Returned in {@link onOperationComplete} and {@link getStatus}.
+     */
+    public static final int USB_OPERATION_ERROR_PORT_MISMATCH = 3;
+
+    @IntDef(prefix = { "USB_OPERATION_" }, value = {
+            USB_OPERATION_SUCCESS,
+            USB_OPERATION_ERROR_INTERNAL,
+            USB_OPERATION_ERROR_NOT_SUPPORTED,
+            USB_OPERATION_ERROR_PORT_MISMATCH
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    @interface UsbOperationStatus{}
+
+    UsbOperationInternal(int operationID, String id) {
+        this.mOperationID = operationID;
+        this.mId = id;
+    }
+
+    /**
+     * Hal glue layer would directly call this function when the requested
+     * operation is complete.
+     */
+    @Override
+    public void onOperationComplete(@UsbOperationStatus int status) {
+        mLock.lock();
+        try {
+            mOperationComplete = true;
+            mStatus = status;
+            Log.i(TAG, "Port:" + mId + " opID:" + mOperationID + " status:" + mStatus);
+            mOperationWait.signal();
+        } finally {
+            mLock.unlock();
+        }
+    }
+
+    /**
+     * Caller invokes this function to wait for the operation to be complete.
+     */
+    public void waitForOperationComplete() {
+        mLock.lock();
+        try {
+            long now = System.currentTimeMillis();
+            long deadline = now + USB_OPERATION_TIMEOUT_MSECS;
+            // Wait in loop to overcome spurious wakeups.
+            do {
+                mOperationWait.await(deadline - System.currentTimeMillis(),
+                        TimeUnit.MILLISECONDS);
+            } while (!mOperationComplete && System.currentTimeMillis() < deadline);
+            if (!mOperationComplete) {
+                Log.e(TAG, "Port:" + mId + " opID:" + mOperationID
+                        + " operationComplete not received in " + USB_OPERATION_TIMEOUT_MSECS
+                        + "msecs");
+            }
+        } catch (InterruptedException e) {
+            Log.e(TAG, "Port:" + mId + " opID:" + mOperationID + " operationComplete interrupted");
+        } finally {
+            mLock.unlock();
+        }
+    }
+
+    public @UsbOperationStatus int getStatus() {
+        return mOperationComplete ? mStatus : USB_OPERATION_ERROR_INTERNAL;
+    }
+}
diff --git a/core/java/android/hardware/usb/UsbPort.java b/core/java/android/hardware/usb/UsbPort.java
index 274e23f..e908c24 100644
--- a/core/java/android/hardware/usb/UsbPort.java
+++ b/core/java/android/hardware/usb/UsbPort.java
@@ -16,6 +16,10 @@
 
 package android.hardware.usb;
 
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_ERROR_INTERNAL;
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_ERROR_NOT_SUPPORTED;
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_ERROR_PORT_MISMATCH;
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_SUCCESS;
 import static android.hardware.usb.UsbPortStatus.CONTAMINANT_DETECTION_DETECTED;
 import static android.hardware.usb.UsbPortStatus.CONTAMINANT_DETECTION_DISABLED;
 import static android.hardware.usb.UsbPortStatus.CONTAMINANT_DETECTION_NOT_DETECTED;
@@ -34,15 +38,23 @@
 import static android.hardware.usb.UsbPortStatus.POWER_ROLE_SOURCE;
 
 import android.Manifest;
+import android.annotation.CheckResult;
+import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
+import android.hardware.usb.UsbOperationInternal;
 import android.hardware.usb.V1_0.Constants;
+import android.os.Binder;
+import android.util.Log;
 
 import com.android.internal.util.Preconditions;
 
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.util.Objects;
+import java.util.concurrent.atomic.AtomicInteger;
 
 /**
  * Represents a physical USB port and describes its characteristics.
@@ -51,6 +63,7 @@
  */
 @SystemApi
 public final class UsbPort {
+    private static final String TAG = "UsbPort";
     private final String mId;
     private final int mSupportedModes;
     private final UsbManager mUsbManager;
@@ -64,6 +77,83 @@
      */
     private static final int POWER_ROLE_OFFSET = Constants.PortPowerRole.NONE;
 
+    /**
+     * Counter for tracking UsbOperation operations.
+     */
+    private static final AtomicInteger sUsbOperationCount = new AtomicInteger();
+
+    /**
+     * The {@link #enableUsbData} request was successfully completed.
+     */
+    public static final int ENABLE_USB_DATA_SUCCESS = 0;
+
+    /**
+     * The {@link #enableUsbData} request failed due to internal error.
+     */
+    public static final int ENABLE_USB_DATA_ERROR_INTERNAL = 1;
+
+    /**
+     * The {@link #enableUsbData} request failed as it's not supported.
+     */
+    public static final int ENABLE_USB_DATA_ERROR_NOT_SUPPORTED = 2;
+
+    /**
+     * The {@link #enableUsbData} request failed as port id mismatched.
+     */
+    public static final int ENABLE_USB_DATA_ERROR_PORT_MISMATCH = 3;
+
+    /**
+     * The {@link #enableUsbData} request failed due to other reasons.
+     */
+    public static final int ENABLE_USB_DATA_ERROR_OTHER = 4;
+
+    /** @hide */
+    @IntDef(prefix = { "ENABLE_USB_DATA_" }, value = {
+            ENABLE_USB_DATA_SUCCESS,
+            ENABLE_USB_DATA_ERROR_INTERNAL,
+            ENABLE_USB_DATA_ERROR_NOT_SUPPORTED,
+            ENABLE_USB_DATA_ERROR_PORT_MISMATCH,
+            ENABLE_USB_DATA_ERROR_OTHER
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    @interface EnableUsbDataStatus{}
+
+    /**
+     * The {@link #enableLimitPowerTransfer} request was successfully completed.
+     */
+    public static final int ENABLE_LIMIT_POWER_TRANSFER_SUCCESS = 0;
+
+    /**
+     * The {@link #enableLimitPowerTransfer} request failed due to internal error.
+     */
+    public static final int ENABLE_LIMIT_POWER_TRANSFER_ERROR_INTERNAL = 1;
+
+    /**
+     * The {@link #enableLimitPowerTransfer} request failed as it's not supported.
+     */
+    public static final int ENABLE_LIMIT_POWER_TRANSFER_ERROR_NOT_SUPPORTED = 2;
+
+    /**
+     * The {@link #enableLimitPowerTransfer} request failed as port id mismatched.
+     */
+    public static final int ENABLE_LIMIT_POWER_TRANSFER_ERROR_PORT_MISMATCH = 3;
+
+    /**
+     * The {@link #enableLimitPowerTransfer} request failed due to other reasons.
+     */
+    public static final int ENABLE_LIMIT_POWER_TRANSFER_ERROR_OTHER = 4;
+
+    /** @hide */
+    @IntDef(prefix = { "ENABLE_LIMIT_POWER_TRANSFER_" }, value = {
+            ENABLE_LIMIT_POWER_TRANSFER_SUCCESS,
+            ENABLE_LIMIT_POWER_TRANSFER_ERROR_INTERNAL,
+            ENABLE_LIMIT_POWER_TRANSFER_ERROR_NOT_SUPPORTED,
+            ENABLE_LIMIT_POWER_TRANSFER_ERROR_PORT_MISMATCH,
+            ENABLE_LIMIT_POWER_TRANSFER_ERROR_OTHER
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    @interface EnableLimitPowerTransferStatus{}
+
     /** @hide */
     public UsbPort(@NonNull UsbManager usbManager, @NonNull String id, int supportedModes,
             int supportedContaminantProtectionModes,
@@ -157,7 +247,7 @@
      * {@link UsbPortStatus#isRoleCombinationSupported UsbPortStatus.isRoleCombinationSupported}.
      * </p><p>
      * Note: This function is asynchronous and may fail silently without applying
-     * the requested changes.  If this function does cause a status change to occur then
+     * the operationed changes.  If this function does cause a status change to occur then
      * a {@link UsbManager#ACTION_USB_PORT_CHANGED} broadcast will be sent.
      * </p>
      *
@@ -177,6 +267,88 @@
     }
 
     /**
+     * Enables/Disables Usb data on the port.
+     *
+     * @param enable When true enables USB data if disabled.
+     *               When false disables USB data if enabled.
+     * @return       {@link #ENABLE_USB_DATA_SUCCESS} when request completes successfully or
+     *               {@link #ENABLE_USB_DATA_ERROR_INTERNAL} when request fails due to internal
+     *               error or
+     *               {@link ENABLE_USB_DATA_ERROR_NOT_SUPPORTED} when not supported or
+     *               {@link ENABLE_USB_DATA_ERROR_PORT_MISMATCH} when request fails due to port id
+     *               mismatch or
+     *               {@link ENABLE_USB_DATA_ERROR_OTHER} when fails due to other reasons.
+     */
+    @CheckResult
+    @RequiresPermission(Manifest.permission.MANAGE_USB)
+    public @EnableUsbDataStatus int enableUsbData(boolean enable) {
+        // UID is added To minimize operationID overlap between two different packages.
+        int operationId = sUsbOperationCount.incrementAndGet() + Binder.getCallingUid();
+        Log.i(TAG, "enableUsbData opId:" + operationId
+                + " callingUid:" + Binder.getCallingUid());
+        UsbOperationInternal opCallback =
+                new UsbOperationInternal(operationId, mId);
+        if (mUsbManager.enableUsbData(this, enable, operationId, opCallback) == true) {
+            opCallback.waitForOperationComplete();
+        }
+
+        int result = opCallback.getStatus();
+        switch (result) {
+            case USB_OPERATION_SUCCESS:
+                return ENABLE_USB_DATA_SUCCESS;
+            case USB_OPERATION_ERROR_INTERNAL:
+                return ENABLE_USB_DATA_ERROR_INTERNAL;
+            case USB_OPERATION_ERROR_NOT_SUPPORTED:
+                return ENABLE_USB_DATA_ERROR_NOT_SUPPORTED;
+            case USB_OPERATION_ERROR_PORT_MISMATCH:
+                return ENABLE_USB_DATA_ERROR_PORT_MISMATCH;
+            default:
+                return ENABLE_USB_DATA_ERROR_OTHER;
+        }
+    }
+
+    /**
+     * Limits power transfer In and out of the port.
+     * <p>
+     * Disables charging and limits sourcing power(when permitted by the USB spec) until
+     * port disconnect event.
+     * </p>
+     * @param enable limits power transfer when true.
+     * @return {@link #ENABLE_LIMIT_POWER_TRANSFER_SUCCESS} when request completes successfully or
+     *         {@link #ENABLE_LIMIT_POWER_TRANSFER_ERROR_INTERNAL} when request fails due to
+     *         internal error or
+     *         {@link ENABLE_LIMIT_POWER_TRANSFER_ERROR_NOT_SUPPORTED} when not supported or
+     *         {@link ENABLE_LIMIT_POWER_TRANSFER_ERROR_PORT_MISMATCH} when request fails due to
+     *         port id mismatch or
+     *         {@link ENABLE_LIMIT_POWER_TRANSFER_ERROR_OTHER} when fails due to other reasons.
+     */
+    @CheckResult
+    @RequiresPermission(Manifest.permission.MANAGE_USB)
+    public @EnableLimitPowerTransferStatus int enableLimitPowerTransfer(boolean enable) {
+        // UID is added To minimize operationID overlap between two different packages.
+        int operationId = sUsbOperationCount.incrementAndGet() + Binder.getCallingUid();
+        Log.i(TAG, "enableLimitPowerTransfer opId:" + operationId
+                + " callingUid:" + Binder.getCallingUid());
+        UsbOperationInternal opCallback =
+                new UsbOperationInternal(operationId, mId);
+        mUsbManager.enableLimitPowerTransfer(this, enable, operationId, opCallback);
+        opCallback.waitForOperationComplete();
+        int result = opCallback.getStatus();
+        switch (result) {
+            case USB_OPERATION_SUCCESS:
+                return ENABLE_LIMIT_POWER_TRANSFER_SUCCESS;
+            case USB_OPERATION_ERROR_INTERNAL:
+                return ENABLE_LIMIT_POWER_TRANSFER_ERROR_INTERNAL;
+            case USB_OPERATION_ERROR_NOT_SUPPORTED:
+                return ENABLE_LIMIT_POWER_TRANSFER_ERROR_NOT_SUPPORTED;
+            case USB_OPERATION_ERROR_PORT_MISMATCH:
+                return ENABLE_LIMIT_POWER_TRANSFER_ERROR_PORT_MISMATCH;
+            default:
+                return ENABLE_LIMIT_POWER_TRANSFER_ERROR_OTHER;
+        }
+    }
+
+    /**
      * @hide
      **/
     public void enableContaminantDetection(boolean enable) {
diff --git a/core/java/android/hardware/usb/UsbPortStatus.java b/core/java/android/hardware/usb/UsbPortStatus.java
index bb7aff6..934c506 100644
--- a/core/java/android/hardware/usb/UsbPortStatus.java
+++ b/core/java/android/hardware/usb/UsbPortStatus.java
@@ -19,7 +19,6 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
-import android.hardware.usb.V1_0.Constants;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -36,27 +35,30 @@
 @Immutable
 @SystemApi
 public final class UsbPortStatus implements Parcelable {
+    private static final String TAG = "UsbPortStatus";
     private final int mCurrentMode;
     private final @UsbPowerRole int mCurrentPowerRole;
     private final @UsbDataRole int mCurrentDataRole;
     private final int mSupportedRoleCombinations;
     private final @ContaminantProtectionStatus int mContaminantProtectionStatus;
     private final @ContaminantDetectionStatus int mContaminantDetectionStatus;
+    private final boolean mUsbDataEnabled;
+    private final boolean mPowerTransferLimited;
 
     /**
      * Power role: This USB port does not have a power role.
      */
-    public static final int POWER_ROLE_NONE = Constants.PortPowerRole.NONE;
+    public static final int POWER_ROLE_NONE = 0;
 
     /**
      * Power role: This USB port can act as a source (provide power).
      */
-    public static final int POWER_ROLE_SOURCE = Constants.PortPowerRole.SOURCE;
+    public static final int POWER_ROLE_SOURCE = 1;
 
     /**
      * Power role: This USB port can act as a sink (receive power).
      */
-    public static final int POWER_ROLE_SINK = Constants.PortPowerRole.SINK;
+    public static final int POWER_ROLE_SINK = 2;
 
     @IntDef(prefix = { "POWER_ROLE_" }, value = {
             POWER_ROLE_NONE,
@@ -69,17 +71,17 @@
     /**
      * Power role: This USB port does not have a data role.
      */
-    public static final int DATA_ROLE_NONE = Constants.PortDataRole.NONE;
+    public static final int DATA_ROLE_NONE = 0;
 
     /**
      * Data role: This USB port can act as a host (access data services).
      */
-    public static final int DATA_ROLE_HOST = Constants.PortDataRole.HOST;
+    public static final int DATA_ROLE_HOST = 1;
 
     /**
      * Data role: This USB port can act as a device (offer data services).
      */
-    public static final int DATA_ROLE_DEVICE = Constants.PortDataRole.DEVICE;
+    public static final int DATA_ROLE_DEVICE = 2;
 
     @IntDef(prefix = { "DATA_ROLE_" }, value = {
             DATA_ROLE_NONE,
@@ -92,15 +94,7 @@
     /**
      * There is currently nothing connected to this USB port.
      */
-    public static final int MODE_NONE = Constants.PortMode.NONE;
-
-    /**
-     * This USB port can act as a downstream facing port (host).
-     *
-     * <p> Implies that the port supports the {@link #POWER_ROLE_SOURCE} and
-     * {@link #DATA_ROLE_HOST} combination of roles (and possibly others as well).
-     */
-    public static final int MODE_DFP = Constants.PortMode.DFP;
+    public static final int MODE_NONE = 0;
 
     /**
      * This USB port can act as an upstream facing port (device).
@@ -108,7 +102,15 @@
      * <p> Implies that the port supports the {@link #POWER_ROLE_SINK} and
      * {@link #DATA_ROLE_DEVICE} combination of roles (and possibly others as well).
      */
-    public static final int MODE_UFP = Constants.PortMode.UFP;
+    public static final int MODE_UFP = 1 << 0;
+
+    /**
+     * This USB port can act as a downstream facing port (host).
+     *
+     * <p> Implies that the port supports the {@link #POWER_ROLE_SOURCE} and
+     * {@link #DATA_ROLE_HOST} combination of roles (and possibly others as well).
+     */
+    public static final int MODE_DFP = 1 << 1;
 
     /**
      * This USB port can act either as an downstream facing port (host) or as
@@ -120,87 +122,76 @@
      *
      * @hide
      */
-    public static final int MODE_DUAL = Constants.PortMode.DRP;
+    public static final int MODE_DUAL = MODE_UFP | MODE_DFP;
 
     /**
      * This USB port can support USB Type-C Audio accessory.
      */
-    public static final int MODE_AUDIO_ACCESSORY =
-            android.hardware.usb.V1_1.Constants.PortMode_1_1.AUDIO_ACCESSORY;
+    public static final int MODE_AUDIO_ACCESSORY = 1 << 2;
 
     /**
      * This USB port can support USB Type-C debug accessory.
      */
-    public static final int MODE_DEBUG_ACCESSORY =
-            android.hardware.usb.V1_1.Constants.PortMode_1_1.DEBUG_ACCESSORY;
+    public static final int MODE_DEBUG_ACCESSORY = 1 << 3;
 
    /**
      * Contaminant presence detection not supported by the device.
      * @hide
      */
-    public static final int CONTAMINANT_DETECTION_NOT_SUPPORTED =
-            android.hardware.usb.V1_2.Constants.ContaminantDetectionStatus.NOT_SUPPORTED;
+    public static final int CONTAMINANT_DETECTION_NOT_SUPPORTED = 0;
 
     /**
      * Contaminant presence detection supported but disabled.
      * @hide
      */
-    public static final int CONTAMINANT_DETECTION_DISABLED =
-            android.hardware.usb.V1_2.Constants.ContaminantDetectionStatus.DISABLED;
+    public static final int CONTAMINANT_DETECTION_DISABLED = 1;
 
     /**
      * Contaminant presence enabled but not detected.
      * @hide
      */
-    public static final int CONTAMINANT_DETECTION_NOT_DETECTED =
-            android.hardware.usb.V1_2.Constants.ContaminantDetectionStatus.NOT_DETECTED;
+    public static final int CONTAMINANT_DETECTION_NOT_DETECTED = 2;
 
     /**
      * Contaminant presence enabled and detected.
      * @hide
      */
-    public static final int CONTAMINANT_DETECTION_DETECTED =
-            android.hardware.usb.V1_2.Constants.ContaminantDetectionStatus.DETECTED;
+    public static final int CONTAMINANT_DETECTION_DETECTED = 3;
 
     /**
      * Contaminant protection - No action performed upon detection of
      * contaminant presence.
      * @hide
      */
-    public static final int CONTAMINANT_PROTECTION_NONE =
-            android.hardware.usb.V1_2.Constants.ContaminantProtectionStatus.NONE;
+    public static final int CONTAMINANT_PROTECTION_NONE = 0;
 
     /**
      * Contaminant protection - Port is forced to sink upon detection of
      * contaminant presence.
      * @hide
      */
-    public static final int CONTAMINANT_PROTECTION_SINK =
-            android.hardware.usb.V1_2.Constants.ContaminantProtectionStatus.FORCE_SINK;
+    public static final int CONTAMINANT_PROTECTION_SINK = 1 << 0;
 
     /**
      * Contaminant protection - Port is forced to source upon detection of
      * contaminant presence.
      * @hide
      */
-    public static final int CONTAMINANT_PROTECTION_SOURCE =
-            android.hardware.usb.V1_2.Constants.ContaminantProtectionStatus.FORCE_SOURCE;
+    public static final int CONTAMINANT_PROTECTION_SOURCE = 1 << 1;
 
     /**
      * Contaminant protection - Port is disabled upon detection of
      * contaminant presence.
      * @hide
      */
-    public static final int CONTAMINANT_PROTECTION_FORCE_DISABLE =
-            android.hardware.usb.V1_2.Constants.ContaminantProtectionStatus.FORCE_DISABLE;
+    public static final int CONTAMINANT_PROTECTION_FORCE_DISABLE = 1 << 2;
 
     /**
      * Contaminant protection - Port is disabled upon detection of
      * contaminant presence.
      * @hide
      */
-    public static final int CONTAMINANT_PROTECTION_DISABLED =
-            android.hardware.usb.V1_2.Constants.ContaminantProtectionStatus.DISABLED;
+    public static final int CONTAMINANT_PROTECTION_DISABLED = 1 << 3;
 
     @IntDef(prefix = { "CONTAMINANT_DETECTION_" }, value = {
             CONTAMINANT_DETECTION_NOT_SUPPORTED,
@@ -234,6 +225,21 @@
     /** @hide */
     public UsbPortStatus(int currentMode, int currentPowerRole, int currentDataRole,
             int supportedRoleCombinations, int contaminantProtectionStatus,
+            int contaminantDetectionStatus, boolean usbDataEnabled,
+            boolean powerTransferLimited) {
+        mCurrentMode = currentMode;
+        mCurrentPowerRole = currentPowerRole;
+        mCurrentDataRole = currentDataRole;
+        mSupportedRoleCombinations = supportedRoleCombinations;
+        mContaminantProtectionStatus = contaminantProtectionStatus;
+        mContaminantDetectionStatus = contaminantDetectionStatus;
+        mUsbDataEnabled = usbDataEnabled;
+        mPowerTransferLimited = powerTransferLimited;
+    }
+
+    /** @hide */
+    public UsbPortStatus(int currentMode, int currentPowerRole, int currentDataRole,
+            int supportedRoleCombinations, int contaminantProtectionStatus,
             int contaminantDetectionStatus) {
         mCurrentMode = currentMode;
         mCurrentPowerRole = currentPowerRole;
@@ -241,6 +247,8 @@
         mSupportedRoleCombinations = supportedRoleCombinations;
         mContaminantProtectionStatus = contaminantProtectionStatus;
         mContaminantDetectionStatus = contaminantDetectionStatus;
+        mUsbDataEnabled = true;
+        mPowerTransferLimited = false;
     }
 
     /**
@@ -323,6 +331,25 @@
         return mContaminantProtectionStatus;
     }
 
+    /**
+     * Returns UsbData status.
+     *
+     * @hide
+     */
+    public boolean getUsbDataStatus() {
+        return mUsbDataEnabled;
+    }
+
+    /**
+     * Returns whether power transfer is limited.
+     *
+     * @return true when power transfer is limited.
+     *         false otherwise.
+     */
+    public boolean isPowerTransferLimited() {
+        return mPowerTransferLimited;
+    }
+
     @NonNull
     @Override
     public String toString() {
@@ -336,6 +363,10 @@
                         + getContaminantDetectionStatus()
                 + ", contaminantProtectionStatus="
                         + getContaminantProtectionStatus()
+                + ", usbDataEnabled="
+                        + getUsbDataStatus()
+                + ", isPowerTransferLimited="
+                        + isPowerTransferLimited()
                 + "}";
     }
 
@@ -352,6 +383,8 @@
         dest.writeInt(mSupportedRoleCombinations);
         dest.writeInt(mContaminantProtectionStatus);
         dest.writeInt(mContaminantDetectionStatus);
+        dest.writeBoolean(mUsbDataEnabled);
+        dest.writeBoolean(mPowerTransferLimited);
     }
 
     public static final @NonNull Parcelable.Creator<UsbPortStatus> CREATOR =
@@ -364,9 +397,11 @@
             int supportedRoleCombinations = in.readInt();
             int contaminantProtectionStatus = in.readInt();
             int contaminantDetectionStatus = in.readInt();
+            boolean usbDataEnabled = in.readBoolean();
+            boolean powerTransferLimited = in.readBoolean();
             return new UsbPortStatus(currentMode, currentPowerRole, currentDataRole,
                     supportedRoleCombinations, contaminantProtectionStatus,
-                    contaminantDetectionStatus);
+                    contaminantDetectionStatus, usbDataEnabled, powerTransferLimited);
         }
 
         @Override
diff --git a/core/java/android/inputmethodservice/IInputMethodWrapper.java b/core/java/android/inputmethodservice/IInputMethodWrapper.java
index 6f15588..cc325cd 100644
--- a/core/java/android/inputmethodservice/IInputMethodWrapper.java
+++ b/core/java/android/inputmethodservice/IInputMethodWrapper.java
@@ -72,7 +72,6 @@
     private static final int DO_START_INPUT = 32;
     private static final int DO_CREATE_SESSION = 40;
     private static final int DO_SET_SESSION_ENABLED = 45;
-    private static final int DO_REVOKE_SESSION = 50;
     private static final int DO_SHOW_SOFT_INPUT = 60;
     private static final int DO_HIDE_SOFT_INPUT = 70;
     private static final int DO_CHANGE_INPUTMETHOD_SUBTYPE = 80;
@@ -215,9 +214,6 @@
                 inputMethod.setSessionEnabled((InputMethodSession)msg.obj,
                         msg.arg1 != 0);
                 return;
-            case DO_REVOKE_SESSION:
-                inputMethod.revokeSession((InputMethodSession)msg.obj);
-                return;
             case DO_SHOW_SOFT_INPUT: {
                 final SomeArgs args = (SomeArgs)msg.obj;
                 inputMethod.showSoftInputWithToken(
@@ -368,22 +364,6 @@
 
     @BinderThread
     @Override
-    public void revokeSession(IInputMethodSession session) {
-        try {
-            InputMethodSession ls = ((IInputMethodSessionWrapper)
-                    session).getInternalInputMethodSession();
-            if (ls == null) {
-                Log.w(TAG, "Session is already finished: " + session);
-                return;
-            }
-            mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_REVOKE_SESSION, ls));
-        } catch (ClassCastException e) {
-            Log.w(TAG, "Incoming session not of correct type: " + session, e);
-        }
-    }
-
-    @BinderThread
-    @Override
     public void showSoftInput(IBinder showInputToken, int flags, ResultReceiver resultReceiver) {
         mCaller.executeOrSendMessage(mCaller.obtainMessageIOO(DO_SHOW_SOFT_INPUT,
                 flags, showInputToken, resultReceiver));
diff --git a/core/java/android/os/BatteryStats.java b/core/java/android/os/BatteryStats.java
index 4666c5c..2d33817 100644
--- a/core/java/android/os/BatteryStats.java
+++ b/core/java/android/os/BatteryStats.java
@@ -3406,6 +3406,11 @@
     public abstract WakeLockStats getWakeLockStats();
 
     /**
+     * Returns aggregated Bluetooth stats.
+     */
+    public abstract BluetoothBatteryStats getBluetoothBatteryStats();
+
+    /**
      * Returns Timers tracking the total time of each Resource Power Manager state and voter.
      */
     public abstract Map<String, ? extends Timer> getRpmStats();
diff --git a/core/java/android/os/BatteryStatsManager.java b/core/java/android/os/BatteryStatsManager.java
index 6339435..2a609b8 100644
--- a/core/java/android/os/BatteryStatsManager.java
+++ b/core/java/android/os/BatteryStatsManager.java
@@ -368,6 +368,21 @@
     }
 
     /**
+     * Retrieves accumulated bluetooth stats.
+     *
+     * @hide
+     */
+    @RequiresPermission(android.Manifest.permission.BATTERY_STATS)
+    @NonNull
+    public BluetoothBatteryStats getBluetoothBatteryStats() {
+        try {
+            return mBatteryStats.getBluetoothBatteryStats();
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
      * Indicates an app acquiring full wifi lock.
      *
      * @param ws worksource (to be used for battery blaming).
diff --git a/core/java/android/os/BluetoothBatteryStats.aidl b/core/java/android/os/BluetoothBatteryStats.aidl
new file mode 100644
index 0000000..d0514b6
--- /dev/null
+++ b/core/java/android/os/BluetoothBatteryStats.aidl
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.os;
+
+/** {@hide} */
+parcelable BluetoothBatteryStats;
diff --git a/core/java/android/os/BluetoothBatteryStats.java b/core/java/android/os/BluetoothBatteryStats.java
new file mode 100644
index 0000000..3d99a08
--- /dev/null
+++ b/core/java/android/os/BluetoothBatteryStats.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.os;
+
+import android.annotation.NonNull;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Snapshot of Bluetooth battery stats.
+ *
+ * @hide
+ */
+public class BluetoothBatteryStats implements Parcelable {
+
+    /** @hide */
+    public static class UidStats {
+        public final int uid;
+        public final long scanTimeMs;
+        public final long unoptimizedScanTimeMs;
+        public final int scanResultCount;
+        public final long rxTimeMs;
+        public final long txTimeMs;
+
+        public UidStats(int uid, long scanTimeMs, long unoptimizedScanTimeMs, int scanResultCount,
+                long rxTimeMs, long txTimeMs) {
+            this.uid = uid;
+            this.scanTimeMs = scanTimeMs;
+            this.unoptimizedScanTimeMs = unoptimizedScanTimeMs;
+            this.scanResultCount = scanResultCount;
+            this.rxTimeMs = rxTimeMs;
+            this.txTimeMs = txTimeMs;
+        }
+
+        private UidStats(Parcel in) {
+            uid = in.readInt();
+            scanTimeMs = in.readLong();
+            unoptimizedScanTimeMs = in.readLong();
+            scanResultCount = in.readInt();
+            rxTimeMs = in.readLong();
+            txTimeMs = in.readLong();
+        }
+
+        private void writeToParcel(Parcel out) {
+            out.writeInt(uid);
+            out.writeLong(scanTimeMs);
+            out.writeLong(unoptimizedScanTimeMs);
+            out.writeInt(scanResultCount);
+            out.writeLong(rxTimeMs);
+            out.writeLong(txTimeMs);
+        }
+
+        @Override
+        public String toString() {
+            return "UidStats{"
+                    + "uid=" + uid
+                    + ", scanTimeMs=" + scanTimeMs
+                    + ", unoptimizedScanTimeMs=" + unoptimizedScanTimeMs
+                    + ", scanResultCount=" + scanResultCount
+                    + ", rxTimeMs=" + rxTimeMs
+                    + ", txTimeMs=" + txTimeMs
+                    + '}';
+        }
+    }
+
+    private final List<UidStats> mUidStats;
+
+    public BluetoothBatteryStats(@NonNull List<UidStats> uidStats) {
+        mUidStats = uidStats;
+    }
+
+    @NonNull
+    public List<UidStats> getUidStats() {
+        return mUidStats;
+    }
+
+    protected BluetoothBatteryStats(Parcel in) {
+        final int size = in.readInt();
+        mUidStats = new ArrayList<>(size);
+        for (int i = 0; i < size; i++) {
+            mUidStats.add(new UidStats(in));
+        }
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel out, int flags) {
+        final int size = mUidStats.size();
+        out.writeInt(size);
+        for (int i = 0; i < size; i++) {
+            UidStats stats = mUidStats.get(i);
+            stats.writeToParcel(out);
+        }
+    }
+
+    public static final Creator<BluetoothBatteryStats> CREATOR =
+            new Creator<BluetoothBatteryStats>() {
+                @Override
+                public BluetoothBatteryStats createFromParcel(Parcel in) {
+                    return new BluetoothBatteryStats(in);
+                }
+
+                @Override
+                public BluetoothBatteryStats[] newArray(int size) {
+                    return new BluetoothBatteryStats[size];
+                }
+            };
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+}
diff --git a/core/java/android/os/TEST_MAPPING b/core/java/android/os/TEST_MAPPING
index 07f4082..22ddbcc 100644
--- a/core/java/android/os/TEST_MAPPING
+++ b/core/java/android/os/TEST_MAPPING
@@ -31,15 +31,6 @@
       ]
     },
     {
-      "file_patterns": ["Environment\\.java"],
-      "name": "FrameworksServicesTests",
-      "options": [
-        {
-          "include-filter": "com.android.server.pm.parsing.PackageInfoUserFieldsTest"
-        }
-      ]
-    },
-    {
       "file_patterns": [
         "BatteryStats[^/]*\\.java",
         "BatteryUsageStats[^/]*\\.java",
diff --git a/core/java/android/os/UserManager.java b/core/java/android/os/UserManager.java
index 190f5f1..f18c9c9 100644
--- a/core/java/android/os/UserManager.java
+++ b/core/java/android/os/UserManager.java
@@ -16,6 +16,9 @@
 
 package android.os;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_BADGED_LABEL;
+import static android.app.admin.DevicePolicyResources.Strings.UNDEFINED;
+
 import android.Manifest;
 import android.accounts.AccountManager;
 import android.annotation.ColorInt;
@@ -820,6 +823,20 @@
     public static final String DISALLOW_ADD_MANAGED_PROFILE = "no_add_managed_profile";
 
     /**
+     * Specifies if a user is disallowed from creating clone profile.
+     * <p>The default value for an unmanaged user is <code>false</code>.
+     * For users with a device owner set, the default is <code>true</code>.
+     *
+     * <p>Key for user restrictions.
+     * <p>Type: Boolean
+     * @see DevicePolicyManager#addUserRestriction(ComponentName, String)
+     * @see DevicePolicyManager#clearUserRestriction(ComponentName, String)
+     * @see #getUserRestrictions()
+     * @hide
+     */
+    public static final String DISALLOW_ADD_CLONE_PROFILE = "no_add_clone_profile";
+
+    /**
      * Specifies if a user is disallowed from disabling application verification. The default
      * value is <code>false</code>.
      *
@@ -1497,6 +1514,7 @@
             DISALLOW_FACTORY_RESET,
             DISALLOW_ADD_USER,
             DISALLOW_ADD_MANAGED_PROFILE,
+            DISALLOW_ADD_CLONE_PROFILE,
             ENSURE_VERIFY_APPS,
             DISALLOW_CONFIG_CELL_BROADCASTS,
             DISALLOW_CONFIG_MOBILE_NETWORKS,
@@ -4645,6 +4663,18 @@
         if (!hasBadge(userId)) {
             return label;
         }
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(
+                getUpdatableUserBadgedLabelId(userId),
+                () -> getDefaultUserBadgedLabel(label, userId),
+                /* formatArgs= */ label);
+    }
+
+    private String getUpdatableUserBadgedLabelId(int userId) {
+        return isManagedProfile(userId) ? WORK_PROFILE_BADGED_LABEL : UNDEFINED;
+    }
+
+    private String getDefaultUserBadgedLabel(CharSequence label, int userId) {
         try {
             final int resourceId = mService.getUserBadgeLabelResId(userId);
             return Resources.getSystem().getString(resourceId, label);
diff --git a/core/java/android/provider/DeviceConfig.java b/core/java/android/provider/DeviceConfig.java
index c966b1a..87f4489 100644
--- a/core/java/android/provider/DeviceConfig.java
+++ b/core/java/android/provider/DeviceConfig.java
@@ -694,6 +694,15 @@
     @SystemApi
     public static final String NAMESPACE_UWB = "uwb";
 
+    /**
+     * Namespace for AmbientContextEventManagerService related features.
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final String NAMESPACE_AMBIENT_CONTEXT_MANAGER_SERVICE =
+            "ambient_context_manager_service";
+
     private static final Object sLock = new Object();
     @GuardedBy("sLock")
     private static ArrayMap<OnPropertiesChangedListener, Pair<String, Executor>> sListeners =
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index be2e3b2..3f54408 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -10602,6 +10602,14 @@
                 "communal_mode_trusted_networks";
 
         /**
+         * Setting to allow Fast Pair scans to be enabled.
+         * @hide
+         */
+        @SystemApi
+        @Readable
+        public static final String FAST_PAIR_SCAN_ENABLED = "fast_pair_scan_enabled";
+
+        /**
          * These entries are considered common between the personal and the managed profile,
          * since the managed profile doesn't get to change them.
          */
diff --git a/core/java/android/service/ambientcontext/AmbientContextDetectionService.java b/core/java/android/service/ambientcontext/AmbientContextDetectionService.java
new file mode 100644
index 0000000..dccfe36
--- /dev/null
+++ b/core/java/android/service/ambientcontext/AmbientContextDetectionService.java
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.service.ambientcontext;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.app.Service;
+import android.app.ambientcontext.AmbientContextEvent;
+import android.app.ambientcontext.AmbientContextEventRequest;
+import android.app.ambientcontext.AmbientContextEventResponse;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.os.RemoteCallback;
+import android.util.Slog;
+
+import java.util.Objects;
+import java.util.function.Consumer;
+
+/**
+ * Abstract base class for {@link AmbientContextEvent} detection service.
+ *
+ * <p> A service that provides requested ambient context events to the system.
+ * The system's default AmbientContextDetectionService implementation is configured in
+ * {@code config_defaultAmbientContextDetectionService}. If this config has no value, a stub is
+ * returned.
+ *
+ * See: {@code AmbientContextManagerService}.
+ *
+ * <pre>
+ * {@literal
+ * <service android:name=".YourAmbientContextDetectionService"
+ *          android:permission="android.permission.BIND_AMBIENT_CONTEXT_DETECTION_SERVICE">
+ * </service>}
+ * </pre>
+ *
+ * @hide
+ */
+@SystemApi
+public abstract class AmbientContextDetectionService extends Service {
+    private static final String TAG = AmbientContextDetectionService.class.getSimpleName();
+
+    /**
+     * The {@link Intent} that must be declared as handled by the service. To be supported, the
+     * service must also require the
+     * {@link android.Manifest.permission#BIND_AMBIENT_CONTEXT_DETECTION_SERVICE}
+     * permission so that other applications can not abuse it.
+     */
+    public static final String SERVICE_INTERFACE =
+            "android.service.ambientcontext.AmbientContextDetectionService";
+
+    /**
+     * The key for the bundle the parameter of {@code RemoteCallback#sendResult}. Implementation
+     * should set bundle result with this key.
+     *
+     * @hide
+     */
+    public static final String RESPONSE_BUNDLE_KEY =
+            "android.service.ambientcontext.EventResponseKey";
+
+    @Nullable
+    @Override
+    public final IBinder onBind(@NonNull Intent intent) {
+        if (SERVICE_INTERFACE.equals(intent.getAction())) {
+            return new IAmbientContextDetectionService.Stub() {
+                /** {@inheritDoc} */
+                @Override
+                public void startDetection(
+                        @NonNull AmbientContextEventRequest request, String packageName,
+                        RemoteCallback callback) {
+                    Objects.requireNonNull(request);
+                    Objects.requireNonNull(callback);
+                    Consumer<AmbientContextEventResponse> consumer =
+                            response -> {
+                                Bundle bundle = new Bundle();
+                                bundle.putParcelable(
+                                        AmbientContextDetectionService.RESPONSE_BUNDLE_KEY,
+                                        response);
+                                callback.sendResult(bundle);
+                            };
+                    AmbientContextDetectionService.this.onStartDetection(
+                            request, packageName, consumer);
+                    Slog.d(TAG, "startDetection " + request);
+                }
+
+                /** {@inheritDoc} */
+                @Override
+                public void stopDetection(String packageName) {
+                    Objects.requireNonNull(packageName);
+                    AmbientContextDetectionService.this.onStopDetection(packageName);
+                }
+            };
+        }
+        return null;
+    }
+
+    /**
+     * Starts detection and provides detected events to the consumer. The ongoing detection will
+     * keep running, until onStopDetection is called. If there were previously requested
+     * detection from the same package, the previous request will be replaced with the new request.
+     * The implementation should keep track of whether the user consented each requested
+     * AmbientContextEvent for the app. If not consented, the response should set status
+     * STATUS_ACCESS_DENIED and include an action PendingIntent for the app to redirect the user
+     * to the consent screen.
+     *
+     * @param request The request with events to detect, optional detection window and other
+     *                options.
+     * @param packageName the requesting app's package name
+     * @param consumer the consumer for the detected event
+     */
+    public abstract void onStartDetection(
+            @NonNull AmbientContextEventRequest request,
+            @NonNull String packageName,
+            @NonNull Consumer<AmbientContextEventResponse> consumer);
+
+    /**
+     * Stops detection of the events. Events that are not being detected will be ignored.
+     *
+     * @param packageName stops detection for the given package.
+     */
+    public abstract void onStopDetection(@NonNull String packageName);
+}
diff --git a/core/java/android/service/ambientcontext/IAmbientContextDetectionService.aidl b/core/java/android/service/ambientcontext/IAmbientContextDetectionService.aidl
new file mode 100644
index 0000000..1c6e25e
--- /dev/null
+++ b/core/java/android/service/ambientcontext/IAmbientContextDetectionService.aidl
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.service.ambientcontext;
+
+import android.app.ambientcontext.AmbientContextEventRequest;
+import android.os.RemoteCallback;
+
+/**
+ * Interface for a concrete implementation to provide AmbientContextEvents to the framework.
+ *
+ * @hide
+ */
+oneway interface IAmbientContextDetectionService {
+    void startDetection(in AmbientContextEventRequest request, in String packageName,
+        in RemoteCallback callback);
+    void stopDetection(in String packageName);
+}
\ No newline at end of file
diff --git a/core/java/android/service/ambientcontext/OWNERS b/core/java/android/service/ambientcontext/OWNERS
new file mode 100644
index 0000000..a863297
--- /dev/null
+++ b/core/java/android/service/ambientcontext/OWNERS
@@ -0,0 +1,3 @@
+enxun@google.com
+kxchen@google.com
+tgadh@google.com
diff --git a/core/java/android/service/games/GameSession.java b/core/java/android/service/games/GameSession.java
index b6fe067..cb5c19b 100644
--- a/core/java/android/service/games/GameSession.java
+++ b/core/java/android/service/games/GameSession.java
@@ -18,6 +18,7 @@
 
 import android.annotation.Hide;
 import android.annotation.IntDef;
+import android.annotation.MainThread;
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.content.Context;
@@ -25,6 +26,7 @@
 import android.graphics.Bitmap;
 import android.graphics.Rect;
 import android.os.Handler;
+import android.os.Looper;
 import android.os.RemoteException;
 import android.util.Slog;
 import android.view.SurfaceControlViewHost;
@@ -47,21 +49,65 @@
  * which is then returned when a game session is created via
  * {@link GameSessionService#onNewSession(CreateGameSessionRequest)}.
  *
+ * This class exposes various lifecycle methods which are guaranteed to be called in the following
+ * fashion:
+ *
+ * {@link #onCreate()}: Will always be the first lifecycle method to be called, once the game
+ * session is created.
+ *
+ * {@link #onGameTaskFocusChanged(boolean)}: Will be called after {@link #onCreate()} with
+ * focused=true when the game task first comes into focus (if it does). If the game task is focused
+ * when the game session is created, this method will be called immediately after
+ * {@link #onCreate()} with focused=true. After this method is called with focused=true, it will be
+ * called again with focused=false when the task goes out of focus. If this method is ever called
+ * with focused=true, it is guaranteed to be called again with focused=false before
+ * {@link #onDestroy()} is called. If the game task never comes into focus during the session
+ * lifetime, this method will never be called.
+ *
+ * {@link #onDestroy()}: Will always be called after {@link #onCreate()}. If the game task ever
+ * comes into focus before the game session is destroyed, then this method will be called after one
+ * or more pairs of calls to {@link #onGameTaskFocusChanged(boolean)}.
+ *
  * @hide
  */
 @SystemApi
 public abstract class GameSession {
-
     private static final String TAG = "GameSession";
+    private static final boolean DEBUG = false;
 
     final IGameSession mInterface = new IGameSession.Stub() {
         @Override
-        public void destroy() {
+        public void onDestroyed() {
             Handler.getMain().executeOrSendMessage(PooledLambda.obtainMessage(
                     GameSession::doDestroy, GameSession.this));
         }
+
+        @Override
+        public void onTaskFocusChanged(boolean focused) {
+            Handler.getMain().executeOrSendMessage(PooledLambda.obtainMessage(
+                    GameSession::moveToState, GameSession.this,
+                    focused ? LifecycleState.TASK_FOCUSED : LifecycleState.TASK_UNFOCUSED));
+        }
     };
 
+    /**
+     * @hide
+     */
+    @VisibleForTesting
+    public enum LifecycleState {
+        // Initial state; may transition to CREATED.
+        INITIALIZED,
+        // May transition to TASK_FOCUSED or DESTROYED.
+        CREATED,
+        // May transition to TASK_UNFOCUSED.
+        TASK_FOCUSED,
+        // May transition to TASK_FOCUSED or DESTROYED.
+        TASK_UNFOCUSED,
+        // May not transition once reached.
+        DESTROYED
+    }
+
+    private LifecycleState mLifecycleState = LifecycleState.INITIALIZED;
     private IGameSessionController mGameSessionController;
     private int mTaskId;
     private GameSessionRootView mGameSessionRootView;
@@ -87,13 +133,93 @@
 
     @Hide
     void doCreate() {
-        onCreate();
+        moveToState(LifecycleState.CREATED);
     }
 
     @Hide
     void doDestroy() {
-        onDestroy();
         mSurfaceControlViewHost.release();
+        moveToState(LifecycleState.DESTROYED);
+    }
+
+    /**
+     * @hide
+     */
+    @VisibleForTesting
+    @MainThread
+    public void moveToState(LifecycleState newLifecycleState) {
+        if (DEBUG) {
+            Slog.d(TAG, "moveToState: " + mLifecycleState + " -> " + newLifecycleState);
+        }
+
+        if (Looper.myLooper() != Looper.getMainLooper()) {
+            throw new RuntimeException("moveToState should be used only from the main thread");
+        }
+
+        if (mLifecycleState == newLifecycleState) {
+            // Nothing to do.
+            return;
+        }
+
+        switch (mLifecycleState) {
+            case INITIALIZED:
+                if (newLifecycleState == LifecycleState.CREATED) {
+                    onCreate();
+                } else if (newLifecycleState == LifecycleState.DESTROYED) {
+                    onCreate();
+                    onDestroy();
+                } else {
+                    if (DEBUG) {
+                        Slog.d(TAG, "Ignoring moveToState: INITIALIZED -> " + newLifecycleState);
+                    }
+                    return;
+                }
+                break;
+            case CREATED:
+                if (newLifecycleState == LifecycleState.TASK_FOCUSED) {
+                    onGameTaskFocusChanged(/*focused=*/ true);
+                } else if (newLifecycleState == LifecycleState.DESTROYED) {
+                    onDestroy();
+                } else {
+                    if (DEBUG) {
+                        Slog.d(TAG, "Ignoring moveToState: CREATED -> " + newLifecycleState);
+                    }
+                    return;
+                }
+                break;
+            case TASK_FOCUSED:
+                if (newLifecycleState == LifecycleState.TASK_UNFOCUSED) {
+                    onGameTaskFocusChanged(/*focused=*/ false);
+                } else if (newLifecycleState == LifecycleState.DESTROYED) {
+                    onGameTaskFocusChanged(/*focused=*/ false);
+                    onDestroy();
+                } else {
+                    if (DEBUG) {
+                        Slog.d(TAG, "Ignoring moveToState: TASK_FOCUSED -> " + newLifecycleState);
+                    }
+                    return;
+                }
+                break;
+            case TASK_UNFOCUSED:
+                if (newLifecycleState == LifecycleState.TASK_FOCUSED) {
+                    onGameTaskFocusChanged(/*focused=*/ true);
+                } else if (newLifecycleState == LifecycleState.DESTROYED) {
+                    onDestroy();
+                } else {
+                    if (DEBUG) {
+                        Slog.d(TAG, "Ignoring moveToState: TASK_UNFOCUSED -> " + newLifecycleState);
+                    }
+                    return;
+                }
+                break;
+            case DESTROYED:
+                if (DEBUG) {
+                    Slog.d(TAG, "Ignoring moveToState: DESTROYED -> " + newLifecycleState);
+                }
+                return;
+        }
+
+        mLifecycleState = newLifecycleState;
     }
 
     /**
@@ -105,13 +231,27 @@
     }
 
     /**
-     * Finalizer called when the game session is ending.
+     * Finalizer called when the game session is ending. This method will always be called after a
+     * call to {@link #onCreate()}. If the game task is ever in focus, this method will be called
+     * after one or more pairs of calls to {@link #onGameTaskFocusChanged(boolean)}.
      *
      * This should be used to perform any cleanup before the game session is destroyed.
      */
     public void onDestroy() {
     }
 
+    /**
+     * Called when the game task for this session is or unfocused. The initial call to this method
+     * will always come after a call to {@link #onCreate()} with focused=true (when the game task
+     * first comes into focus after the session is created, or immediately after the session is
+     * created if the game task is already focused).
+     *
+     * This should be used to perform any setup required when the game task comes into focus or any
+     * cleanup that is required when the game task goes out of focus.
+     *
+     * @param focused True if the game task is focused, false if the game task is unfocused.
+     */
+    public void onGameTaskFocusChanged(boolean focused) {}
 
     /**
      * Sets the task overlay content to an explicit view. This view is placed directly into the game
diff --git a/core/java/android/service/games/IGameSession.aidl b/core/java/android/service/games/IGameSession.aidl
index b2e9f1d..71da630 100644
--- a/core/java/android/service/games/IGameSession.aidl
+++ b/core/java/android/service/games/IGameSession.aidl
@@ -20,5 +20,6 @@
  * @hide
  */
 oneway interface IGameSession {
-    void destroy();
+    void onDestroyed();
+    void onTaskFocusChanged(boolean focused);
 }
diff --git a/core/java/android/service/wallpaper/WallpaperService.java b/core/java/android/service/wallpaper/WallpaperService.java
index 0084054..dd4355d 100644
--- a/core/java/android/service/wallpaper/WallpaperService.java
+++ b/core/java/android/service/wallpaper/WallpaperService.java
@@ -278,6 +278,7 @@
         private Display mDisplay;
         private Context mDisplayContext;
         private int mDisplayState;
+        private @Surface.Rotation int mDisplayInstallOrientation;
         private float mWallpaperDimAmount = 0.05f;
         private float mPreviousWallpaperDimAmount = mWallpaperDimAmount;
         private float mDefaultDimAmount = mWallpaperDimAmount;
@@ -1122,6 +1123,11 @@
                             mWindow, mLayout, mWidth, mHeight,
                             View.VISIBLE, 0, -1, mWinFrames, mMergedConfiguration, mSurfaceControl,
                             mInsetsState, mTempControls, mSurfaceSize);
+
+                    final int transformHint = SurfaceControl.rotationToBufferTransform(
+                            (mDisplayInstallOrientation + mDisplay.getRotation()) % 4);
+                    mSurfaceControl.setTransformHint(transformHint);
+
                     if (mSurfaceControl.isValid()) {
                         if (mBbqSurfaceControl == null) {
                             mBbqSurfaceControl = new SurfaceControl.Builder()
@@ -1135,9 +1141,9 @@
                                     .build();
                             updateSurfaceDimming();
                         }
-                        // Propagate transform hint from WM so we can use the right hint for the
+                        // Propagate transform hint from WM, so we can use the right hint for the
                         // first frame.
-                        mBbqSurfaceControl.setTransformHint(mSurfaceControl.getTransformHint());
+                        mBbqSurfaceControl.setTransformHint(transformHint);
                         Surface blastSurface = getOrCreateBLASTSurface(mSurfaceSize.x,
                                 mSurfaceSize.y, mFormat);
                         // If blastSurface == null that means it hasn't changed since the last
@@ -1377,6 +1383,7 @@
             mWallpaperDimAmount = mDefaultDimAmount;
             mPreviousWallpaperDimAmount = mWallpaperDimAmount;
             mDisplayState = mDisplay.getState();
+            mDisplayInstallOrientation = mDisplay.getInstallOrientation();
 
             if (DEBUG) Log.v(TAG, "onCreate(): " + this);
             onCreate(mSurfaceHolder);
diff --git a/core/java/android/service/wallpapereffectsgeneration/OWNERS b/core/java/android/service/wallpapereffectsgeneration/OWNERS
new file mode 100644
index 0000000..d2d3e2c0
--- /dev/null
+++ b/core/java/android/service/wallpapereffectsgeneration/OWNERS
@@ -0,0 +1,4 @@
+susharon@google.com
+shanh@google.com
+huiwu@google.com
+srazdan@google.com
diff --git a/core/java/android/util/FeatureFlagUtils.java b/core/java/android/util/FeatureFlagUtils.java
index 52f1fae..96a1fc6 100644
--- a/core/java/android/util/FeatureFlagUtils.java
+++ b/core/java/android/util/FeatureFlagUtils.java
@@ -81,6 +81,7 @@
         DEFAULT_FLAGS.put(SETTINGS_USE_NEW_BACKUP_ELIGIBILITY_RULES, "true");
         DEFAULT_FLAGS.put(SETTINGS_ENABLE_SECURITY_HUB, "true");
         DEFAULT_FLAGS.put(SETTINGS_SUPPORT_LARGE_SCREEN, "true");
+        DEFAULT_FLAGS.put("settings_search_always_expand", "false");
         DEFAULT_FLAGS.put(SETTINGS_APP_LANGUAGE_SELECTION, "false");
         DEFAULT_FLAGS.put(SETTINGS_ENABLE_MONITOR_PHANTOM_PROCS, "true");
     }
diff --git a/core/java/android/view/Display.java b/core/java/android/view/Display.java
index 70266c1..d6e074f 100644
--- a/core/java/android/view/Display.java
+++ b/core/java/android/view/Display.java
@@ -928,6 +928,18 @@
     }
 
     /**
+     * Returns the install orientation of the display.
+     * @hide
+     */
+    @Surface.Rotation
+    public int getInstallOrientation() {
+        synchronized (mLock) {
+            updateDisplayInfoLocked();
+            return mDisplayInfo.installOrientation;
+        }
+    }
+
+    /**
      * @deprecated use {@link #getRotation}
      * @return orientation of this display.
      */
diff --git a/core/java/android/view/DisplayInfo.java b/core/java/android/view/DisplayInfo.java
index 678c80a..6917d66 100644
--- a/core/java/android/view/DisplayInfo.java
+++ b/core/java/android/view/DisplayInfo.java
@@ -318,6 +318,12 @@
     @Nullable
     public RoundedCorners roundedCorners;
 
+    /**
+     * Install orientation of the display relative to its natural orientation.
+     */
+    @Surface.Rotation
+    public int installOrientation;
+
     public static final @android.annotation.NonNull Creator<DisplayInfo> CREATOR = new Creator<DisplayInfo>() {
         @Override
         public DisplayInfo createFromParcel(Parcel source) {
@@ -389,7 +395,8 @@
                 && brightnessMaximum == other.brightnessMaximum
                 && brightnessDefault == other.brightnessDefault
                 && Objects.equals(roundedCorners, other.roundedCorners)
-                && shouldConstrainMetricsForLauncher == other.shouldConstrainMetricsForLauncher;
+                && shouldConstrainMetricsForLauncher == other.shouldConstrainMetricsForLauncher
+                && installOrientation == other.installOrientation;
     }
 
     @Override
@@ -441,6 +448,7 @@
         brightnessDefault = other.brightnessDefault;
         roundedCorners = other.roundedCorners;
         shouldConstrainMetricsForLauncher = other.shouldConstrainMetricsForLauncher;
+        installOrientation = other.installOrientation;
     }
 
     public void readFromParcel(Parcel source) {
@@ -498,6 +506,7 @@
             userDisabledHdrTypes[i] = source.readInt();
         }
         shouldConstrainMetricsForLauncher = source.readBoolean();
+        installOrientation = source.readInt();
     }
 
     @Override
@@ -553,6 +562,7 @@
             dest.writeInt(userDisabledHdrTypes[i]);
         }
         dest.writeBoolean(shouldConstrainMetricsForLauncher);
+        dest.writeInt(installOrientation);
     }
 
     @Override
@@ -809,6 +819,8 @@
         sb.append(brightnessDefault);
         sb.append(", shouldConstrainMetricsForLauncher ");
         sb.append(shouldConstrainMetricsForLauncher);
+        sb.append(", installOrientation ");
+        sb.append(Surface.rotationToString(installOrientation));
         sb.append("}");
         return sb.toString();
     }
diff --git a/core/java/android/view/GestureExclusionTracker.java b/core/java/android/view/GestureExclusionTracker.java
deleted file mode 100644
index fffb323e..0000000
--- a/core/java/android/view/GestureExclusionTracker.java
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.view;
-
-import android.annotation.NonNull;
-import android.annotation.Nullable;
-import android.graphics.Rect;
-
-import com.android.internal.util.Preconditions;
-
-import java.lang.ref.WeakReference;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Iterator;
-import java.util.List;
-
-/**
- * Used by {@link ViewRootImpl} to track system gesture exclusion rects reported by views.
- */
-class GestureExclusionTracker {
-    private boolean mGestureExclusionViewsChanged = false;
-    private boolean mRootGestureExclusionRectsChanged = false;
-    private List<Rect> mRootGestureExclusionRects = Collections.emptyList();
-    private List<GestureExclusionViewInfo> mGestureExclusionViewInfos = new ArrayList<>();
-    private List<Rect> mGestureExclusionRects = Collections.emptyList();
-
-    public void updateRectsForView(@NonNull View view) {
-        boolean found = false;
-        final Iterator<GestureExclusionViewInfo> i = mGestureExclusionViewInfos.iterator();
-        while (i.hasNext()) {
-            final GestureExclusionViewInfo info = i.next();
-            final View v = info.getView();
-            if (v == null || !v.isAttachedToWindow() || !v.isAggregatedVisible()) {
-                mGestureExclusionViewsChanged = true;
-                i.remove();
-                continue;
-            }
-            if (v == view) {
-                found = true;
-                info.mDirty = true;
-                break;
-            }
-        }
-        if (!found && view.isAttachedToWindow()) {
-            mGestureExclusionViewInfos.add(new GestureExclusionViewInfo(view));
-            mGestureExclusionViewsChanged = true;
-        }
-    }
-
-    @Nullable
-    public List<Rect> computeChangedRects() {
-        boolean changed = mRootGestureExclusionRectsChanged;
-        final Iterator<GestureExclusionViewInfo> i = mGestureExclusionViewInfos.iterator();
-        final List<Rect> rects = new ArrayList<>(mRootGestureExclusionRects);
-        while (i.hasNext()) {
-            final GestureExclusionViewInfo info = i.next();
-            switch (info.update()) {
-                case GestureExclusionViewInfo.CHANGED:
-                    changed = true;
-                    // Deliberate fall-through
-                case GestureExclusionViewInfo.UNCHANGED:
-                    rects.addAll(info.mExclusionRects);
-                    break;
-                case GestureExclusionViewInfo.GONE:
-                    mGestureExclusionViewsChanged = true;
-                    i.remove();
-                    break;
-            }
-        }
-        if (changed || mGestureExclusionViewsChanged) {
-            mGestureExclusionViewsChanged = false;
-            mRootGestureExclusionRectsChanged = false;
-            if (!mGestureExclusionRects.equals(rects)) {
-                mGestureExclusionRects = rects;
-                return rects;
-            }
-        }
-        return null;
-    }
-
-    public void setRootSystemGestureExclusionRects(@NonNull List<Rect> rects) {
-        Preconditions.checkNotNull(rects, "rects must not be null");
-        mRootGestureExclusionRects = rects;
-        mRootGestureExclusionRectsChanged = true;
-    }
-
-    @NonNull
-    public List<Rect> getRootSystemGestureExclusionRects() {
-        return mRootGestureExclusionRects;
-    }
-
-    private static class GestureExclusionViewInfo {
-        public static final int CHANGED = 0;
-        public static final int UNCHANGED = 1;
-        public static final int GONE = 2;
-
-        private final WeakReference<View> mView;
-        boolean mDirty = true;
-        List<Rect> mExclusionRects = Collections.emptyList();
-
-        GestureExclusionViewInfo(View view) {
-            mView = new WeakReference<>(view);
-        }
-
-        public View getView() {
-            return mView.get();
-        }
-
-        public int update() {
-            final View excludedView = getView();
-            if (excludedView == null || !excludedView.isAttachedToWindow()
-                    || !excludedView.isAggregatedVisible()) return GONE;
-            final List<Rect> localRects = excludedView.getSystemGestureExclusionRects();
-            final List<Rect> newRects = new ArrayList<>(localRects.size());
-            for (Rect src : localRects) {
-                Rect mappedRect = new Rect(src);
-                ViewParent p = excludedView.getParent();
-                if (p != null && p.getChildVisibleRect(excludedView, mappedRect, null)) {
-                    newRects.add(mappedRect);
-                }
-            }
-
-            if (mExclusionRects.equals(localRects)) return UNCHANGED;
-            mExclusionRects = newRects;
-            return CHANGED;
-        }
-    }
-}
diff --git a/core/java/android/view/HandwritingInitiator.java b/core/java/android/view/HandwritingInitiator.java
index 8524ac84..097d1d0 100644
--- a/core/java/android/view/HandwritingInitiator.java
+++ b/core/java/android/view/HandwritingInitiator.java
@@ -19,7 +19,6 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.graphics.Rect;
-import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
 
 import com.android.internal.annotations.VisibleForTesting;
@@ -75,11 +74,6 @@
     @VisibleForTesting
     public WeakReference<View> mConnectedView = null;
 
-    /** The editor bound reported by the connected View. */
-    @Nullable
-    @VisibleForTesting
-    public Rect mEditorBound = null;
-
     /**
      * When InputConnection restarts for a View, View#onInputConnectionCreatedInternal
      * might be called before View#onInputConnectionClosedInternal, so we need to count the input
@@ -174,9 +168,8 @@
      * @param view the view that created the current InputConnection.
      * @see  #onInputConnectionClosed(View)
      */
-    public void onInputConnectionCreated(@NonNull View view, @NonNull EditorInfo editorInfo) {
+    public void onInputConnectionCreated(@NonNull View view) {
         final View connectedView = getConnectedView();
-//        updateEditorBound(editorInfo.getInitialEditorBound());
         if (connectedView == view) {
             ++mConnectionCount;
         } else {
@@ -198,33 +191,15 @@
             --mConnectionCount;
             if (mConnectionCount == 0) {
                 mConnectedView = null;
-                mEditorBound = null;
             }
         } else {
             // Unexpected branch, set mConnectedView to null to avoid further problem.
             mConnectedView = null;
-            mEditorBound = null;
             mConnectionCount = 0;
         }
     }
 
     /**
-     * Notify the HandwritingInitiator that editor bound of the connected view(the view with
-     * active InputConnection) has be updated.
-     * @param editorBound new the editor bounds of the connected view.
-     */
-    public void updateEditorBound(@NonNull Rect editorBound) {
-        if (mEditorBound == null) {
-            mEditorBound = new Rect(editorBound);
-        } else {
-            mEditorBound.left = editorBound.left;
-            mEditorBound.top = editorBound.top;
-            mEditorBound.right = editorBound.right;
-            mEditorBound.bottom = editorBound.bottom;
-        }
-    }
-
-    /**
      * Try to initiate handwriting. For this method to successfully send startHandwriting signal,
      * the following 3 conditions should meet:
      *   a) The stylus movement exceeds the touchSlop.
@@ -240,18 +215,19 @@
             return;
         }
         final View connectedView = getConnectedView();
-        if (connectedView == null || mEditorBound == null) {
+        if (connectedView == null) {
             return;
         }
         final ViewParent viewParent = connectedView.getParent();
         // Do a final check before startHandwriting.
         if (viewParent != null && connectedView.isAttachedToWindow()) {
-            final Rect editorBounds = new Rect(mEditorBound);
+            final Rect editorBounds =
+                    new Rect(0, 0, connectedView.getWidth(), connectedView.getHeight());
             if (viewParent.getChildVisibleRect(connectedView, editorBounds, null)) {
                 final int roundedInitX = Math.round(mState.mStylusDownX);
                 final int roundedInitY = Math.round(mState.mStylusDownY);
                 if (editorBounds.contains(roundedInitX, roundedInitY)) {
-                    startHandwriting(mConnectedView.get());
+                    startHandwriting(connectedView);
                 }
             }
         }
@@ -261,7 +237,7 @@
     /** For test only. */
     @VisibleForTesting
     public void startHandwriting(View view) {
-        // mImm.startHandwriting(view);
+        mImm.startStylusHandwriting(view);
     }
 
     private boolean largerThanTouchSlop(float x1, float y1, float x2, float y2) {
diff --git a/core/java/android/view/IDisplayWindowListener.aidl b/core/java/android/view/IDisplayWindowListener.aidl
index f95d6b3..449e9b3 100644
--- a/core/java/android/view/IDisplayWindowListener.aidl
+++ b/core/java/android/view/IDisplayWindowListener.aidl
@@ -16,8 +16,11 @@
 
 package android.view;
 
+import android.graphics.Rect;
 import android.content.res.Configuration;
 
+import java.util.List;
+
 /**
  * Interface to listen for changes to display window-containers.
  *
@@ -56,4 +59,9 @@
      * Called when the previous fixed rotation on a display is finished.
      */
     void onFixedRotationFinished(int displayId);
+
+    /**
+     * Called when the keep clear ares on a display have changed.
+     */
+    void onKeepClearAreasChanged(int displayId, in List<Rect> keepClearAreas);
 }
diff --git a/core/java/android/view/IWindowManager.aidl b/core/java/android/view/IWindowManager.aidl
index 4d24965..fb848ad 100644
--- a/core/java/android/view/IWindowManager.aidl
+++ b/core/java/android/view/IWindowManager.aidl
@@ -25,7 +25,6 @@
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.GraphicBuffer;
-import android.graphics.Insets;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.graphics.Region;
@@ -485,16 +484,6 @@
     void getStableInsets(int displayId, out Rect outInsets);
 
     /**
-     * Set the forwarded insets on the display.
-     * <p>
-     * This is only used in case a virtual display is displayed on another display that has insets,
-     * and the bounds of the virtual display is overlapping with the insets from the host display.
-     * In that case, the contents on the virtual display won't be placed over the forwarded insets.
-     * Only the owner of the display is permitted to set the forwarded insets on it.
-     */
-    void setForwardedInsets(int displayId, in Insets insets);
-
-    /**
      * Register shortcut key. Shortcut code is packed as:
      * (MetaState << Integer.SIZE) | KeyCode
      * @hide
diff --git a/core/java/android/view/IWindowSession.aidl b/core/java/android/view/IWindowSession.aidl
index 921ce53..6226566 100644
--- a/core/java/android/view/IWindowSession.aidl
+++ b/core/java/android/view/IWindowSession.aidl
@@ -37,6 +37,7 @@
 import android.view.SurfaceControl;
 import android.view.SurfaceControl.Transaction;
 import android.window.ClientWindowFrames;
+import android.window.IOnBackInvokedCallback;
 
 import java.util.List;
 
@@ -290,6 +291,11 @@
     oneway void reportSystemGestureExclusionChanged(IWindow window, in List<Rect> exclusionRects);
 
     /**
+     * Called when the keep-clear areas for this window have changed.
+     */
+    oneway void reportKeepClearAreasChanged(IWindow window, in List<Rect> keepClearRects);
+
+    /**
     * Request the server to call setInputWindowInfo on a given Surface, and return
     * an input channel where the client can receive input.
     */
@@ -328,4 +334,12 @@
      */
     oneway void generateDisplayHash(IWindow window, in Rect boundsInWindow,
             in String hashAlgorithm, in RemoteCallback callback);
+
+    /**
+     * Sets the {@link IOnBackInvokedCallback} to be invoked for a window when back is triggered.
+     *
+     * @param window The token for the window to set the callback to.
+     * @param callback The {@link IOnBackInvokedCallback} to set.
+     */
+    oneway void setOnBackInvokedCallback(IWindow window, IOnBackInvokedCallback callback);
 }
diff --git a/core/java/android/view/SurfaceControl.java b/core/java/android/view/SurfaceControl.java
index b7f9be7..e751720b 100644
--- a/core/java/android/view/SurfaceControl.java
+++ b/core/java/android/view/SurfaceControl.java
@@ -1831,13 +1831,15 @@
         public float density;
         public boolean secure;
         public DeviceProductInfo deviceProductInfo;
+        public @Surface.Rotation int installOrientation;
 
         @Override
         public String toString() {
             return "StaticDisplayInfo{isInternal=" + isInternal
                     + ", density=" + density
                     + ", secure=" + secure
-                    + ", deviceProductInfo=" + deviceProductInfo + "}";
+                    + ", deviceProductInfo=" + deviceProductInfo
+                    + ", installOrientation=" + installOrientation + "}";
         }
 
         @Override
@@ -1848,12 +1850,13 @@
             return isInternal == that.isInternal
                     && density == that.density
                     && secure == that.secure
-                    && Objects.equals(deviceProductInfo, that.deviceProductInfo);
+                    && Objects.equals(deviceProductInfo, that.deviceProductInfo)
+                    && installOrientation == that.installOrientation;
         }
 
         @Override
         public int hashCode() {
-            return Objects.hash(isInternal, density, secure, deviceProductInfo);
+            return Objects.hash(isInternal, density, secure, deviceProductInfo, installOrientation);
         }
     }
 
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 2126fd5..93fdee0 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -4734,15 +4734,18 @@
         WindowInsetsAnimation.Callback mWindowInsetsAnimationCallback;
 
         /**
-         * This lives here since it's only valid for interactive views. This list is null until the
-         * first use.
+         * This lives here since it's only valid for interactive views. This list is null
+         * until its first use.
          */
         private List<Rect> mSystemGestureExclusionRects = null;
+        private List<Rect> mKeepClearRects = null;
+        private boolean mPreferKeepClear = false;
 
         /**
-         * Used to track {@link #mSystemGestureExclusionRects}
+         * Used to track {@link #mSystemGestureExclusionRects} and {@link #mKeepClearRects}
          */
         public RenderNode.PositionUpdateListener mPositionUpdateListener;
+        private Runnable mPositionChangedUpdate;
 
         /**
          * Allows the application to implement custom scroll capture support.
@@ -6028,6 +6031,9 @@
                 case R.styleable.View_clipToOutline:
                     setClipToOutline(a.getBoolean(attr, false));
                     break;
+                case R.styleable.View_preferKeepClear:
+                    setPreferKeepClear(a.getBoolean(attr, false));
+                    break;
             }
         }
 
@@ -11665,37 +11671,49 @@
         } else {
             info.mSystemGestureExclusionRects = new ArrayList<>(rects);
         }
-        if (rects.isEmpty()) {
+
+        updatePositionUpdateListener();
+        postUpdate(this::updateSystemGestureExclusionRects);
+    }
+
+    private void updatePositionUpdateListener() {
+        final ListenerInfo info = getListenerInfo();
+        if (getSystemGestureExclusionRects().isEmpty()
+                && collectPreferKeepClearRects().isEmpty()) {
             if (info.mPositionUpdateListener != null) {
                 mRenderNode.removePositionUpdateListener(info.mPositionUpdateListener);
+                info.mPositionChangedUpdate = null;
             }
         } else {
             if (info.mPositionUpdateListener == null) {
+                info.mPositionChangedUpdate = () -> {
+                    updateSystemGestureExclusionRects();
+                    updateKeepClearRects();
+                };
                 info.mPositionUpdateListener = new RenderNode.PositionUpdateListener() {
                     @Override
                     public void positionChanged(long n, int l, int t, int r, int b) {
-                        postUpdateSystemGestureExclusionRects();
+                        postUpdate(info.mPositionChangedUpdate);
                     }
 
                     @Override
                     public void positionLost(long frameNumber) {
-                        postUpdateSystemGestureExclusionRects();
+                        postUpdate(info.mPositionChangedUpdate);
                     }
                 };
                 mRenderNode.addPositionUpdateListener(info.mPositionUpdateListener);
             }
         }
-        postUpdateSystemGestureExclusionRects();
     }
 
     /**
      * WARNING: this can be called by a hwui worker thread, not just the UI thread!
      */
-    void postUpdateSystemGestureExclusionRects() {
+    private void postUpdate(Runnable r) {
         // Potentially racey from a background thread. It's ok if it's not perfect.
         final Handler h = getHandler();
         if (h != null) {
-            h.postAtFrontOfQueue(this::updateSystemGestureExclusionRects);
+            h.postAtFrontOfQueue(r);
         }
     }
 
@@ -11727,6 +11745,106 @@
     }
 
     /**
+     * Set a preference to keep the bounds of this view clear from floating windows above this
+     * view's window. This informs the system that the view is considered a vital area for the
+     * user and that ideally it should not be covered. Setting this is only appropriate for UI
+     * where the user would likely take action to uncover it.
+     * <p>
+     * The system will try to respect this, but when not possible will ignore it.
+     * <p>
+     * @see #setPreferKeepClearRects
+     * @see #isPreferKeepClear
+     * @attr ref android.R.styleable#View_preferKeepClear
+     */
+    public final void setPreferKeepClear(boolean preferKeepClear) {
+        getListenerInfo().mPreferKeepClear = preferKeepClear;
+        updatePositionUpdateListener();
+        postUpdate(this::updateKeepClearRects);
+    }
+
+    /**
+     * Retrieve the preference for this view to be kept clear. This is set either by
+     * {@link #setPreferKeepClear} or via the attribute android.R.styleable#View_preferKeepClear.
+     * <p>
+     * If this is {@code true}, the system will ignore the Rects set by
+     * {@link #setPreferKeepClearRects} and try to keep the whole view clear.
+     * <p>
+     * @see #setPreferKeepClear
+     * @attr ref android.R.styleable#View_preferKeepClear
+     */
+    public final boolean isPreferKeepClear() {
+        return mListenerInfo != null && mListenerInfo.mPreferKeepClear;
+    }
+
+    /**
+     * Set a preference to keep the provided rects clear from floating windows above this
+     * view's window. This informs the system that these rects are considered vital areas for the
+     * user and that ideally they should not be covered. Setting this is only appropriate for UI
+     * where the user would likely take action to uncover it.
+     * <p>
+     * If the whole view is preferred to be clear ({@link #isPreferKeepClear}), the rects set here
+     * will be ignored.
+     * <p>
+     * The system will try to respect this preference, but when not possible will ignore it.
+     * <p>
+     * @see #setPreferKeepClear
+     * @see #getPreferKeepClearRects
+     */
+    public final void setPreferKeepClearRects(@NonNull List<Rect> rects) {
+        final ListenerInfo info = getListenerInfo();
+        if (info.mKeepClearRects != null) {
+            info.mKeepClearRects.clear();
+            info.mKeepClearRects.addAll(rects);
+        } else {
+            info.mKeepClearRects = new ArrayList<>(rects);
+        }
+        updatePositionUpdateListener();
+        postUpdate(this::updateKeepClearRects);
+    }
+
+    /**
+     * @return the list of rects, set by {@link #setPreferKeepClearRects}.
+     *
+     * @see #setPreferKeepClearRects
+     */
+    @NonNull
+    public final List<Rect> getPreferKeepClearRects() {
+        final ListenerInfo info = mListenerInfo;
+        if (info != null && info.mKeepClearRects != null) {
+            return new ArrayList(info.mKeepClearRects);
+        }
+
+        return Collections.emptyList();
+    }
+
+    void updateKeepClearRects() {
+        final AttachInfo ai = mAttachInfo;
+        if (ai != null) {
+            ai.mViewRootImpl.updateKeepClearRectsForView(this);
+        }
+    }
+
+    /**
+     * Retrieve the list of areas within this view's post-layout coordinate space which the
+     * system will try to not cover with other floating elements, like the pip window.
+     */
+    @NonNull
+    List<Rect> collectPreferKeepClearRects() {
+        final ListenerInfo info = mListenerInfo;
+        if (info != null) {
+            final List<Rect> list = new ArrayList();
+            if (info.mPreferKeepClear) {
+                list.add(new Rect(0, 0, getWidth(), getHeight()));
+            } else if (info.mKeepClearRects != null) {
+                list.addAll(info.mKeepClearRects);
+            }
+            return list;
+        }
+
+        return Collections.emptyList();
+    }
+
+    /**
      * Compute the view's coordinate within the surface.
      *
      * <p>Computes the coordinates of this view in its surface. The argument
@@ -15120,7 +15238,11 @@
             notifyAppearedOrDisappearedForContentCaptureIfNeeded(isVisible);
 
             if (!getSystemGestureExclusionRects().isEmpty()) {
-                postUpdateSystemGestureExclusionRects();
+                postUpdate(this::updateSystemGestureExclusionRects);
+            }
+
+            if (!collectPreferKeepClearRects().isEmpty()) {
+                postUpdate(this::updateKeepClearRects);
             }
         }
     }
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index cec8d4c..97b5a31 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -398,6 +398,8 @@
     final DisplayManager mDisplayManager;
     final String mBasePackageName;
 
+    private @Surface.Rotation int mDisplayInstallOrientation;
+
     final int[] mTmpLocation = new int[2];
 
     final TypedValue mTmpValue = new TypedValue();
@@ -749,7 +751,10 @@
         return mImeFocusController;
     }
 
-    private final GestureExclusionTracker mGestureExclusionTracker = new GestureExclusionTracker();
+    private final ViewRootRectTracker mGestureExclusionTracker =
+            new ViewRootRectTracker(v -> v.getSystemGestureExclusionRects());
+    private final ViewRootRectTracker mKeepClearRectsTracker =
+            new ViewRootRectTracker(v -> v.collectPreferKeepClearRects());
 
     private IAccessibilityEmbeddedConnection mAccessibilityEmbeddedConnection;
 
@@ -1025,6 +1030,7 @@
                 mView = view;
 
                 mAttachInfo.mDisplayState = mDisplay.getState();
+                mDisplayInstallOrientation = mDisplay.getInstallOrientation();
                 mViewLayoutDirectionInitial = mView.getRawLayoutDirection();
                 mFallbackEventHandler.setView(view);
                 mWindowAttributes.copyFrom(attrs);
@@ -4767,7 +4773,7 @@
      * the root's view hierarchy.
      */
     public void setRootSystemGestureExclusionRects(@NonNull List<Rect> rects) {
-        mGestureExclusionTracker.setRootSystemGestureExclusionRects(rects);
+        mGestureExclusionTracker.setRootRects(rects);
         mHandler.sendEmptyMessage(MSG_SYSTEM_GESTURE_EXCLUSION_CHANGED);
     }
 
@@ -4777,7 +4783,26 @@
      */
     @NonNull
     public List<Rect> getRootSystemGestureExclusionRects() {
-        return mGestureExclusionTracker.getRootSystemGestureExclusionRects();
+        return mGestureExclusionTracker.getRootRects();
+    }
+
+    /**
+     * Called from View when the position listener is triggered
+     */
+    void updateKeepClearRectsForView(View view) {
+        mKeepClearRectsTracker.updateRectsForView(view);
+        mHandler.sendEmptyMessage(MSG_KEEP_CLEAR_RECTS_CHANGED);
+    }
+
+    void keepClearRectsChanged() {
+        final List<Rect> rectsForWindowManager = mKeepClearRectsTracker.computeChangedRects();
+        if (rectsForWindowManager != null && mView != null) {
+            try {
+                mWindowSession.reportKeepClearAreasChanged(mWindow, rectsForWindowManager);
+            } catch (RemoteException e) {
+                throw e.rethrowFromSystemServer();
+            }
+        }
     }
 
     /**
@@ -5273,6 +5298,7 @@
     private static final int MSG_HIDE_INSETS = 35;
     private static final int MSG_REQUEST_SCROLL_CAPTURE = 36;
     private static final int MSG_WINDOW_TOUCH_MODE_CHANGED = 37;
+    private static final int MSG_KEEP_CLEAR_RECTS_CHANGED = 38;
 
 
     final class ViewRootHandler extends Handler {
@@ -5341,6 +5367,8 @@
                     return "MSG_HIDE_INSETS";
                 case MSG_WINDOW_TOUCH_MODE_CHANGED:
                     return "MSG_WINDOW_TOUCH_MODE_CHANGED";
+                case MSG_KEEP_CLEAR_RECTS_CHANGED:
+                    return "MSG_KEEP_CLEAR_RECTS_CHANGED";
             }
             return super.getMessageName(message);
         }
@@ -5564,7 +5592,10 @@
                 } break;
                 case MSG_SYSTEM_GESTURE_EXCLUSION_CHANGED: {
                     systemGestureExclusionChanged();
-                } break;
+                }   break;
+                case MSG_KEEP_CLEAR_RECTS_CHANGED: {
+                    keepClearRectsChanged();
+                }   break;
                 case MSG_REQUEST_SCROLL_CAPTURE:
                     handleScrollCaptureRequest((IScrollCaptureResponseListener) msg.obj);
                     break;
@@ -7909,6 +7940,10 @@
                 mTmpFrames, mPendingMergedConfiguration, mSurfaceControl, mTempInsets,
                 mTempControls, mSurfaceSize);
 
+        final int transformHint = SurfaceControl.rotationToBufferTransform(
+                (mDisplayInstallOrientation + mDisplay.getRotation()) % 4);
+        mSurfaceControl.setTransformHint(transformHint);
+
         if (mAttachInfo.mContentCaptureManager != null) {
             MainContentCaptureSession mainSession = mAttachInfo.mContentCaptureManager
                     .getMainContentCaptureSession();
@@ -7927,7 +7962,6 @@
                 mAttachInfo.mThreadedRenderer.setSurfaceControl(mSurfaceControl);
                 mAttachInfo.mThreadedRenderer.setBlastBufferQueue(mBlastBufferQueue);
             }
-            int transformHint = mSurfaceControl.getTransformHint();
             if (mPreviousTransformHint != transformHint) {
                 mPreviousTransformHint = transformHint;
                 dispatchTransformHintChanged(transformHint);
diff --git a/core/java/android/view/ViewRootRectTracker.java b/core/java/android/view/ViewRootRectTracker.java
new file mode 100644
index 0000000..fd9cc19
--- /dev/null
+++ b/core/java/android/view/ViewRootRectTracker.java
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.view;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.graphics.Rect;
+
+import com.android.internal.util.Preconditions;
+
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.function.Function;
+
+/**
+ * Abstract class to track a collection of rects reported by the views under the same
+ * {@link ViewRootImpl}.
+ */
+class ViewRootRectTracker {
+    private final Function<View, List<Rect>> mRectCollector;
+    private boolean mViewsChanged = false;
+    private boolean mRootRectsChanged = false;
+    private List<Rect> mRootRects = Collections.emptyList();
+    private List<ViewInfo> mViewInfos = new ArrayList<>();
+    private List<Rect> mRects = Collections.emptyList();
+
+    /**
+     * @param rectCollector given a view returns a list of the rects of interest for this
+     *                      ViewRootRectTracker
+     */
+    ViewRootRectTracker(Function<View, List<Rect>> rectCollector) {
+        mRectCollector = rectCollector;
+    }
+
+    public void updateRectsForView(@NonNull View view) {
+        boolean found = false;
+        final Iterator<ViewInfo> i = mViewInfos.iterator();
+        while (i.hasNext()) {
+            final ViewInfo info = i.next();
+            final View v = info.getView();
+            if (v == null || !v.isAttachedToWindow() || !v.isAggregatedVisible()) {
+                mViewsChanged = true;
+                i.remove();
+                continue;
+            }
+            if (v == view) {
+                found = true;
+                info.mDirty = true;
+                break;
+            }
+        }
+        if (!found && view.isAttachedToWindow()) {
+            mViewInfos.add(new ViewInfo(view));
+            mViewsChanged = true;
+        }
+    }
+
+    /**
+     * @return all visible rects from all views in the global (root) coordinate system
+     */
+    @Nullable
+    public List<Rect> computeChangedRects() {
+        boolean changed = mRootRectsChanged;
+        final Iterator<ViewInfo> i = mViewInfos.iterator();
+        final List<Rect> rects = new ArrayList<>(mRootRects);
+        while (i.hasNext()) {
+            final ViewInfo info = i.next();
+            switch (info.update()) {
+                case ViewInfo.CHANGED:
+                    changed = true;
+                    // Deliberate fall-through
+                case ViewInfo.UNCHANGED:
+                    rects.addAll(info.mRects);
+                    break;
+                case ViewInfo.GONE:
+                    mViewsChanged = true;
+                    i.remove();
+                    break;
+            }
+        }
+        if (changed || mViewsChanged) {
+            mViewsChanged = false;
+            mRootRectsChanged = false;
+            if (!mRects.equals(rects)) {
+                mRects = rects;
+                return rects;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Sets rects defined in the global (root) coordinate system, i.e. not for a specific view.
+     */
+    public void setRootRects(@NonNull List<Rect> rects) {
+        Preconditions.checkNotNull(rects, "rects must not be null");
+        mRootRects = rects;
+        mRootRectsChanged = true;
+    }
+
+    @NonNull
+    public List<Rect> getRootRects() {
+        return mRootRects;
+    }
+
+    @NonNull
+    private List<Rect> getTrackedRectsForView(@NonNull View v) {
+        final List<Rect> rects = mRectCollector.apply(v);
+        return rects == null ? Collections.emptyList() : rects;
+    }
+
+    private class ViewInfo {
+        public static final int CHANGED = 0;
+        public static final int UNCHANGED = 1;
+        public static final int GONE = 2;
+
+        private final WeakReference<View> mView;
+        boolean mDirty = true;
+        List<Rect> mRects = Collections.emptyList();
+
+        ViewInfo(View view) {
+            mView = new WeakReference<>(view);
+        }
+
+        public View getView() {
+            return mView.get();
+        }
+
+        public int update() {
+            final View view = getView();
+            if (view == null || !view.isAttachedToWindow()
+                    || !view.isAggregatedVisible()) return GONE;
+            final List<Rect> localRects = getTrackedRectsForView(view);
+            final List<Rect> newRects = new ArrayList<>(localRects.size());
+            for (Rect src : localRects) {
+                Rect mappedRect = new Rect(src);
+                ViewParent p = view.getParent();
+                if (p != null && p.getChildVisibleRect(view, mappedRect, null)) {
+                    newRects.add(mappedRect);
+                }
+            }
+
+            if (mRects.equals(localRects)) return UNCHANGED;
+            mRects = newRects;
+            return CHANGED;
+        }
+    }
+}
diff --git a/core/java/android/view/WindowlessWindowManager.java b/core/java/android/view/WindowlessWindowManager.java
index 5176f9b..998498b 100644
--- a/core/java/android/view/WindowlessWindowManager.java
+++ b/core/java/android/view/WindowlessWindowManager.java
@@ -28,6 +28,7 @@
 import android.util.Log;
 import android.util.MergedConfiguration;
 import android.window.ClientWindowFrames;
+import android.window.IOnBackInvokedCallback;
 
 import java.util.HashMap;
 import java.util.Objects;
@@ -459,6 +460,11 @@
     }
 
     @Override
+    public void reportKeepClearAreasChanged(android.view.IWindow window,
+            java.util.List<android.graphics.Rect> exclusionRects) {
+    }
+
+    @Override
     public void grantInputChannel(int displayId, SurfaceControl surface, IWindow window,
             IBinder hostInputToken, int flags, int privateFlags, int type,
             InputChannel outInputChannel) {
@@ -496,6 +502,10 @@
     }
 
     @Override
+    public void setOnBackInvokedCallback(IWindow iWindow,
+            IOnBackInvokedCallback iOnBackInvokedCallback) throws RemoteException { }
+
+    @Override
     public boolean dropForAccessibility(IWindow window, int x, int y) {
         return false;
     }
diff --git a/core/java/android/view/accessibility/CaptioningManager.java b/core/java/android/view/accessibility/CaptioningManager.java
index 05c74f2..4f9781b 100644
--- a/core/java/android/view/accessibility/CaptioningManager.java
+++ b/core/java/android/view/accessibility/CaptioningManager.java
@@ -254,7 +254,13 @@
      * Returns true if system wide call captioning is enabled for this device.
      */
     public boolean isCallCaptioningEnabled() {
-        return mResources.getBoolean(R.bool.config_systemCaptionsServiceCallsEnabled);
+        try {
+            return mResources.getBoolean(
+                R.bool.config_systemCaptionsServiceCallsEnabled);
+        } catch (Resources.NotFoundException e) {
+            // The resource may not be defined, return false in that case
+            return false;
+        }
     }
 
     private void notifyEnabledChanged() {
diff --git a/core/java/android/view/inputmethod/InputMethodManager.java b/core/java/android/view/inputmethod/InputMethodManager.java
index 6fc246e..6a22023 100644
--- a/core/java/android/view/inputmethod/InputMethodManager.java
+++ b/core/java/android/view/inputmethod/InputMethodManager.java
@@ -2139,7 +2139,7 @@
             view.onInputConnectionOpenedInternal(ic, tba, icHandler);
             final ViewRootImpl viewRoot = view.getViewRootImpl();
             if (viewRoot != null) {
-                viewRoot.getHandwritingInitiator().onInputConnectionCreated(view, tba);
+                viewRoot.getHandwritingInitiator().onInputConnectionCreated(view);
             }
         }
 
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index ac28c31..dd70d69 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -17,6 +17,7 @@
 package android.widget;
 
 import static android.view.ContentInfo.SOURCE_DRAG_AND_DROP;
+import static android.widget.TextView.ACCESSIBILITY_ACTION_SMART_START_ID;
 
 import android.R;
 import android.animation.ValueAnimator;
@@ -84,6 +85,7 @@
 import android.util.ArraySet;
 import android.util.DisplayMetrics;
 import android.util.Log;
+import android.util.Pair;
 import android.util.SparseArray;
 import android.util.TypedValue;
 import android.view.ActionMode;
@@ -112,6 +114,7 @@
 import android.view.ViewTreeObserver;
 import android.view.WindowManager;
 import android.view.accessibility.AccessibilityNodeInfo;
+import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;
 import android.view.animation.LinearInterpolator;
 import android.view.inputmethod.CorrectionInfo;
 import android.view.inputmethod.CursorAnchorInfo;
@@ -449,11 +452,14 @@
     private int mLineChangeSlopMax;
     private int mLineChangeSlopMin;
 
+    private final AccessibilitySmartActions mA11ySmartActions;
+
     Editor(TextView textView) {
         mTextView = textView;
         // Synchronize the filter list, which places the undo input filter at the end.
         mTextView.setFilters(mTextView.getFilters());
         mProcessTextIntentActionsHandler = new ProcessTextIntentActionsHandler(this);
+        mA11ySmartActions = new AccessibilitySmartActions(mTextView);
         mHapticTextHandleEnabled = mTextView.getContext().getResources().getBoolean(
                 com.android.internal.R.bool.config_enableHapticTextHandle);
 
@@ -4381,6 +4387,7 @@
             item.setShowAsAction(showAsAction);
             mAssistClickHandlers.put(item,
                     TextClassification.createIntentOnClickListener(action.getActionIntent()));
+            mA11ySmartActions.addAction(action);
             return item;
         }
 
@@ -4394,6 +4401,7 @@
                 }
                 i++;
             }
+            mA11ySmartActions.reset();
         }
 
         private boolean hasLegacyAssistItem(TextClassification classification) {
@@ -7656,7 +7664,7 @@
         private final PackageManager mPackageManager;
         private final String mPackageName;
         private final SparseArray<Intent> mAccessibilityIntents = new SparseArray<>();
-        private final SparseArray<AccessibilityNodeInfo.AccessibilityAction> mAccessibilityActions =
+        private final SparseArray<AccessibilityAction> mAccessibilityActions =
                 new SparseArray<>();
         private final List<ResolveInfo> mSupportedActivities = new ArrayList<>();
 
@@ -7706,8 +7714,7 @@
                 int actionId = TextView.ACCESSIBILITY_ACTION_PROCESS_TEXT_START_ID + i++;
                 mAccessibilityActions.put(
                         actionId,
-                        new AccessibilityNodeInfo.AccessibilityAction(
-                                actionId, getLabel(resolveInfo)));
+                        new AccessibilityAction(actionId, getLabel(resolveInfo)));
                 mAccessibilityIntents.put(
                         actionId, createProcessTextIntentForResolveInfo(resolveInfo));
             }
@@ -7786,6 +7793,65 @@
         }
     }
 
+    /**
+     * Accessibility helper for "smart" (i.e. textAssist) actions.
+     * Helps ensure that "smart" actions are shown in the accessibility menu.
+     * NOTE that these actions are only available when an action mode is live.
+     *
+     * @hide
+     */
+    private static final class AccessibilitySmartActions {
+
+        private final TextView mTextView;
+        private final SparseArray<Pair<AccessibilityAction, RemoteAction>> mActions =
+                new SparseArray<>();
+
+        private AccessibilitySmartActions(TextView textView) {
+            mTextView = Objects.requireNonNull(textView);
+        }
+
+        private void addAction(RemoteAction action) {
+            final int actionId = ACCESSIBILITY_ACTION_SMART_START_ID + mActions.size();
+            mActions.put(actionId,
+                    new Pair(new AccessibilityAction(actionId, action.getTitle()), action));
+        }
+
+        private void reset() {
+            mActions.clear();
+        }
+
+        void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo nodeInfo) {
+            for (int i = 0; i < mActions.size(); i++) {
+                nodeInfo.addAction(mActions.valueAt(i).first);
+            }
+        }
+
+        boolean performAccessibilityAction(int actionId) {
+            final Pair<AccessibilityAction, RemoteAction> pair = mActions.get(actionId);
+            if (pair != null) {
+                TextClassification.createIntentOnClickListener(pair.second.getActionIntent())
+                        .onClick(mTextView);
+                return true;
+            }
+            return false;
+        }
+    }
+
+    /**
+     * Initializes the nodeInfo with smart actions.
+     */
+    void onInitializeSmartActionsAccessibilityNodeInfo(AccessibilityNodeInfo nodeInfo) {
+        mA11ySmartActions.onInitializeAccessibilityNodeInfo(nodeInfo);
+    }
+
+    /**
+     * Handles the accessibility action if it is an active smart action.
+     * Return false if this method does not hanle the action.
+     */
+    boolean performSmartActionsAccessibilityAction(int actionId) {
+        return mA11ySmartActions.performAccessibilityAction(actionId);
+    }
+
     static void logCursor(String location, @Nullable String msgFormat, Object ... msgArgs) {
         if (msgFormat == null) {
             Log.d(TAG, location);
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 0fe06be..7161730 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -442,6 +442,9 @@
     // Accessibility action start id for "process text" actions.
     static final int ACCESSIBILITY_ACTION_PROCESS_TEXT_START_ID = 0x10000100;
 
+    /** Accessibility action start id for "smart" actions. @hide */
+    static final int ACCESSIBILITY_ACTION_SMART_START_ID = 0x10001000;
+
     /**
      * @hide
      */
@@ -12223,6 +12226,7 @@
             }
             if (canProcessText()) {  // also implies mEditor is not null.
                 mEditor.mProcessTextIntentActionsHandler.onInitializeAccessibilityNodeInfo(info);
+                mEditor.onInitializeSmartActionsAccessibilityNodeInfo(info);
             }
         }
 
@@ -12426,9 +12430,11 @@
      */
     @Override
     public boolean performAccessibilityActionInternal(int action, Bundle arguments) {
-        if (mEditor != null
-                && mEditor.mProcessTextIntentActionsHandler.performAccessibilityAction(action)) {
-            return true;
+        if (mEditor != null) {
+            if (mEditor.mProcessTextIntentActionsHandler.performAccessibilityAction(action)
+                    || mEditor.performSmartActionsAccessibilityAction(action)) {
+                return true;
+            }
         }
         switch (action) {
             case AccessibilityNodeInfo.ACTION_CLICK: {
diff --git a/core/java/android/window/IOnBackInvokedCallback.aidl b/core/java/android/window/IOnBackInvokedCallback.aidl
new file mode 100644
index 0000000..a42863c
--- /dev/null
+++ b/core/java/android/window/IOnBackInvokedCallback.aidl
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+
+ */
+
+package android.window;
+
+/**
+ * Interface that wraps a {@link OnBackInvokedCallback} object, to be stored in window manager
+ * and called from back handling process when back is invoked.
+ *
+ * @hide
+ */
+oneway interface IOnBackInvokedCallback {
+   /**
+    * Called when a back gesture has been started, or back button has been pressed down.
+    * Wraps {@link OnBackInvokedCallback#onBackStarted()}.
+    */
+    void onBackStarted();
+
+    /**
+     * Called on back gesture progress.
+     * Wraps {@link OnBackInvokedCallback#onBackProgressed()}.
+     *
+     * @param touchX Absolute X location of the touch point.
+     * @param touchY Absolute Y location of the touch point.
+     * @param progress Value between 0 and 1 on how far along the back gesture is.
+     */
+    void onBackProgressed(int touchX, int touchY, float progress);
+
+    /**
+     * Called when a back gesture or back button press has been cancelled.
+     * Wraps {@link OnBackInvokedCallback#onBackCancelled()}.
+     */
+    void onBackCancelled();
+
+    /**
+     * Called when a back gesture has been completed and committed, or back button pressed
+     * has been released and committed.
+     * Wraps {@link OnBackInvokedCallback#onBackInvoked()}.
+     */
+    void onBackInvoked();
+}
diff --git a/core/java/android/window/WindowOnBackInvokedDispatcher.java b/core/java/android/window/WindowOnBackInvokedDispatcher.java
index 53734eb..2978604 100644
--- a/core/java/android/window/WindowOnBackInvokedDispatcher.java
+++ b/core/java/android/window/WindowOnBackInvokedDispatcher.java
@@ -17,11 +17,19 @@
 package android.window;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.os.Handler;
+import android.os.RemoteException;
+import android.util.Log;
 import android.view.IWindow;
 import android.view.IWindowSession;
 import android.view.OnBackInvokedCallback;
 import android.view.OnBackInvokedDispatcher;
 
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.TreeMap;
+
 /**
  * Provides window based implementation of {@link OnBackInvokedDispatcher}.
  *
@@ -39,6 +47,18 @@
 public class WindowOnBackInvokedDispatcher extends OnBackInvokedDispatcher {
     private IWindowSession mWindowSession;
     private IWindow mWindow;
+    private static final String TAG = "WindowOnBackDispatcher";
+    private static final boolean DEBUG = false;
+
+    /** The currently most prioritized callback. */
+    @Nullable
+    private OnBackInvokedCallbackWrapper mTopCallback;
+
+    /** Convenience hashmap to quickly decide if a callback has been added. */
+    private final HashMap<OnBackInvokedCallback, Integer> mAllCallbacks = new HashMap<>();
+    /** Holds all callbacks by priorities. */
+    private final TreeMap<Integer, ArrayList<OnBackInvokedCallback>>
+            mOnBackInvokedCallbacks = new TreeMap<>();
 
     /**
      * Sends the pending top callback (if one exists) to WM when the view root
@@ -47,7 +67,9 @@
     public void attachToWindow(@NonNull IWindowSession windowSession, @NonNull IWindow window) {
         mWindowSession = windowSession;
         mWindow = window;
-        // TODO(b/209867448): Send the top callback to WM (if one exists).
+        if (mTopCallback != null) {
+            setTopOnBackInvokedCallback(mTopCallback);
+        }
     }
 
     /** Detaches the dispatcher instance from its window. */
@@ -56,20 +78,124 @@
         mWindowSession = null;
     }
 
+    // TODO: Take an Executor for the callback to run on.
     @Override
     public void registerOnBackInvokedCallback(
             @NonNull OnBackInvokedCallback callback, @Priority int priority) {
-        // TODO(b/209867448): To be implemented.
+        if (!mOnBackInvokedCallbacks.containsKey(priority)) {
+            mOnBackInvokedCallbacks.put(priority, new ArrayList<>());
+        }
+        ArrayList<OnBackInvokedCallback> callbacks = mOnBackInvokedCallbacks.get(priority);
+
+        // If callback has already been added, remove it and re-add it.
+        if (mAllCallbacks.containsKey(callback)) {
+            if (DEBUG) {
+                Log.i(TAG, "Callback already added. Removing and re-adding it.");
+            }
+            Integer prevPriority = mAllCallbacks.get(callback);
+            mOnBackInvokedCallbacks.get(prevPriority).remove(callback);
+        }
+
+        callbacks.add(callback);
+        mAllCallbacks.put(callback, priority);
+        if (mTopCallback == null || (mTopCallback.getCallback() != callback
+                && mAllCallbacks.get(mTopCallback.getCallback()) <= priority)) {
+            setTopOnBackInvokedCallback(new OnBackInvokedCallbackWrapper(callback, priority));
+        }
     }
 
     @Override
-    public void unregisterOnBackInvokedCallback(
-            @NonNull OnBackInvokedCallback callback) {
-        // TODO(b/209867448): To be implemented.
+    public void unregisterOnBackInvokedCallback(@NonNull OnBackInvokedCallback callback) {
+        if (!mAllCallbacks.containsKey(callback)) {
+            if (DEBUG) {
+                Log.i(TAG, "Callback not found. returning...");
+            }
+            return;
+        }
+        Integer priority = mAllCallbacks.get(callback);
+        mOnBackInvokedCallbacks.get(priority).remove(callback);
+        mAllCallbacks.remove(callback);
+        if (mTopCallback != null && mTopCallback.getCallback() == callback) {
+            findAndSetTopOnBackInvokedCallback();
+        }
     }
 
     /** Clears all registered callbacks on the instance. */
     public void clear() {
-        // TODO(b/209867448): To be implemented.
+        mAllCallbacks.clear();
+        mTopCallback = null;
+        mOnBackInvokedCallbacks.clear();
+    }
+
+    /**
+     * Iterates through all callbacks to find the most prioritized one and pushes it to
+     * window manager.
+     */
+    private void findAndSetTopOnBackInvokedCallback() {
+        if (mAllCallbacks.isEmpty()) {
+            setTopOnBackInvokedCallback(null);
+            return;
+        }
+
+        for (Integer priority : mOnBackInvokedCallbacks.descendingKeySet()) {
+            ArrayList<OnBackInvokedCallback> callbacks = mOnBackInvokedCallbacks.get(priority);
+            if (!callbacks.isEmpty()) {
+                OnBackInvokedCallbackWrapper callback = new OnBackInvokedCallbackWrapper(
+                        callbacks.get(callbacks.size() - 1), priority);
+                setTopOnBackInvokedCallback(callback);
+                return;
+            }
+        }
+        setTopOnBackInvokedCallback(null);
+    }
+
+    // Pushes the top priority callback to window manager.
+    private void setTopOnBackInvokedCallback(@Nullable OnBackInvokedCallbackWrapper callback) {
+        mTopCallback = callback;
+        if (mWindowSession == null || mWindow == null) {
+            return;
+        }
+        try {
+            mWindowSession.setOnBackInvokedCallback(mWindow, mTopCallback);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Failed to set OnBackInvokedCallback to WM. Error: " + e);
+        }
+    }
+
+    private class OnBackInvokedCallbackWrapper extends IOnBackInvokedCallback.Stub {
+        private final OnBackInvokedCallback mCallback;
+        private final @Priority int mPriority;
+
+        OnBackInvokedCallbackWrapper(
+                @NonNull OnBackInvokedCallback callback, @Priority int priority) {
+            mCallback = callback;
+            mPriority = priority;
+        }
+
+        @NonNull
+        public OnBackInvokedCallback getCallback() {
+            return mCallback;
+        }
+
+        @Override
+        public void onBackStarted() throws RemoteException {
+            Handler.getMain().post(() -> mCallback.onBackStarted());
+        }
+
+        @Override
+        public void onBackProgressed(int touchX, int touchY, float progress)
+                throws RemoteException {
+            Handler.getMain().post(() -> mCallback.onBackProgressed(touchX, touchY, progress));
+        }
+
+        @Override
+        public void onBackCancelled() throws RemoteException {
+            Handler.getMain().post(() -> mCallback.onBackCancelled());
+        }
+
+        @Override
+        public void onBackInvoked() throws RemoteException {
+            Handler.getMain().post(() -> mCallback.onBackInvoked());
+        }
     }
 }
diff --git a/core/java/com/android/internal/accessibility/AccessibilityShortcutController.java b/core/java/com/android/internal/accessibility/AccessibilityShortcutController.java
index 14fd4c2..40ca9fb 100644
--- a/core/java/com/android/internal/accessibility/AccessibilityShortcutController.java
+++ b/core/java/com/android/internal/accessibility/AccessibilityShortcutController.java
@@ -90,6 +90,14 @@
     public static final ComponentName ACCESSIBILITY_BUTTON_COMPONENT_NAME =
             new ComponentName("com.android.server.accessibility", "AccessibilityButton");
 
+    public static final ComponentName COLOR_INVERSION_TILE_COMPONENT_NAME =
+            new ComponentName("com.android.server.accessibility", "ColorInversionTile");
+    public static final ComponentName DALTONIZER_TILE_COMPONENT_NAME =
+            new ComponentName("com.android.server.accessibility", "ColorCorrectionTile");
+    public static final ComponentName ONE_HANDED_TILE_COMPONENT_NAME =
+            new ComponentName("com.android.server.accessibility", "OneHandedModeTile");
+    public static final ComponentName REDUCE_BRIGHT_COLORS_TILE_SERVICE_COMPONENT_NAME =
+            new ComponentName("com.android.server.accessibility", "ReduceBrightColorsTile");
 
     private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
             .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
diff --git a/core/java/com/android/internal/app/AbstractMultiProfilePagerAdapter.java b/core/java/com/android/internal/app/AbstractMultiProfilePagerAdapter.java
index b723db2..4ad232a 100644
--- a/core/java/com/android/internal/app/AbstractMultiProfilePagerAdapter.java
+++ b/core/java/com/android/internal/app/AbstractMultiProfilePagerAdapter.java
@@ -467,8 +467,21 @@
     }
 
     protected void showEmptyState(ResolverListAdapter activeListAdapter,
+            @DrawableRes int iconRes, String title, String subtitle) {
+        showEmptyState(activeListAdapter, iconRes, title, subtitle, /* buttonOnClick */ null);
+    }
+
+    protected void showEmptyState(ResolverListAdapter activeListAdapter,
             @DrawableRes int iconRes, @StringRes int titleRes, @StringRes int subtitleRes,
             View.OnClickListener buttonOnClick) {
+        String title = titleRes == 0 ? null : mContext.getString(titleRes);
+        String subtitle = subtitleRes == 0 ? null : mContext.getString(subtitleRes);
+        showEmptyState(activeListAdapter, iconRes, title, subtitle, buttonOnClick);
+    }
+
+    protected void showEmptyState(ResolverListAdapter activeListAdapter,
+            @DrawableRes int iconRes, String title, String subtitle,
+            View.OnClickListener buttonOnClick) {
         ProfileDescriptor descriptor = getItem(
                 userHandleToPageIndex(activeListAdapter.getUserHandle()));
         descriptor.rootView.findViewById(R.id.resolver_list).setVisibility(View.GONE);
@@ -479,15 +492,15 @@
         View container = emptyStateView.findViewById(R.id.resolver_empty_state_container);
         setupContainerPadding(container);
 
-        TextView title = emptyStateView.findViewById(R.id.resolver_empty_state_title);
-        title.setText(titleRes);
+        TextView titleView = emptyStateView.findViewById(R.id.resolver_empty_state_title);
+        titleView.setText(title);
 
-        TextView subtitle = emptyStateView.findViewById(R.id.resolver_empty_state_subtitle);
-        if (subtitleRes != 0) {
-            subtitle.setVisibility(View.VISIBLE);
-            subtitle.setText(subtitleRes);
+        TextView subtitleView = emptyStateView.findViewById(R.id.resolver_empty_state_subtitle);
+        if (subtitle != null) {
+            subtitleView.setVisibility(View.VISIBLE);
+            subtitleView.setText(subtitle);
         } else {
-            subtitle.setVisibility(View.GONE);
+            subtitleView.setVisibility(View.GONE);
         }
 
         Button button = emptyStateView.findViewById(R.id.resolver_empty_state_button);
diff --git a/core/java/com/android/internal/app/ChooserMultiProfilePagerAdapter.java b/core/java/com/android/internal/app/ChooserMultiProfilePagerAdapter.java
index 3b6a877..393bff4 100644
--- a/core/java/com/android/internal/app/ChooserMultiProfilePagerAdapter.java
+++ b/core/java/com/android/internal/app/ChooserMultiProfilePagerAdapter.java
@@ -16,7 +16,17 @@
 
 package com.android.internal.app;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CANT_ACCESS_PERSONAL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CANT_ACCESS_WORK;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CANT_SHARE_WITH_PERSONAL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CANT_SHARE_WITH_WORK;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CROSS_PROFILE_BLOCKED_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_NO_PERSONAL_APPS;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_NO_WORK_APPS;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_WORK_PAUSED_TITLE;
+
 import android.annotation.Nullable;
+import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.os.UserHandle;
 import android.view.LayoutInflater;
@@ -184,8 +194,8 @@
             View.OnClickListener listener) {
         showEmptyState(activeListAdapter,
                 R.drawable.ic_work_apps_off,
-                R.string.resolver_turn_on_work_apps,
-                /* subtitleRes */ 0,
+                getWorkAppPausedTitle(),
+                /* subtitle = */ null,
                 listener);
     }
 
@@ -194,13 +204,13 @@
         if (mIsSendAction) {
             showEmptyState(activeListAdapter,
                     R.drawable.ic_sharing_disabled,
-                    R.string.resolver_cross_profile_blocked,
-                    R.string.resolver_cant_share_with_work_apps_explanation);
+                    getCrossProfileBlockedTitle(),
+                    getCantShareWithWorkMessage());
         } else {
             showEmptyState(activeListAdapter,
                     R.drawable.ic_sharing_disabled,
-                    R.string.resolver_cross_profile_blocked,
-                    R.string.resolver_cant_access_work_apps_explanation);
+                    getCrossProfileBlockedTitle(),
+                    getCantAccessWorkMessage());
         }
     }
 
@@ -209,13 +219,13 @@
         if (mIsSendAction) {
             showEmptyState(activeListAdapter,
                     R.drawable.ic_sharing_disabled,
-                    R.string.resolver_cross_profile_blocked,
-                    R.string.resolver_cant_share_with_personal_apps_explanation);
+                    getCrossProfileBlockedTitle(),
+                    getCantShareWithPersonalMessage());
         } else {
             showEmptyState(activeListAdapter,
                     R.drawable.ic_sharing_disabled,
-                    R.string.resolver_cross_profile_blocked,
-                    R.string.resolver_cant_access_personal_apps_explanation);
+                    getCrossProfileBlockedTitle(),
+                    getCantAccessPersonalMessage());
         }
     }
 
@@ -223,8 +233,8 @@
     protected void showNoPersonalAppsAvailableEmptyState(ResolverListAdapter listAdapter) {
         showEmptyState(listAdapter,
                 R.drawable.ic_no_apps,
-                R.string.resolver_no_personal_apps_available,
-                /* subtitleRes */ 0);
+                getNoPersonalAppsAvailableMessage(),
+                /* subtitle= */ null);
 
     }
 
@@ -232,10 +242,65 @@
     protected void showNoWorkAppsAvailableEmptyState(ResolverListAdapter listAdapter) {
         showEmptyState(listAdapter,
                 R.drawable.ic_no_apps,
-                R.string.resolver_no_work_apps_available,
-                /* subtitleRes */ 0);
+                getNoWorkAppsAvailableMessage(),
+                /* subtitle = */ null);
     }
 
+    private String getWorkAppPausedTitle() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_WORK_PAUSED_TITLE,
+                () -> getContext().getString(R.string.resolver_turn_on_work_apps));
+    }
+
+    private String getCrossProfileBlockedTitle() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_CROSS_PROFILE_BLOCKED_TITLE,
+                () -> getContext().getString(R.string.resolver_cross_profile_blocked));
+    }
+
+    private String getCantShareWithWorkMessage() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_CANT_SHARE_WITH_WORK,
+                () -> getContext().getString(
+                        R.string.resolver_cant_share_with_work_apps_explanation));
+    }
+
+    private String getCantShareWithPersonalMessage() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_CANT_SHARE_WITH_PERSONAL,
+                () -> getContext().getString(
+                        R.string.resolver_cant_share_with_personal_apps_explanation));
+    }
+
+    private String getCantAccessWorkMessage() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_CANT_ACCESS_WORK,
+                () -> getContext().getString(
+                        R.string.resolver_cant_access_work_apps_explanation));
+    }
+
+    private String getCantAccessPersonalMessage() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_CANT_ACCESS_PERSONAL,
+                () -> getContext().getString(
+                        R.string.resolver_cant_access_personal_apps_explanation));
+    }
+
+    private String getNoWorkAppsAvailableMessage() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_NO_WORK_APPS,
+                () -> getContext().getString(
+                        R.string.resolver_no_work_apps_available));
+    }
+
+    private String getNoPersonalAppsAvailableMessage() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_NO_PERSONAL_APPS,
+                () -> getContext().getString(
+                        R.string.resolver_no_personal_apps_available));
+    }
+
+
     void setEmptyStateBottomOffset(int bottomOffset) {
         mBottomOffset = bottomOffset;
     }
diff --git a/core/java/com/android/internal/app/IBatteryStats.aidl b/core/java/com/android/internal/app/IBatteryStats.aidl
index 587876d..9648008 100644
--- a/core/java/com/android/internal/app/IBatteryStats.aidl
+++ b/core/java/com/android/internal/app/IBatteryStats.aidl
@@ -21,6 +21,7 @@
 import android.bluetooth.BluetoothActivityEnergyInfo;
 import android.os.BatteryUsageStats;
 import android.os.BatteryUsageStatsQuery;
+import android.os.BluetoothBatteryStats;
 import android.os.ParcelFileDescriptor;
 import android.os.WakeLockStats;
 import android.os.WorkSource;
@@ -162,6 +163,10 @@
     @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.BATTERY_STATS)")
     WakeLockStats getWakeLockStats();
 
+    /** {@hide} */
+    @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.BATTERY_STATS)")
+    BluetoothBatteryStats getBluetoothBatteryStats();
+
     HealthStatsParceler takeUidSnapshot(int uid);
     HealthStatsParceler[] takeUidSnapshots(in int[] uid);
 
diff --git a/core/java/com/android/internal/app/IntentForwarderActivity.java b/core/java/com/android/internal/app/IntentForwarderActivity.java
index 0f37dc5..25b8dba 100644
--- a/core/java/com/android/internal/app/IntentForwarderActivity.java
+++ b/core/java/com/android/internal/app/IntentForwarderActivity.java
@@ -16,13 +16,14 @@
 
 package com.android.internal.app;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.FORWARD_INTENT_TO_PERSONAL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.FORWARD_INTENT_TO_WORK;
 import static android.content.pm.PackageManager.MATCH_DEFAULT_ONLY;
 
 import static com.android.internal.app.ResolverActivity.EXTRA_CALLING_USER;
 import static com.android.internal.app.ResolverActivity.EXTRA_SELECTED_PROFILE;
 
 import android.annotation.Nullable;
-import android.annotation.StringRes;
 import android.app.Activity;
 import android.app.ActivityThread;
 import android.app.AppGlobals;
@@ -101,16 +102,16 @@
         Intent intentReceived = getIntent();
         String className = intentReceived.getComponent().getClassName();
         final int targetUserId;
-        final int userMessageId;
+        final String userMessage;
         if (className.equals(FORWARD_INTENT_TO_PARENT)) {
-            userMessageId = com.android.internal.R.string.forward_intent_to_owner;
+            userMessage = getForwardToPersonalMessage();
             targetUserId = getProfileParent();
 
             getMetricsLogger().write(
                     new LogMaker(MetricsEvent.ACTION_SWITCH_SHARE_PROFILE)
                     .setSubtype(MetricsEvent.PARENT_PROFILE));
         } else if (className.equals(FORWARD_INTENT_TO_MANAGED_PROFILE)) {
-            userMessageId = com.android.internal.R.string.forward_intent_to_work;
+            userMessage = getForwardToWorkMessage();
             targetUserId = getManagedProfile();
 
             getMetricsLogger().write(
@@ -118,7 +119,7 @@
                     .setSubtype(MetricsEvent.MANAGED_PROFILE));
         } else {
             Slog.wtf(TAG, IntentForwarderActivity.class.getName() + " cannot be called directly");
-            userMessageId = -1;
+            userMessage = null;
             targetUserId = UserHandle.USER_NULL;
         }
         if (targetUserId == UserHandle.USER_NULL) {
@@ -156,11 +157,23 @@
                     return targetResolveInfo;
                 }, mExecutorService)
                 .thenAcceptAsync(result -> {
-                    maybeShowDisclosure(intentReceived, result, userMessageId);
+                    maybeShowDisclosure(intentReceived, result, userMessage);
                     finish();
                 }, getApplicationContext().getMainExecutor());
     }
 
+    private String getForwardToPersonalMessage() {
+        return getSystemService(DevicePolicyManager.class).getString(
+                FORWARD_INTENT_TO_PERSONAL,
+                () -> getString(com.android.internal.R.string.forward_intent_to_owner));
+    }
+
+    private String getForwardToWorkMessage() {
+        return getSystemService(DevicePolicyManager.class).getString(
+                FORWARD_INTENT_TO_WORK,
+                () -> getString(com.android.internal.R.string.forward_intent_to_work));
+    }
+
     private boolean isIntentForwarderResolveInfo(ResolveInfo resolveInfo) {
         if (resolveInfo == null) {
             return false;
@@ -183,9 +196,9 @@
     }
 
     private void maybeShowDisclosure(
-            Intent intentReceived, ResolveInfo resolveInfo, int messageId) {
-        if (shouldShowDisclosure(resolveInfo, intentReceived)) {
-            mInjector.showToast(messageId, Toast.LENGTH_LONG);
+            Intent intentReceived, ResolveInfo resolveInfo, @Nullable String message) {
+        if (shouldShowDisclosure(resolveInfo, intentReceived) && message != null) {
+            mInjector.showToast(message, Toast.LENGTH_LONG);
         }
     }
 
@@ -405,8 +418,8 @@
         }
 
         @Override
-        public void showToast(int messageId, int duration) {
-            Toast.makeText(IntentForwarderActivity.this, getString(messageId), duration).show();
+        public void showToast(String message, int duration) {
+            Toast.makeText(IntentForwarderActivity.this, message, duration).show();
         }
     }
 
@@ -419,6 +432,6 @@
 
         CompletableFuture<ResolveInfo> resolveActivityAsUser(Intent intent, int flags, int userId);
 
-        void showToast(@StringRes int messageId, int duration);
+        void showToast(String message, int duration);
     }
 }
diff --git a/core/java/com/android/internal/app/ResolverActivity.java b/core/java/com/android/internal/app/ResolverActivity.java
index f9a8c7b..347153c 100644
--- a/core/java/com/android/internal/app/ResolverActivity.java
+++ b/core/java/com/android/internal/app/ResolverActivity.java
@@ -17,6 +17,13 @@
 package com.android.internal.app;
 
 import static android.Manifest.permission.INTERACT_ACROSS_PROFILES;
+import static android.app.admin.DevicePolicyResources.Strings.Core.FORWARD_INTENT_TO_PERSONAL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.FORWARD_INTENT_TO_WORK;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_PERSONAL_TAB;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_PERSONAL_TAB_ACCESSIBILITY;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_WORK_PROFILE_NOT_SUPPORTED;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_WORK_TAB;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_WORK_TAB_ACCESSIBILITY;
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
 import static android.content.PermissionChecker.PID_UNKNOWN;
 import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
@@ -32,6 +39,7 @@
 import android.app.VoiceInteractor.PickOptionRequest.Option;
 import android.app.VoiceInteractor.Prompt;
 import android.app.admin.DevicePolicyEventLogger;
+import android.app.admin.DevicePolicyManager;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
@@ -123,7 +131,7 @@
     protected View mProfileView;
     private int mLastSelected = AbsListView.INVALID_POSITION;
     private boolean mResolvingHome = false;
-    private int mProfileSwitchMessageId = -1;
+    private String mProfileSwitchMessage;
     private int mLayoutId;
     @VisibleForTesting
     protected final ArrayList<Intent> mIntents = new ArrayList<>();
@@ -441,7 +449,7 @@
 
         // Determine whether we should show that intent is forwarded
         // from managed profile to owner or other way around.
-        setProfileSwitchMessageId(intent.getContentUserHint());
+        setProfileSwitchMessage(intent.getContentUserHint());
 
         mLaunchedFromUid = getLaunchedFromUid();
         if (mLaunchedFromUid < 0 || UserHandle.isIsolated(mLaunchedFromUid)) {
@@ -674,7 +682,7 @@
         }
 
         // Do not show the profile switch message anymore.
-        mProfileSwitchMessageId = -1;
+        mProfileSwitchMessage = null;
 
         onTargetSelected(dri, false);
         if (!mAwaitingDelegateResponse) {
@@ -828,7 +836,7 @@
         }
     }
 
-    private void setProfileSwitchMessageId(int contentUserHint) {
+    private void setProfileSwitchMessage(int contentUserHint) {
         if (contentUserHint != UserHandle.USER_CURRENT &&
                 contentUserHint != UserHandle.myUserId()) {
             UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE);
@@ -837,13 +845,25 @@
                     : false;
             boolean targetIsManaged = userManager.isManagedProfile();
             if (originIsManaged && !targetIsManaged) {
-                mProfileSwitchMessageId = com.android.internal.R.string.forward_intent_to_owner;
+                mProfileSwitchMessage = getForwardToPersonalMsg();
             } else if (!originIsManaged && targetIsManaged) {
-                mProfileSwitchMessageId = com.android.internal.R.string.forward_intent_to_work;
+                mProfileSwitchMessage = getForwardToWorkMsg();
             }
         }
     }
 
+    private String getForwardToPersonalMsg() {
+        return getSystemService(DevicePolicyManager.class).getString(
+                FORWARD_INTENT_TO_PERSONAL,
+                () -> getString(com.android.internal.R.string.forward_intent_to_owner));
+    }
+
+    private String getForwardToWorkMsg() {
+        return getSystemService(DevicePolicyManager.class).getString(
+                FORWARD_INTENT_TO_WORK,
+                () -> getString(com.android.internal.R.string.forward_intent_to_work));
+    }
+
     /**
      * Turn on launch mode that is safe to use when forwarding intents received from
      * applications and running in system processes.  This mode uses Activity.startActivityAsCaller
@@ -1095,9 +1115,9 @@
         ResolveInfo ri = mMultiProfilePagerAdapter.getActiveListAdapter()
                 .resolveInfoForPosition(which, hasIndexBeenFiltered);
         if (mResolvingHome && hasManagedProfile() && !supportsManagedProfiles(ri)) {
-            Toast.makeText(this, String.format(getResources().getString(
-                    com.android.internal.R.string.activity_resolver_work_profiles_support),
-                    ri.activityInfo.loadLabel(getPackageManager()).toString()),
+            Toast.makeText(this,
+                    getWorkProfileNotSupportedMsg(
+                            ri.activityInfo.loadLabel(getPackageManager()).toString()),
                     Toast.LENGTH_LONG).show();
             return;
         }
@@ -1128,6 +1148,15 @@
         }
     }
 
+    private String getWorkProfileNotSupportedMsg(String launcherName) {
+        return getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_WORK_PROFILE_NOT_SUPPORTED,
+                () -> getString(
+                        com.android.internal.R.string.activity_resolver_work_profiles_support,
+                        launcherName),
+                launcherName);
+    }
+
     /**
      * Replace me in subclasses!
      */
@@ -1394,8 +1423,8 @@
         }
         // If needed, show that intent is forwarded
         // from managed profile to owner or other way around.
-        if (mProfileSwitchMessageId != -1) {
-            Toast.makeText(this, getString(mProfileSwitchMessageId), Toast.LENGTH_LONG).show();
+        if (mProfileSwitchMessage != null) {
+            Toast.makeText(this, mProfileSwitchMessage, Toast.LENGTH_LONG).show();
         }
         if (!mSafeForwardingMode) {
             if (cti.startAsUser(this, null, user)) {
@@ -1742,12 +1771,12 @@
         viewPager.setSaveEnabled(false);
         TabHost.TabSpec tabSpec = tabHost.newTabSpec(TAB_TAG_PERSONAL)
                 .setContent(R.id.profile_pager)
-                .setIndicator(getString(R.string.resolver_personal_tab));
+                .setIndicator(getPersonalTabLabel());
         tabHost.addTab(tabSpec);
 
         tabSpec = tabHost.newTabSpec(TAB_TAG_WORK)
                 .setContent(R.id.profile_pager)
-                .setIndicator(getString(R.string.resolver_work_tab));
+                .setIndicator(getWorkTabLabel());
         tabHost.addTab(tabSpec);
 
         TabWidget tabWidget = tabHost.getTabWidget();
@@ -1799,6 +1828,16 @@
         findViewById(R.id.resolver_tab_divider).setVisibility(View.VISIBLE);
     }
 
+    private String getPersonalTabLabel() {
+        return getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_PERSONAL_TAB, () -> getString(R.string.resolver_personal_tab));
+    }
+
+    private String getWorkTabLabel() {
+        return getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_WORK_TAB, () -> getString(R.string.resolver_work_tab));
+    }
+
     void onHorizontalSwipeStateChanged(int state) {}
 
     private void maybeHideDivider() {
@@ -1830,8 +1869,6 @@
     }
 
     private void resetTabsHeaderStyle(TabWidget tabWidget) {
-        String workContentDescription = getString(R.string.resolver_work_tab_accessibility);
-        String personalContentDescription = getString(R.string.resolver_personal_tab_accessibility);
         for (int i = 0; i < tabWidget.getChildCount(); i++) {
             View tabView = tabWidget.getChildAt(i);
             TextView title = tabView.findViewById(android.R.id.title);
@@ -1839,14 +1876,26 @@
             title.setTextColor(getAttrColor(this, android.R.attr.textColorTertiary));
             title.setTextSize(TypedValue.COMPLEX_UNIT_PX,
                     getResources().getDimension(R.dimen.resolver_tab_text_size));
-            if (title.getText().equals(getString(R.string.resolver_personal_tab))) {
-                tabView.setContentDescription(personalContentDescription);
-            } else if (title.getText().equals(getString(R.string.resolver_work_tab))) {
-                tabView.setContentDescription(workContentDescription);
+            if (title.getText().equals(getPersonalTabLabel())) {
+                tabView.setContentDescription(getPersonalTabAccessibilityLabel());
+            } else if (title.getText().equals(getWorkTabLabel())) {
+                tabView.setContentDescription(getWorkTabAccessibilityLabel());
             }
         }
     }
 
+    private String getPersonalTabAccessibilityLabel() {
+        return getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_PERSONAL_TAB_ACCESSIBILITY,
+                () -> getString(R.string.resolver_personal_tab_accessibility));
+    }
+
+    private String getWorkTabAccessibilityLabel() {
+        return getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_WORK_TAB_ACCESSIBILITY,
+                () -> getString(R.string.resolver_work_tab_accessibility));
+    }
+
     private static int getAttrColor(Context context, int attr) {
         TypedArray ta = context.obtainStyledAttributes(new int[]{attr});
         int colorAccent = ta.getColor(0, 0);
diff --git a/core/java/com/android/internal/app/ResolverMultiProfilePagerAdapter.java b/core/java/com/android/internal/app/ResolverMultiProfilePagerAdapter.java
index 622f166..4da59a3 100644
--- a/core/java/com/android/internal/app/ResolverMultiProfilePagerAdapter.java
+++ b/core/java/com/android/internal/app/ResolverMultiProfilePagerAdapter.java
@@ -16,7 +16,15 @@
 
 package com.android.internal.app;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CANT_ACCESS_PERSONAL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CANT_ACCESS_WORK;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_CROSS_PROFILE_BLOCKED_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_NO_PERSONAL_APPS;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_NO_WORK_APPS;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_WORK_PAUSED_TITLE;
+
 import android.annotation.Nullable;
+import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.UserHandle;
@@ -196,8 +204,8 @@
             View.OnClickListener listener) {
         showEmptyState(activeListAdapter,
                 R.drawable.ic_work_apps_off,
-                R.string.resolver_turn_on_work_apps,
-                /* subtitleRes */ 0,
+                getWorkAppPausedTitle(),
+                /* subtitle = */ null,
                 listener);
     }
 
@@ -205,32 +213,72 @@
     protected void showNoPersonalToWorkIntentsEmptyState(ResolverListAdapter activeListAdapter) {
         showEmptyState(activeListAdapter,
                 R.drawable.ic_sharing_disabled,
-                R.string.resolver_cross_profile_blocked,
-                R.string.resolver_cant_access_work_apps_explanation);
+                getCrossProfileBlockedTitle(),
+                getCantAccessWorkMessage());
     }
 
     @Override
     protected void showNoWorkToPersonalIntentsEmptyState(ResolverListAdapter activeListAdapter) {
         showEmptyState(activeListAdapter,
                 R.drawable.ic_sharing_disabled,
-                R.string.resolver_cross_profile_blocked,
-                R.string.resolver_cant_access_personal_apps_explanation);
+                getCrossProfileBlockedTitle(),
+                getCantAccessPersonalMessage());
     }
 
     @Override
     protected void showNoPersonalAppsAvailableEmptyState(ResolverListAdapter listAdapter) {
         showEmptyState(listAdapter,
                 R.drawable.ic_no_apps,
-                R.string.resolver_no_personal_apps_available,
-                /* subtitleRes */ 0);
+                getNoPersonalAppsAvailableMessage(),
+                /* subtitle = */ null);
     }
 
     @Override
     protected void showNoWorkAppsAvailableEmptyState(ResolverListAdapter listAdapter) {
         showEmptyState(listAdapter,
                 R.drawable.ic_no_apps,
-                R.string.resolver_no_work_apps_available,
-                /* subtitleRes */ 0);
+                getNoWorkAppsAvailableMessage(),
+                /* subtitle= */ null);
+    }
+
+    private String getWorkAppPausedTitle() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_WORK_PAUSED_TITLE,
+                () -> getContext().getString(R.string.resolver_turn_on_work_apps));
+    }
+
+    private String getCrossProfileBlockedTitle() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_CROSS_PROFILE_BLOCKED_TITLE,
+                () -> getContext().getString(R.string.resolver_cross_profile_blocked));
+    }
+
+    private String getCantAccessWorkMessage() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_CANT_ACCESS_WORK,
+                () -> getContext().getString(
+                        R.string.resolver_cant_access_work_apps_explanation));
+    }
+
+    private String getCantAccessPersonalMessage() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_CANT_ACCESS_PERSONAL,
+                () -> getContext().getString(
+                        R.string.resolver_cant_access_personal_apps_explanation));
+    }
+
+    private String getNoWorkAppsAvailableMessage() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_NO_WORK_APPS,
+                () -> getContext().getString(
+                        R.string.resolver_no_work_apps_available));
+    }
+
+    private String getNoPersonalAppsAvailableMessage() {
+        return getContext().getSystemService(DevicePolicyManager.class).getString(
+                RESOLVER_NO_PERSONAL_APPS,
+                () -> getContext().getString(
+                        R.string.resolver_no_personal_apps_available));
     }
 
     void setUseLayoutWithDefault(boolean useLayoutWithDefault) {
diff --git a/core/java/com/android/internal/app/UnlaunchableAppActivity.java b/core/java/com/android/internal/app/UnlaunchableAppActivity.java
index ca0856238..3531fad 100644
--- a/core/java/com/android/internal/app/UnlaunchableAppActivity.java
+++ b/core/java/com/android/internal/app/UnlaunchableAppActivity.java
@@ -16,11 +16,14 @@
 
 package com.android.internal.app;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.UNLAUNCHABLE_APP_WORK_PAUSED_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.UNLAUNCHABLE_APP_WORK_PAUSED_TITLE;
 import static android.content.Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS;
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
 
 import android.app.Activity;
 import android.app.AlertDialog;
+import android.app.admin.DevicePolicyManager;
 import android.content.ComponentName;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -70,8 +73,8 @@
         String dialogTitle;
         String dialogMessage = null;
         if (mReason == UNLAUNCHABLE_REASON_QUIET_MODE) {
-            dialogTitle = getResources().getString(R.string.work_mode_off_title);
-            dialogMessage = getResources().getString(R.string.work_mode_off_message);
+            dialogTitle = getDialogTitle();
+            dialogMessage = getDialogMessage();
         } else {
             Log.wtf(TAG, "Invalid unlaunchable type: " + mReason);
             finish();
@@ -91,6 +94,17 @@
         builder.show();
     }
 
+    private String getDialogTitle() {
+        return getSystemService(DevicePolicyManager.class).getString(
+                UNLAUNCHABLE_APP_WORK_PAUSED_TITLE, () -> getString(R.string.work_mode_off_title));
+    }
+
+    private String getDialogMessage() {
+        return getSystemService(DevicePolicyManager.class).getString(
+                UNLAUNCHABLE_APP_WORK_PAUSED_MESSAGE,
+                () -> getString(R.string.work_mode_off_message));
+    }
+
     @Override
     public void onDismiss(DialogInterface dialog) {
         finish();
diff --git a/core/java/com/android/internal/notification/SystemNotificationChannels.java b/core/java/com/android/internal/notification/SystemNotificationChannels.java
index 2f40d3b..3b6f8f6 100644
--- a/core/java/com/android/internal/notification/SystemNotificationChannels.java
+++ b/core/java/com/android/internal/notification/SystemNotificationChannels.java
@@ -14,10 +14,13 @@
 
 package com.android.internal.notification;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.NOTIFICATION_CHANNEL_DEVICE_ADMIN;
+
 import android.app.INotificationManager;
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
+import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.content.pm.ParceledListSlice;
 import android.media.AudioAttributes;
@@ -143,7 +146,7 @@
 
         final NotificationChannel deviceAdmin = new NotificationChannel(
                 DEVICE_ADMIN,
-                context.getString(R.string.notification_channel_device_admin),
+                getDeviceAdminNotificationChannelName(context),
                 NotificationManager.IMPORTANCE_HIGH);
         channelsList.add(deviceAdmin);
 
@@ -209,6 +212,12 @@
         nm.createNotificationChannels(channelsList);
     }
 
+    private static String getDeviceAdminNotificationChannelName(Context context) {
+        DevicePolicyManager dpm = context.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(NOTIFICATION_CHANNEL_DEVICE_ADMIN,
+                () -> context.getString(R.string.notification_channel_device_admin));
+    }
+
     /** Remove notification channels which are no longer used */
     public static void removeDeprecated(Context context) {
         final NotificationManager nm = context.getSystemService(NotificationManager.class);
diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index 7c203fb..8213c86 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -45,6 +45,7 @@
 import android.os.BatteryManager;
 import android.os.BatteryStats;
 import android.os.Binder;
+import android.os.BluetoothBatteryStats;
 import android.os.Build;
 import android.os.Handler;
 import android.os.IBatteryPropertiesRegistrar;
@@ -1196,6 +1197,48 @@
         return new WakeLockStats(uidWakeLockStats);
     }
 
+    @Override
+    @GuardedBy("this")
+    public BluetoothBatteryStats getBluetoothBatteryStats() {
+        final long elapsedRealtimeUs = mClock.elapsedRealtime() * 1000;
+        ArrayList<BluetoothBatteryStats.UidStats> uidStats = new ArrayList<>();
+        for (int i = mUidStats.size() - 1; i >= 0; i--) {
+            final Uid uid = mUidStats.valueAt(i);
+            final Timer scanTimer = uid.getBluetoothScanTimer();
+            final long scanTimeMs =
+                    scanTimer != null ? scanTimer.getTotalTimeLocked(
+                            elapsedRealtimeUs, STATS_SINCE_CHARGED) / 1000 : 0;
+
+            final Timer unoptimizedScanTimer = uid.getBluetoothUnoptimizedScanTimer();
+            final long unoptimizedScanTimeMs =
+                    unoptimizedScanTimer != null ? unoptimizedScanTimer.getTotalTimeLocked(
+                            elapsedRealtimeUs, STATS_SINCE_CHARGED) / 1000 : 0;
+
+            final Counter scanResultCounter = uid.getBluetoothScanResultCounter();
+            final int scanResultCount =
+                    scanResultCounter != null ? scanResultCounter.getCountLocked(
+                            STATS_SINCE_CHARGED) : 0;
+
+            final ControllerActivityCounter counter = uid.getBluetoothControllerActivity();
+            final long rxTimeMs =  counter != null ? counter.getRxTimeCounter().getCountLocked(
+                    STATS_SINCE_CHARGED) : 0;
+            final long txTimeMs =  counter != null ? counter.getTxTimeCounters()[0].getCountLocked(
+                    STATS_SINCE_CHARGED) : 0;
+
+            if (scanTimeMs != 0 || unoptimizedScanTimeMs != 0 || scanResultCount != 0
+                    || rxTimeMs != 0 || txTimeMs != 0) {
+                uidStats.add(new BluetoothBatteryStats.UidStats(uid.getUid(),
+                        scanTimeMs,
+                        unoptimizedScanTimeMs,
+                        scanResultCount,
+                        rxTimeMs,
+                        txTimeMs));
+            }
+        }
+
+        return new BluetoothBatteryStats(uidStats);
+    }
+
     String mLastWakeupReason = null;
     long mLastWakeupUptimeMs = 0;
     private final HashMap<String, SamplingTimer> mWakeupReasonStats = new HashMap<>();
@@ -12763,60 +12806,58 @@
             long totalTxPackets = 0;
             long totalRxPackets = 0;
             if (delta != null) {
-                NetworkStats.Entry entry = new NetworkStats.Entry();
-                final int size = delta.size();
-                for (int i = 0; i < size; i++) {
-                    entry = delta.getValues(i, entry);
-
+                for (NetworkStats.Entry entry : delta) {
                     if (DEBUG_ENERGY) {
-                        Slog.d(TAG, "Wifi uid " + entry.uid + ": delta rx=" + entry.rxBytes
-                                + " tx=" + entry.txBytes + " rxPackets=" + entry.rxPackets
-                                + " txPackets=" + entry.txPackets);
+                        Slog.d(TAG, "Wifi uid " + entry.getUid()
+                                + ": delta rx=" + entry.getRxBytes()
+                                + " tx=" + entry.getTxBytes()
+                                + " rxPackets=" + entry.getRxPackets()
+                                + " txPackets=" + entry.getTxPackets());
                     }
 
-                    if (entry.rxBytes == 0 && entry.txBytes == 0) {
+                    if (entry.getRxBytes() == 0 && entry.getTxBytes() == 0) {
                         // Skip the lookup below since there is no work to do.
                         continue;
                     }
 
-                    final int uid = mapUid(entry.uid);
+                    final int uid = mapUid(entry.getUid());
                     final Uid u = getUidStatsLocked(uid, elapsedRealtimeMs, uptimeMs);
-                    if (entry.rxBytes != 0) {
-                        u.noteNetworkActivityLocked(NETWORK_WIFI_RX_DATA, entry.rxBytes,
-                                entry.rxPackets);
-                        if (entry.set == NetworkStats.SET_DEFAULT) { // Background transfers
-                            u.noteNetworkActivityLocked(NETWORK_WIFI_BG_RX_DATA, entry.rxBytes,
-                                    entry.rxPackets);
+                    if (entry.getRxBytes() != 0) {
+                        u.noteNetworkActivityLocked(NETWORK_WIFI_RX_DATA, entry.getRxBytes(),
+                                entry.getRxPackets());
+                        if (entry.getSet() == NetworkStats.SET_DEFAULT) { // Background transfers
+                            u.noteNetworkActivityLocked(NETWORK_WIFI_BG_RX_DATA, entry.getRxBytes(),
+                                    entry.getRxPackets());
                         }
                         mNetworkByteActivityCounters[NETWORK_WIFI_RX_DATA].addCountLocked(
-                                entry.rxBytes);
+                                entry.getRxBytes());
                         mNetworkPacketActivityCounters[NETWORK_WIFI_RX_DATA].addCountLocked(
-                                entry.rxPackets);
+                                entry.getRxPackets());
 
-                        rxPackets.incrementValue(uid, entry.rxPackets);
+                        rxPackets.incrementValue(uid, entry.getRxPackets());
 
                         // Sum the total number of packets so that the Rx Power can
                         // be evenly distributed amongst the apps.
-                        totalRxPackets += entry.rxPackets;
+                        totalRxPackets += entry.getRxPackets();
                     }
 
-                    if (entry.txBytes != 0) {
-                        u.noteNetworkActivityLocked(NETWORK_WIFI_TX_DATA, entry.txBytes,
-                                entry.txPackets);
-                        if (entry.set == NetworkStats.SET_DEFAULT) { // Background transfers
-                            u.noteNetworkActivityLocked(NETWORK_WIFI_BG_TX_DATA, entry.txBytes,
-                                    entry.txPackets);
+                    if (entry.getTxBytes() != 0) {
+                        u.noteNetworkActivityLocked(NETWORK_WIFI_TX_DATA, entry.getTxBytes(),
+                                entry.getTxPackets());
+                        if (entry.getSet() == NetworkStats.SET_DEFAULT) { // Background transfers
+                            u.noteNetworkActivityLocked(NETWORK_WIFI_BG_TX_DATA, entry.getTxBytes(),
+                                    entry.getTxPackets());
                         }
                         mNetworkByteActivityCounters[NETWORK_WIFI_TX_DATA].addCountLocked(
-                                entry.txBytes);
+                                entry.getTxBytes());
                         mNetworkPacketActivityCounters[NETWORK_WIFI_TX_DATA].addCountLocked(
-                                entry.txPackets);
+                                entry.getTxPackets());
 
-                        txPackets.incrementValue(uid, entry.txPackets);
+                        txPackets.incrementValue(uid, entry.getTxPackets());
 
                         // Sum the total number of packets so that the Tx Power can
                         // be evenly distributed amongst the apps.
-                        totalTxPackets += entry.txPackets;
+                        totalTxPackets += entry.getTxPackets();
                     }
 
                     // Calculate consumed energy for this uid. Only do so if WifiReporting isn't
@@ -12844,7 +12885,7 @@
 
                         uidEstimatedConsumptionMah.incrementValue(u.getUid(),
                                 mWifiPowerCalculator.calcPowerWithoutControllerDataMah(
-                                        entry.rxPackets, entry.txPackets,
+                                        entry.getRxPackets(), entry.getTxPackets(),
                                         uidRunningMs, uidScanMs, uidBatchScanMs));
                     }
                 }
diff --git a/core/java/com/android/internal/os/BatteryUsageStatsStore.java b/core/java/com/android/internal/os/BatteryUsageStatsStore.java
index fd54b32..af82f40 100644
--- a/core/java/com/android/internal/os/BatteryUsageStatsStore.java
+++ b/core/java/com/android/internal/os/BatteryUsageStatsStore.java
@@ -58,6 +58,7 @@
             new BatteryUsageStatsQuery.Builder()
                     .setMaxStatsAgeMs(0)
                     .includePowerModels()
+                    .includeProcessStateData()
                     .build());
     private static final String BATTERY_USAGE_STATS_DIR = "battery-usage-stats";
     private static final String SNAPSHOT_FILE_EXTENSION = ".bus";
diff --git a/core/java/com/android/internal/os/BinderLatencyObserver.java b/core/java/com/android/internal/os/BinderLatencyObserver.java
index 20cf102..e9d55db 100644
--- a/core/java/com/android/internal/os/BinderLatencyObserver.java
+++ b/core/java/com/android/internal/os/BinderLatencyObserver.java
@@ -19,7 +19,6 @@
 import android.annotation.Nullable;
 import android.os.Binder;
 import android.os.Handler;
-import android.os.Looper;
 import android.os.SystemClock;
 import android.util.ArrayMap;
 import android.util.Slog;
@@ -181,7 +180,7 @@
         }
 
         public Handler getHandler() {
-            return new Handler(Looper.getMainLooper());
+            return BackgroundThread.getHandler();
         }
     }
 
diff --git a/core/java/com/android/internal/usb/DumpUtils.java b/core/java/com/android/internal/usb/DumpUtils.java
index 3260136..b06a7f4 100644
--- a/core/java/com/android/internal/usb/DumpUtils.java
+++ b/core/java/com/android/internal/usb/DumpUtils.java
@@ -244,7 +244,10 @@
         writeContaminantPresenceStatus(dump, "contaminant_presence_status",
                 UsbPortStatusProto.CONTAMINANT_PRESENCE_STATUS,
                 status.getContaminantDetectionStatus());
-
+        dump.write("usb_data_enabled", UsbPortStatusProto.USB_DATA_ENABLED,
+                status.getUsbDataStatus());
+        dump.write("is_power_transfer_limited", UsbPortStatusProto.IS_POWER_TRANSFER_LIMITED,
+                status.isPowerTransferLimited());
         dump.end(token);
     }
 }
diff --git a/core/java/com/android/internal/view/IInputMethod.aidl b/core/java/com/android/internal/view/IInputMethod.aidl
index 402fa64..6a626ee 100644
--- a/core/java/com/android/internal/view/IInputMethod.aidl
+++ b/core/java/com/android/internal/view/IInputMethod.aidl
@@ -53,8 +53,6 @@
 
     void setSessionEnabled(IInputMethodSession session, boolean enabled);
 
-    void revokeSession(IInputMethodSession session);
-
     void showSoftInput(in IBinder showInputToken, int flags, in ResultReceiver resultReceiver);
 
     void hideSoftInput(in IBinder hideInputToken, int flags, in ResultReceiver resultReceiver);
diff --git a/core/jni/Android.bp b/core/jni/Android.bp
index 2b25b8d..430d84e 100644
--- a/core/jni/Android.bp
+++ b/core/jni/Android.bp
@@ -254,7 +254,6 @@
                 "libandroidicu",
                 "libbattery",
                 "libbpf_android",
-                "libnetdbpf",
                 "libnetdutils",
                 "libmemtrack",
                 "libandroidfw",
diff --git a/core/jni/OWNERS b/core/jni/OWNERS
index 4357729..9a460f5 100644
--- a/core/jni/OWNERS
+++ b/core/jni/OWNERS
@@ -76,6 +76,9 @@
 per-file AndroidRuntime.cpp = calin@google.com, ngeoffray@google.com, oth@google.com
 # Although marked "view" this is mostly graphics stuff
 per-file android_view_* = file:/graphics/java/android/graphics/OWNERS
+# File used for Android Studio layoutlib
+per-file LayoutlibLoader.cpp = file:/graphics/java/android/graphics/OWNERS
+per-file LayoutlibLoader.cpp = diegoperez@google.com, jgaillard@google.com
 
 # Verity
 per-file com_android_internal_security_Verity* = ebiggers@google.com, victorhsieh@google.com
diff --git a/core/jni/android_text_Hyphenator.cpp b/core/jni/android_text_Hyphenator.cpp
index 3651dbd..571a8e2 100644
--- a/core/jni/android_text_Hyphenator.cpp
+++ b/core/jni/android_text_Hyphenator.cpp
@@ -127,6 +127,7 @@
     addHyphenator("or", INDIC_MIN_PREFIX, INDIC_MIN_SUFFIX);  // Oriya
     addHyphenator("pa", INDIC_MIN_PREFIX, INDIC_MIN_SUFFIX);  // Punjabi
     addHyphenator("pt", 2, 3);  // Portuguese
+    addHyphenator("ru", 2, 2);  // Russian
     addHyphenator("sk", 2, 2);  // Slovak
     addHyphenator("sl", 2, 2);  // Slovenian
     addHyphenator("sq", 2, 2);  // Albanian
diff --git a/core/jni/android_view_SurfaceControl.cpp b/core/jni/android_view_SurfaceControl.cpp
index dd5af04..d5470cc 100644
--- a/core/jni/android_view_SurfaceControl.cpp
+++ b/core/jni/android_view_SurfaceControl.cpp
@@ -91,6 +91,7 @@
     jfieldID density;
     jfieldID secure;
     jfieldID deviceProductInfo;
+    jfieldID installOrientation;
 } gStaticDisplayInfoClassInfo;
 
 static struct {
@@ -1210,6 +1211,8 @@
     env->SetBooleanField(object, gStaticDisplayInfoClassInfo.secure, info.secure);
     env->SetObjectField(object, gStaticDisplayInfoClassInfo.deviceProductInfo,
                         convertDeviceProductInfoToJavaObject(env, info.deviceProductInfo));
+    env->SetIntField(object, gStaticDisplayInfoClassInfo.installOrientation,
+                     static_cast<uint32_t>(info.installOrientation));
     return object;
 }
 
@@ -2152,6 +2155,8 @@
     gStaticDisplayInfoClassInfo.deviceProductInfo =
             GetFieldIDOrDie(env, infoClazz, "deviceProductInfo",
                             "Landroid/hardware/display/DeviceProductInfo;");
+    gStaticDisplayInfoClassInfo.installOrientation =
+            GetFieldIDOrDie(env, infoClazz, "installOrientation", "I");
 
     jclass dynamicInfoClazz = FindClassOrDie(env, "android/view/SurfaceControl$DynamicDisplayInfo");
     gDynamicDisplayInfoClassInfo.clazz = MakeGlobalRefOrDie(env, dynamicInfoClazz);
diff --git a/core/proto/android/server/windowmanagerservice.proto b/core/proto/android/server/windowmanagerservice.proto
index 23453876..11560a5 100644
--- a/core/proto/android/server/windowmanagerservice.proto
+++ b/core/proto/android/server/windowmanagerservice.proto
@@ -225,6 +225,7 @@
     repeated InsetsSourceProviderProto insets_source_providers = 35;
     optional bool is_sleeping = 36;
     repeated string sleep_tokens = 37;
+    repeated .android.graphics.RectProto keep_clear_areas = 38;
 
 }
 
@@ -443,6 +444,7 @@
     optional bool force_seamless_rotation = 42;
     optional bool has_compat_scale = 43;
     optional float global_scale = 44;
+    repeated .android.graphics.RectProto keep_clear_areas = 45;
 }
 
 message IdentifierProto {
diff --git a/core/proto/android/service/usb.proto b/core/proto/android/service/usb.proto
index 97097ff..b3f54f9 100644
--- a/core/proto/android/service/usb.proto
+++ b/core/proto/android/service/usb.proto
@@ -196,9 +196,19 @@
 message UsbPortManagerProto {
     option (android.msg_privacy).dest = DEST_AUTOMATIC;
 
+    enum HalVersion {
+        V_UNKNOWN = 0;
+        V1_0 = 10;
+        V1_1 = 11;
+        V1_2 = 12;
+        V1_3 = 13;
+        V2 = 20;
+    }
+
     optional bool is_simulation_active = 1;
     repeated UsbPortInfoProto usb_ports = 2;
     optional bool enable_usb_data_signaling = 3;
+    optional HalVersion hal_version = 4;
 }
 
 message UsbPortInfoProto {
@@ -254,6 +264,8 @@
     optional DataRole data_role = 4;
     repeated UsbPortStatusRoleCombinationProto role_combinations = 5;
     optional android.service.ContaminantPresenceStatus contaminant_presence_status = 6;
+    optional bool usb_data_enabled = 7;
+    optional bool is_power_transfer_limited = 8;
 }
 
 message UsbPortStatusRoleCombinationProto {
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 50e9f23..a4d4069 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -6043,10 +6043,10 @@
     <permission android:name="android.permission.MANAGE_TOAST_RATE_LIMITING"
                 android:protectionLevel="signature" />
 
-    <!-- Allows managing the Game Mode
-     @hide Used internally. -->
+    <!-- @SystemApi Allows managing the Game Mode
+     @hide -->
     <permission android:name="android.permission.MANAGE_GAME_MODE"
-                android:protectionLevel="signature" />
+                android:protectionLevel="signature|privileged" />
 
     <!-- @SystemApi Allows accessing the frame rate per second of a given application
      @hide -->
@@ -6166,6 +6166,19 @@
     <permission android:name="android.permission.MANAGE_SAFETY_CENTER"
                 android:protectionLevel="internal|installer|role" />
 
+    <!-- @SystemApi Allows an application to access the AmbientContextEvent service.
+         @hide
+    -->
+    <permission android:name="android.permission.ACCESS_AMBIENT_CONTEXT_EVENT"
+                android:protectionLevel="internal|role"/>
+
+    <!-- @SystemApi Required by a AmbientContextEventDetectionService
+         to ensure that only the service with this permission can bind to it.
+         @hide
+    -->
+    <permission android:name="android.permission.BIND_AMBIENT_CONTEXT_DETECTION_SERVICE"
+                android:protectionLevel="signature" />
+
     <!-- Attribution for Geofencing service. -->
     <attribution android:tag="GeofencingService" android:label="@string/geofencing_service"/>
     <!-- Attribution for Country Detector. -->
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 6a7b4af..a5da1ba 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -3347,6 +3347,14 @@
              <p>Note that this flag will only be respected if the View's Outline returns true from
              {@link android.graphics.Outline#canClip()}. -->
         <attr name="clipToOutline" format="boolean" />
+
+        <!-- <p> Sets a preference to keep the bounds of this view clear from floating windows
+            above this view's window. This informs the system that the view is considered a vital
+            area for the user and that ideally it should not be covered. Setting this is only
+            appropriate for UI where the user would likely take action to uncover it.
+            <p>The system will try to respect this, but when not possible will ignore it.
+            See {@link android.view.View#setPreferKeepClear}. -->
+        <attr name="preferKeepClear" format="boolean" />
     </declare-styleable>
 
     <!-- Attributes that can be assigned to a tag for a particular View. -->
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index d8b3785..c0c8618 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -4077,6 +4077,12 @@
    -->
     <string name="config_defaultRotationResolverService" translatable="false"></string>
 
+    <!-- The component name for the default system AmbientContextEvent detection service.
+        This service must be trusted, as it can be activated without explicit consent of the user.
+        See android.service.ambientcontext.AmbientContextDetectionService.
+   -->
+    <string name="config_defaultAmbientContextDetectionService" translatable="false"></string>
+
     <!-- The component name for the system-wide captions service.
          This service must be trusted, as it controls part of the UI of the volume bar.
          Example: "com.android.captions/.SystemCaptionsService"
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index 3a3bb11..42386fc 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -3257,6 +3257,7 @@
     <public name="localeConfig" />
     <public name="showBackground" />
     <public name="inheritKeyStoreKeys" />
+    <public name="preferKeepClear" />
   </staging-public-group>
 
   <staging-public-group type="id" first-id="0x01de0000">
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 5e88519..f639350 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3652,6 +3652,7 @@
   <java-symbol type="string" name="config_defaultRotationResolverService" />
   <java-symbol type="string" name="config_defaultSystemCaptionsService" />
   <java-symbol type="string" name="config_defaultSystemCaptionsManagerService" />
+  <java-symbol type="string" name="config_defaultAmbientContextDetectionService" />
   <java-symbol type="string" name="config_retailDemoPackage" />
   <java-symbol type="string" name="config_retailDemoPackageSignature" />
 
diff --git a/core/tests/coretests/src/android/content/pm/CrossProfileAppsTest.java b/core/tests/coretests/src/android/content/pm/CrossProfileAppsTest.java
index 0cfcd8f8..b66642c 100644
--- a/core/tests/coretests/src/android/content/pm/CrossProfileAppsTest.java
+++ b/core/tests/coretests/src/android/content/pm/CrossProfileAppsTest.java
@@ -16,11 +16,17 @@
 
 package android.content.pm;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.SWITCH_TO_PERSONAL_LABEL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.SWITCH_TO_WORK_LABEL;
+
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.ArgumentMatchers.nullable;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
@@ -58,6 +64,8 @@
     @Mock
     private UserManager mUserManager;
     @Mock
+    private DevicePolicyManager mDevicePolicyManager;
+    @Mock
     private ICrossProfileApps mService;
     @Mock
     private Resources mResources;
@@ -75,6 +83,10 @@
         when(mContext.getPackageName()).thenReturn(MY_PACKAGE);
         when(mContext.getSystemServiceName(UserManager.class)).thenReturn(Context.USER_SERVICE);
         when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+        when(mContext.getSystemServiceName(DevicePolicyManager.class)).thenReturn(
+                Context.DEVICE_POLICY_SERVICE);
+        when(mContext.getSystemService(Context.DEVICE_POLICY_SERVICE)).thenReturn(
+                mDevicePolicyManager);
     }
 
     @Before
@@ -98,7 +110,7 @@
         setValidTargetProfile(MANAGED_PROFILE);
 
         mCrossProfileApps.getProfileSwitchingLabel(MANAGED_PROFILE);
-        verify(mResources).getString(R.string.managed_profile_label);
+        verify(mDevicePolicyManager).getString(eq(SWITCH_TO_WORK_LABEL), any());
     }
 
     @Test
@@ -106,7 +118,7 @@
         setValidTargetProfile(PERSONAL_PROFILE);
 
         mCrossProfileApps.getProfileSwitchingLabel(PERSONAL_PROFILE);
-        verify(mResources).getString(R.string.user_owner_label);
+        verify(mDevicePolicyManager).getString(eq(SWITCH_TO_PERSONAL_LABEL), any());
     }
 
     @Test(expected = SecurityException.class)
diff --git a/core/tests/coretests/src/android/view/HandwritingInitiatorTest.java b/core/tests/coretests/src/android/view/HandwritingInitiatorTest.java
index 8f04461..5ea9199 100644
--- a/core/tests/coretests/src/android/view/HandwritingInitiatorTest.java
+++ b/core/tests/coretests/src/android/view/HandwritingInitiatorTest.java
@@ -33,7 +33,6 @@
 import android.content.Context;
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
-import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
 
 import androidx.test.ext.junit.runners.AndroidJUnit4;
@@ -57,7 +56,6 @@
     private static final int TOUCH_SLOP = 8;
     private static final long TAP_TIMEOUT = ViewConfiguration.getTapTimeout();
     private static final Rect sHwArea = new Rect(100, 200, 500, 500);
-    private static final EditorInfo sFakeEditorInfo = new EditorInfo();
 
     private HandwritingInitiator mHandwritingInitiator;
     private View mTestView;
@@ -72,7 +70,6 @@
         InputMethodManager inputMethodManager = context.getSystemService(InputMethodManager.class);
         mHandwritingInitiator =
                 spy(new HandwritingInitiator(viewConfiguration, inputMethodManager));
-        mHandwritingInitiator.updateEditorBound(sHwArea);
 
         // mock a parent so that HandwritingInitiator can get
         ViewGroup parent = new ViewGroup(context) {
@@ -82,10 +79,7 @@
             }
             @Override
             public boolean getChildVisibleRect(View child, Rect r, android.graphics.Point offset) {
-                r.left = sHwArea.left;
-                r.top = sHwArea.top;
-                r.right = sHwArea.right;
-                r.bottom = sHwArea.bottom;
+                r.set(sHwArea);
                 return true;
             }
         };
@@ -97,7 +91,7 @@
 
     @Test
     public void onTouchEvent_startHandwriting_when_stylusMoveOnce_withinHWArea() {
-        mHandwritingInitiator.onInputConnectionCreated(mTestView, sFakeEditorInfo);
+        mHandwritingInitiator.onInputConnectionCreated(mTestView);
         final int x1 = (sHwArea.left + sHwArea.right) / 2;
         final int y1 = (sHwArea.top + sHwArea.bottom) / 2;
         MotionEvent stylusEvent1 = createStylusEvent(ACTION_DOWN, x1, y1, 0);
@@ -109,13 +103,13 @@
         MotionEvent stylusEvent2 = createStylusEvent(ACTION_MOVE, x2, y2, 0);
         mHandwritingInitiator.onTouchEvent(stylusEvent2);
 
-        // Stylus movement win HandwritingArea should trigger IMM.startHandwriting once.
+        // Stylus movement within HandwritingArea should trigger IMM.startHandwriting once.
         verify(mHandwritingInitiator, times(1)).startHandwriting(mTestView);
     }
 
     @Test
     public void onTouchEvent_startHandwritingOnce_when_stylusMoveMultiTimes_withinHWArea() {
-        mHandwritingInitiator.onInputConnectionCreated(mTestView, sFakeEditorInfo);
+        mHandwritingInitiator.onInputConnectionCreated(mTestView);
         final int x1 = (sHwArea.left + sHwArea.right) / 2;
         final int y1 = (sHwArea.top + sHwArea.bottom) / 2;
         MotionEvent stylusEvent1 = createStylusEvent(ACTION_DOWN, x1, y1, 0);
@@ -152,14 +146,14 @@
         mHandwritingInitiator.onTouchEvent(stylusEvent2);
 
         // InputConnection is created after stylus movement.
-        mHandwritingInitiator.onInputConnectionCreated(mTestView, sFakeEditorInfo);
+        mHandwritingInitiator.onInputConnectionCreated(mTestView);
 
         verify(mHandwritingInitiator, times(1)).startHandwriting(mTestView);
     }
 
     @Test
     public void onTouchEvent_notStartHandwriting_when_stylusTap_withinHWArea() {
-        mHandwritingInitiator.onInputConnectionCreated(mTestView, sFakeEditorInfo);
+        mHandwritingInitiator.onInputConnectionCreated(mTestView);
         final int x1 = 200;
         final int y1 = 200;
         MotionEvent stylusEvent1 = createStylusEvent(ACTION_DOWN, x1, y1, 0);
@@ -175,7 +169,7 @@
 
     @Test
     public void onTouchEvent_notStartHandwriting_when_stylusMove_outOfHWArea() {
-        mHandwritingInitiator.onInputConnectionCreated(mTestView, sFakeEditorInfo);
+        mHandwritingInitiator.onInputConnectionCreated(mTestView);
         final int x1 = 10;
         final int y1 = 10;
         MotionEvent stylusEvent1 = createStylusEvent(ACTION_DOWN, x1, y1, 0);
@@ -191,7 +185,7 @@
 
     @Test
     public void onTouchEvent_notStartHandwriting_when_stylusMove_afterTapTimeOut() {
-        mHandwritingInitiator.onInputConnectionCreated(mTestView, sFakeEditorInfo);
+        mHandwritingInitiator.onInputConnectionCreated(mTestView);
         final int x1 = 10;
         final int y1 = 10;
         final long time1 = 10L;
@@ -210,18 +204,17 @@
 
     @Test
     public void onInputConnectionCreated_inputConnectionCreated() {
-        mHandwritingInitiator.onInputConnectionCreated(mTestView, sFakeEditorInfo);
+        mHandwritingInitiator.onInputConnectionCreated(mTestView);
         assertThat(mHandwritingInitiator.mConnectedView).isNotNull();
         assertThat(mHandwritingInitiator.mConnectedView.get()).isEqualTo(mTestView);
     }
 
     @Test
     public void onInputConnectionCreated_inputConnectionClosed() {
-        mHandwritingInitiator.onInputConnectionCreated(mTestView, sFakeEditorInfo);
+        mHandwritingInitiator.onInputConnectionCreated(mTestView);
         mHandwritingInitiator.onInputConnectionClosed(mTestView);
 
         assertThat(mHandwritingInitiator.mConnectedView).isNull();
-        assertThat(mHandwritingInitiator.mEditorBound).isNull();
     }
 
     @Test
@@ -229,22 +222,14 @@
         // When IMM restarts input connection, View#onInputConnectionCreatedInternal might be
         // called before View#onInputConnectionClosedInternal. As a result, we need to handle the
         // case where "one view "2 InputConnections".
-        mHandwritingInitiator.onInputConnectionCreated(mTestView, sFakeEditorInfo);
-        mHandwritingInitiator.onInputConnectionCreated(mTestView, sFakeEditorInfo);
+        mHandwritingInitiator.onInputConnectionCreated(mTestView);
+        mHandwritingInitiator.onInputConnectionCreated(mTestView);
         mHandwritingInitiator.onInputConnectionClosed(mTestView);
 
         assertThat(mHandwritingInitiator.mConnectedView).isNotNull();
         assertThat(mHandwritingInitiator.mConnectedView.get()).isEqualTo(mTestView);
     }
 
-    @Test
-    public void updateEditorBound() {
-        Rect rect = new Rect(1, 2, 3, 4);
-        mHandwritingInitiator.updateEditorBound(rect);
-
-        assertThat(mHandwritingInitiator.mEditorBound).isEqualTo(rect);
-    }
-
     private MotionEvent createStylusEvent(int action, int x, int y, long eventTime) {
         MotionEvent.PointerProperties[] properties = MotionEvent.PointerProperties.createArray(1);
         properties[0].toolType = MotionEvent.TOOL_TYPE_STYLUS;
diff --git a/core/tests/coretests/src/android/window/WindowOnBackInvokedDispatcherTest.java b/core/tests/coretests/src/android/window/WindowOnBackInvokedDispatcherTest.java
new file mode 100644
index 0000000..a1a1e20
--- /dev/null
+++ b/core/tests/coretests/src/android/window/WindowOnBackInvokedDispatcherTest.java
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.window;
+
+import static org.mockito.ArgumentMatchers.isNull;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.Mockito.verifyZeroInteractions;
+
+import android.os.RemoteException;
+import android.platform.test.annotations.Presubmit;
+import android.view.IWindow;
+import android.view.IWindowSession;
+import android.view.OnBackInvokedCallback;
+import android.view.OnBackInvokedDispatcher;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+
+/**
+ * Tests for {@link WindowOnBackInvokedDispatcherTest}
+ *
+ * <p>Build/Install/Run:
+ * atest FrameworksCoreTests:WindowOnBackInvokedDispatcherTest
+ */
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+@Presubmit
+public class WindowOnBackInvokedDispatcherTest {
+    @Mock
+    private IWindowSession mWindowSession;
+    @Mock
+    private IWindow mWindow;
+    private WindowOnBackInvokedDispatcher mDispatcher;
+    @Mock
+    private OnBackInvokedCallback mCallback1;
+    @Mock
+    private OnBackInvokedCallback mCallback2;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        mDispatcher = new WindowOnBackInvokedDispatcher();
+        mDispatcher.attachToWindow(mWindowSession, mWindow);
+    }
+
+    private void waitForIdle() {
+        InstrumentationRegistry.getInstrumentation().waitForIdleSync();
+    }
+
+    @Test
+    public void propagatesTopCallback_samePriority() throws RemoteException {
+        ArgumentCaptor<IOnBackInvokedCallback> captor =
+                ArgumentCaptor.forClass(IOnBackInvokedCallback.class);
+
+        mDispatcher.registerOnBackInvokedCallback(
+                mCallback1, OnBackInvokedDispatcher.PRIORITY_DEFAULT);
+        mDispatcher.registerOnBackInvokedCallback(
+                mCallback2, OnBackInvokedDispatcher.PRIORITY_DEFAULT);
+
+        verify(mWindowSession, times(2))
+                .setOnBackInvokedCallback(Mockito.eq(mWindow), captor.capture());
+        captor.getAllValues().get(0).onBackStarted();
+        waitForIdle();
+        verify(mCallback1).onBackStarted();
+        verifyZeroInteractions(mCallback2);
+
+        captor.getAllValues().get(1).onBackStarted();
+        waitForIdle();
+        verify(mCallback2).onBackStarted();
+        verifyNoMoreInteractions(mCallback1);
+    }
+
+    @Test
+    public void propagatesTopCallback_differentPriority() throws RemoteException {
+        ArgumentCaptor<IOnBackInvokedCallback> captor =
+                ArgumentCaptor.forClass(IOnBackInvokedCallback.class);
+
+        mDispatcher.registerOnBackInvokedCallback(
+                mCallback1, OnBackInvokedDispatcher.PRIORITY_OVERLAY);
+        mDispatcher.registerOnBackInvokedCallback(
+                mCallback2, OnBackInvokedDispatcher.PRIORITY_DEFAULT);
+
+        verify(mWindowSession)
+                .setOnBackInvokedCallback(Mockito.eq(mWindow), captor.capture());
+        verifyNoMoreInteractions(mWindowSession);
+        captor.getValue().onBackStarted();
+        waitForIdle();
+        verify(mCallback1).onBackStarted();
+    }
+
+    @Test
+    public void propagatesTopCallback_withRemoval() throws RemoteException {
+        mDispatcher.registerOnBackInvokedCallback(
+                mCallback1, OnBackInvokedDispatcher.PRIORITY_DEFAULT);
+        mDispatcher.registerOnBackInvokedCallback(
+                mCallback2, OnBackInvokedDispatcher.PRIORITY_DEFAULT);
+
+        reset(mWindowSession);
+        mDispatcher.unregisterOnBackInvokedCallback(mCallback1);
+        verifyZeroInteractions(mWindowSession);
+
+        mDispatcher.unregisterOnBackInvokedCallback(mCallback2);
+        verify(mWindowSession).setOnBackInvokedCallback(Mockito.eq(mWindow), isNull());
+    }
+
+
+    @Test
+    public void propagatesTopCallback_sameInstanceAddedTwice() throws RemoteException {
+        ArgumentCaptor<IOnBackInvokedCallback> captor =
+                ArgumentCaptor.forClass(IOnBackInvokedCallback.class);
+
+        mDispatcher.registerOnBackInvokedCallback(mCallback1,
+                OnBackInvokedDispatcher.PRIORITY_OVERLAY);
+        mDispatcher.registerOnBackInvokedCallback(
+                mCallback2, OnBackInvokedDispatcher.PRIORITY_DEFAULT);
+        mDispatcher.registerOnBackInvokedCallback(
+                mCallback1, OnBackInvokedDispatcher.PRIORITY_DEFAULT);
+
+        reset(mWindowSession);
+        mDispatcher.registerOnBackInvokedCallback(
+                mCallback2, OnBackInvokedDispatcher.PRIORITY_OVERLAY);
+        verify(mWindowSession)
+                .setOnBackInvokedCallback(Mockito.eq(mWindow), captor.capture());
+        captor.getValue().onBackStarted();
+        waitForIdle();
+        verify(mCallback2).onBackStarted();
+    }
+}
diff --git a/core/tests/coretests/src/com/android/internal/app/IntentForwarderActivityTest.java b/core/tests/coretests/src/com/android/internal/app/IntentForwarderActivityTest.java
index 43590ba..1f6b57e 100644
--- a/core/tests/coretests/src/com/android/internal/app/IntentForwarderActivityTest.java
+++ b/core/tests/coretests/src/com/android/internal/app/IntentForwarderActivityTest.java
@@ -297,7 +297,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector).showToast(anyInt(), anyInt());
+        verify(sInjector).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -312,7 +312,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -324,7 +324,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -336,7 +336,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -348,7 +348,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -360,7 +360,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -372,7 +372,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector).showToast(anyInt(), anyInt());
+        verify(sInjector).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -386,7 +386,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -399,7 +399,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -412,7 +412,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -425,7 +425,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -438,7 +438,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -452,7 +452,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -466,7 +466,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -480,7 +480,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -494,7 +494,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -507,7 +507,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector).showToast(anyInt(), anyInt());
+        verify(sInjector).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -521,7 +521,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector).showToast(anyInt(), anyInt());
+        verify(sInjector).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -535,7 +535,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector).showToast(anyInt(), anyInt());
+        verify(sInjector).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -551,7 +551,7 @@
         mActivityRule.launchActivity(intent);
 
         verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
-        verify(sInjector, never()).showToast(anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyString(), anyInt());
     }
 
     @Test
@@ -692,6 +692,6 @@
         }
 
         @Override
-        public void showToast(int messageId, int duration) {}
+        public void showToast(String message, int duration) {}
     }
 }
diff --git a/core/tests/coretests/src/com/android/internal/os/BatteryStatsImplTest.java b/core/tests/coretests/src/com/android/internal/os/BatteryStatsImplTest.java
index 388cf6e..be8045d 100644
--- a/core/tests/coretests/src/com/android/internal/os/BatteryStatsImplTest.java
+++ b/core/tests/coretests/src/com/android/internal/os/BatteryStatsImplTest.java
@@ -37,8 +37,12 @@
 import static org.mockito.Mockito.when;
 
 import android.app.ActivityManager;
+import android.bluetooth.BluetoothActivityEnergyInfo;
+import android.bluetooth.UidTraffic;
 import android.os.BatteryStats;
+import android.os.BluetoothBatteryStats;
 import android.os.WakeLockStats;
+import android.os.WorkSource;
 import android.util.SparseArray;
 import android.view.Display;
 
@@ -47,6 +51,8 @@
 
 import com.android.internal.os.KernelCpuUidTimeReader.KernelCpuUidFreqTimeReader;
 
+import com.google.common.collect.ImmutableList;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -66,6 +72,8 @@
     private KernelCpuUidFreqTimeReader mKernelUidCpuFreqTimeReader;
     @Mock
     private KernelSingleUidTimeReader mKernelSingleUidTimeReader;
+    @Mock
+    private PowerProfile mPowerProfile;
 
     private final MockClock mMockClock = new MockClock();
     private MockBatteryStatsImpl mBatteryStatsImpl;
@@ -79,6 +87,7 @@
         when(mKernelUidCpuFreqTimeReader.allUidTimesAvailable()).thenReturn(true);
         when(mKernelSingleUidTimeReader.singleUidCpuTimesAvailable()).thenReturn(true);
         mBatteryStatsImpl = new MockBatteryStatsImpl(mMockClock)
+                .setPowerProfile(mPowerProfile)
                 .setKernelCpuUidFreqTimeReader(mKernelUidCpuFreqTimeReader)
                 .setKernelSingleUidTimeReader(mKernelSingleUidTimeReader);
     }
@@ -559,4 +568,38 @@
         assertThat(wakeLock2.timeHeldMs).isEqualTo(3000);  // 9000-6000
         assertThat(wakeLock2.totalTimeHeldMs).isEqualTo(4000); // (5000-4000) + (9000-6000)
     }
+
+    @Test
+    public void testGetBluetoothBatteryStats() {
+        when(mPowerProfile.getAveragePower(
+                PowerProfile.POWER_BLUETOOTH_CONTROLLER_OPERATING_VOLTAGE)).thenReturn(3.0);
+        mBatteryStatsImpl.setOnBatteryInternal(true);
+        mBatteryStatsImpl.updateTimeBasesLocked(true, Display.STATE_OFF, 0, 0);
+
+        final WorkSource ws = new WorkSource(10042);
+        mBatteryStatsImpl.noteBluetoothScanStartedFromSourceLocked(ws, false, 1000, 1000);
+        mBatteryStatsImpl.noteBluetoothScanStoppedFromSourceLocked(ws, false, 5000, 5000);
+        mBatteryStatsImpl.noteBluetoothScanStartedFromSourceLocked(ws, true, 6000, 6000);
+        mBatteryStatsImpl.noteBluetoothScanStoppedFromSourceLocked(ws, true, 9000, 9000);
+        mBatteryStatsImpl.noteBluetoothScanResultsFromSourceLocked(ws, 42, 9000, 9000);
+
+        BluetoothActivityEnergyInfo info = new BluetoothActivityEnergyInfo(1000,
+                BluetoothActivityEnergyInfo.BT_STACK_STATE_STATE_ACTIVE, 9000, 8000, 12000, 0);
+        info.setUidTraffic(ImmutableList.of(
+                new UidTraffic(10042, 3000, 4000),
+                new UidTraffic(10043, 5000, 8000)));
+        mBatteryStatsImpl.updateBluetoothStateLocked(info, -1, 1000, 1000);
+
+        BluetoothBatteryStats stats =
+                mBatteryStatsImpl.getBluetoothBatteryStats();
+        assertThat(stats.getUidStats()).hasSize(2);
+
+        final BluetoothBatteryStats.UidStats uidStats =
+                stats.getUidStats().stream().filter(u -> u.uid == 10042).findFirst().get();
+        assertThat(uidStats.scanTimeMs).isEqualTo(7000);  // 4000+3000
+        assertThat(uidStats.unoptimizedScanTimeMs).isEqualTo(3000);
+        assertThat(uidStats.scanResultCount).isEqualTo(42);
+        assertThat(uidStats.rxTimeMs).isEqualTo(7375);  // Some scan time is treated as RX
+        assertThat(uidStats.txTimeMs).isEqualTo(7666);  // Some scan time is treated as TX
+    }
 }
diff --git a/data/etc/com.android.settings.xml b/data/etc/com.android.settings.xml
index 3fdb0da..ddcab6e 100644
--- a/data/etc/com.android.settings.xml
+++ b/data/etc/com.android.settings.xml
@@ -30,6 +30,7 @@
         <permission name="android.permission.MANAGE_DEBUGGING"/>
         <permission name="android.permission.MANAGE_DEVICE_ADMINS"/>
         <permission name="android.permission.MANAGE_FINGERPRINT"/>
+        <permission name="android.permission.MANAGE_GAME_MODE" />
         <permission name="android.permission.MANAGE_USB"/>
         <permission name="android.permission.MANAGE_USERS"/>
         <permission name="android.permission.MANAGE_USER_OEM_UNLOCK_STATE" />
@@ -59,5 +60,6 @@
         <permission name="android.permission.READ_DREAM_STATE"/>
         <permission name="android.permission.READ_DREAM_SUPPRESSION"/>
         <permission name="android.permission.RESTART_WIFI_SUBSYSTEM"/>
+        <permission name="android.permission.READ_SAFETY_CENTER_STATUS" />
     </privapp-permissions>
 </permissions>
diff --git a/data/etc/com.android.systemui.xml b/data/etc/com.android.systemui.xml
index be189405..d95644a 100644
--- a/data/etc/com.android.systemui.xml
+++ b/data/etc/com.android.systemui.xml
@@ -30,6 +30,7 @@
         <permission name="android.permission.GET_APP_OPS_STATS"/>
         <permission name="android.permission.INTERACT_ACROSS_USERS"/>
         <permission name="android.permission.MANAGE_DEBUGGING"/>
+        <permission name="android.permission.MANAGE_GAME_MODE" />
         <permission name="android.permission.MANAGE_SENSOR_PRIVACY"/>
         <permission name="android.permission.MANAGE_USB"/>
         <permission name="android.permission.MANAGE_USERS"/>
diff --git a/data/etc/privapp-permissions-platform.xml b/data/etc/privapp-permissions-platform.xml
index 1068c27..de086df 100644
--- a/data/etc/privapp-permissions-platform.xml
+++ b/data/etc/privapp-permissions-platform.xml
@@ -333,6 +333,7 @@
         <permission name="android.permission.LOCAL_MAC_ADDRESS"/>
         <permission name="android.permission.MANAGE_ACCESSIBILITY"/>
         <permission name="android.permission.MANAGE_DEVICE_ADMINS"/>
+        <permission name="android.permission.MANAGE_GAME_MODE"/>
         <permission name="android.permission.MANAGE_ROLLBACKS"/>
         <permission name="android.permission.MANAGE_USB"/>
         <permission name="android.permission.MODIFY_APPWIDGET_BIND_PERMISSIONS"/>
@@ -574,6 +575,7 @@
     <privapp-permissions package="com.android.settings">
         <permission name="android.permission.INSTALL_DYNAMIC_SYSTEM"/>
         <permission name="android.permission.BIND_CELL_BROADCAST_SERVICE"/>
+        <permission name="android.permission.READ_SAFETY_CENTER_STATUS" />
     </privapp-permissions>
 
     <privapp-permissions package="com.android.bips">
diff --git a/data/etc/services.core.protolog.json b/data/etc/services.core.protolog.json
index 9b67cfc..0752329 100644
--- a/data/etc/services.core.protolog.json
+++ b/data/etc/services.core.protolog.json
@@ -493,12 +493,6 @@
       "group": "WM_DEBUG_STATES",
       "at": "com\/android\/server\/wm\/ActivityRecord.java"
     },
-    "-1556507536": {
-      "message": "Passing transform hint %d for window %s%s",
-      "level": "VERBOSE",
-      "group": "WM_DEBUG_ORIENTATION",
-      "at": "com\/android\/server\/wm\/WindowManagerService.java"
-    },
     "-1554521902": {
       "message": "showInsets(ime) was requested by different window: %s ",
       "level": "WARN",
@@ -2761,6 +2755,12 @@
       "group": "WM_SHOW_SURFACE_ALLOC",
       "at": "com\/android\/server\/wm\/WindowStateAnimator.java"
     },
+    "751854538": {
+      "message": "DisplayArea keep clear rects changed name =%s",
+      "level": "VERBOSE",
+      "group": "WM_DEBUG_WINDOW_ORGANIZER",
+      "at": "com\/android\/server\/wm\/DisplayAreaOrganizerController.java"
+    },
     "765395228": {
       "message": "onAnimationFinished(): controller=%s reorderMode=%d",
       "level": "DEBUG",
@@ -3691,12 +3691,6 @@
       "group": "WM_DEBUG_WINDOW_ORGANIZER",
       "at": "com\/android\/server\/wm\/DisplayAreaPolicyBuilder.java"
     },
-    "1884961873": {
-      "message": "Sleep still need to stop %d activities",
-      "level": "VERBOSE",
-      "group": "WM_DEBUG_STATES",
-      "at": "com\/android\/server\/wm\/Task.java"
-    },
     "1891501279": {
       "message": "cancelAnimation(): reason=%s",
       "level": "DEBUG",
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayController.java
index 7db49f0..e2bc360 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/common/DisplayController.java
@@ -19,6 +19,7 @@
 import android.annotation.Nullable;
 import android.content.Context;
 import android.content.res.Configuration;
+import android.graphics.Rect;
 import android.hardware.display.DisplayManager;
 import android.os.RemoteException;
 import android.util.Slog;
@@ -34,6 +35,7 @@
 import com.android.wm.shell.common.annotations.ShellMainThread;
 
 import java.util.ArrayList;
+import java.util.List;
 
 /**
  * This module deals with display rotations coming from WM. When WM starts a rotation: after it has
@@ -243,6 +245,19 @@
         }
     }
 
+    private void onKeepClearAreasChanged(int displayId, List<Rect> keepClearAreas) {
+        synchronized (mDisplays) {
+            if (mDisplays.get(displayId) == null || getDisplay(displayId) == null) {
+                Slog.w(TAG, "Skipping onKeepClearAreasChanged on unknown"
+                        + " display, displayId=" + displayId);
+                return;
+            }
+            for (int i = mDisplayChangedListeners.size() - 1; i >= 0; --i) {
+                mDisplayChangedListeners.get(i).onKeepClearAreasChanged(displayId, keepClearAreas);
+            }
+        }
+    }
+
     private static class DisplayRecord {
         private int mDisplayId;
         private Context mContext;
@@ -301,6 +316,13 @@
                 DisplayController.this.onFixedRotationFinished(displayId);
             });
         }
+
+        @Override
+        public void onKeepClearAreasChanged(int displayId, List<Rect> keepClearAreas) {
+            mMainExecutor.execute(() -> {
+                DisplayController.this.onKeepClearAreasChanged(displayId, keepClearAreas);
+            });
+        }
     }
 
     /**
@@ -335,5 +357,10 @@
          * Called when fixed rotation on a display is finished.
          */
         default void onFixedRotationFinished(int displayId) {}
+
+        /**
+         * Called when keep-clear areas on a display have changed.
+         */
+        default void onKeepClearAreasChanged(int displayId, List<Rect> keepClearAreas) {}
     }
 }
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/ExpandBubbleScreen.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/ExpandBubbleScreen.kt
index af629cc..f8d14c6 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/ExpandBubbleScreen.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/ExpandBubbleScreen.kt
@@ -24,6 +24,9 @@
 import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.annotation.Group4
 import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.wm.shell.flicker.helpers.BaseAppHelper
+import org.junit.Assume
+import org.junit.Before
 import org.junit.runner.RunWith
 import org.junit.Test
 import org.junit.runners.Parameterized
@@ -59,6 +62,12 @@
             }
         }
 
+    @Before
+    fun setup() {
+        // This test doesn't work in shell transitions because of b/205288792
+        Assume.assumeFalse(BaseAppHelper.isShellTransitionsEnabled())
+    }
+
     @Presubmit
     @Test
     fun testAppIsAlwaysVisible() {
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/MultiBubblesScreen.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/MultiBubblesScreen.kt
index add11c1..c93c5ad 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/MultiBubblesScreen.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/MultiBubblesScreen.kt
@@ -25,6 +25,9 @@
 import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.annotation.Group4
 import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.wm.shell.flicker.helpers.BaseAppHelper
+import org.junit.Assume
+import org.junit.Before
 import org.junit.runner.RunWith
 import org.junit.Test
 import org.junit.runners.Parameterized
@@ -67,6 +70,12 @@
             }
         }
 
+    @Before
+    fun setup() {
+        // This test doesn't work in shell transitions because of b/205288792
+        Assume.assumeFalse(BaseAppHelper.isShellTransitionsEnabled())
+    }
+
     @Presubmit
     @Test
     fun testAppIsAlwaysVisible() {
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipViaExpandButtonClickTest.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipViaExpandButtonClickTest.kt
index 2c08b7f..3a9a070 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipViaExpandButtonClickTest.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipViaExpandButtonClickTest.kt
@@ -82,6 +82,11 @@
     @Test
     override fun statusBarLayerRotatesScales() = super.statusBarLayerRotatesScales()
 
+    /** {@inheritDoc}  */
+    @FlakyTest(bugId = 197726610)
+    @Test
+    override fun pipLayerExpands() = super.pipLayerExpands()
+
     companion object {
         /**
          * Creates the test configurations.
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipViaIntentTest.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipViaIntentTest.kt
index e340f4c..03c8929f 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipViaIntentTest.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipViaIntentTest.kt
@@ -101,6 +101,11 @@
     @Test
     override fun statusBarLayerRotatesScales() = super.statusBarLayerRotatesScales()
 
+    /** {@inheritDoc}  */
+    @FlakyTest(bugId = 197726610)
+    @Test
+    override fun pipLayerExpands() = super.pipLayerExpands()
+
     companion object {
         /**
          * Creates the test configurations.
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipWithDismissButtonTest.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipWithDismissButtonTest.kt
index 8adebb8..976b7c6 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipWithDismissButtonTest.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipWithDismissButtonTest.kt
@@ -90,6 +90,11 @@
     @Test
     override fun statusBarLayerRotatesScales() = super.statusBarLayerRotatesScales()
 
+    /** {@inheritDoc}  */
+    @FlakyTest(bugId = 215869110)
+    @Test
+    override fun focusDoesNotChange() = super.focusDoesNotChange()
+
     companion object {
         /**
          * Creates the test configurations.
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/draganddrop/DragAndDropPolicyTest.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/draganddrop/DragAndDropPolicyTest.java
index fe66e22..35e4982 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/draganddrop/DragAndDropPolicyTest.java
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/draganddrop/DragAndDropPolicyTest.java
@@ -19,7 +19,6 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.content.ClipDescription.MIMETYPE_APPLICATION_ACTIVITY;
 import static android.content.ClipDescription.MIMETYPE_APPLICATION_SHORTCUT;
 import static android.content.ClipDescription.MIMETYPE_APPLICATION_TASK;
@@ -111,7 +110,6 @@
     private ActivityManager.RunningTaskInfo mHomeTask;
     private ActivityManager.RunningTaskInfo mFullscreenAppTask;
     private ActivityManager.RunningTaskInfo mNonResizeableFullscreenAppTask;
-    private ActivityManager.RunningTaskInfo mSplitPrimaryAppTask;
 
     @Before
     public void setUp() throws RemoteException {
@@ -144,8 +142,6 @@
         mNonResizeableFullscreenAppTask =
                 createTaskInfo(WINDOWING_MODE_FULLSCREEN, ACTIVITY_TYPE_STANDARD);
         mNonResizeableFullscreenAppTask.isResizeable = false;
-        mSplitPrimaryAppTask = createTaskInfo(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY,
-                ACTIVITY_TYPE_STANDARD);
 
         setRunningTask(mFullscreenAppTask);
     }
diff --git a/media/aidl/android/media/audio/common/AudioOutputFlags.aidl b/media/aidl/android/media/audio/common/AudioOutputFlags.aidl
index a46229d..2556b68 100644
--- a/media/aidl/android/media/audio/common/AudioOutputFlags.aidl
+++ b/media/aidl/android/media/audio/common/AudioOutputFlags.aidl
@@ -26,7 +26,7 @@
  */
 @VintfStability
 @Backing(type="int")
-enum AudioOutputFlags {
+enum AudioOutputFlags{
     /**
      * Output must not be altered by the framework, it bypasses software mixers.
      */
@@ -98,7 +98,11 @@
      */
     GAPLESS_OFFLOAD = 15,
     /**
+     * Output is used for spatial audio.
+     */
+    SPATIALIZER = 16,
+    /**
      * Output is used for transmitting ultrasound audio.
      */
-    ULTRASOUND = 16,
+    ULTRASOUND = 17,
 }
diff --git a/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioOutputFlags.aidl b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioOutputFlags.aidl
index e2f286e..4a512a8 100644
--- a/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioOutputFlags.aidl
+++ b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioOutputFlags.aidl
@@ -51,5 +51,6 @@
   VOIP_RX = 13,
   INCALL_MUSIC = 14,
   GAPLESS_OFFLOAD = 15,
-  ULTRASOUND = 16,
+  SPATIALIZER = 16,
+  ULTRASOUND = 17,
 }
diff --git a/media/java/android/media/tv/DsmccResponse.java b/media/java/android/media/tv/DsmccResponse.java
index 4d49620..3ca63e3 100644
--- a/media/java/android/media/tv/DsmccResponse.java
+++ b/media/java/android/media/tv/DsmccResponse.java
@@ -17,10 +17,13 @@
 package android.media.tv;
 
 import android.annotation.NonNull;
+import android.annotation.StringDef;
 import android.os.Parcel;
 import android.os.ParcelFileDescriptor;
 import android.os.Parcelable;
 
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -29,6 +32,27 @@
     public static final @TvInputManager.BroadcastInfoType int responseType =
             TvInputManager.BROADCAST_INFO_TYPE_DSMCC;
 
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @StringDef(prefix = "BIOP_MESSAGE_TYPE_", value = {
+            BIOP_MESSAGE_TYPE_DIRECTORY,
+            BIOP_MESSAGE_TYPE_FILE,
+            BIOP_MESSAGE_TYPE_STREAM,
+            BIOP_MESSAGE_TYPE_SERVICE_GATEWAY,
+
+    })
+    public @interface BiopMessageType {}
+
+    /** Broadcast Inter-ORB Protocol (BIOP) message types */
+    /** BIOP directory message */
+    public static final String BIOP_MESSAGE_TYPE_DIRECTORY = "directory";
+    /** BIOP file message */
+    public static final String BIOP_MESSAGE_TYPE_FILE = "file";
+    /** BIOP stream message */
+    public static final String BIOP_MESSAGE_TYPE_STREAM = "stream";
+    /** BIOP service gateway message */
+    public static final String BIOP_MESSAGE_TYPE_SERVICE_GATEWAY = "service_gateway";
+
     public static final @NonNull Parcelable.Creator<DsmccResponse> CREATOR =
             new Parcelable.Creator<DsmccResponse>() {
                 @Override
@@ -43,39 +67,173 @@
                 }
             };
 
+    private final @BiopMessageType String mBiopMessageType;
     private final ParcelFileDescriptor mFileDescriptor;
-    private final boolean mIsDirectory;
-    private final List<String> mChildren;
+    private final List<String> mChildList;
+    private final int[] mEventIds;
+    private final String[] mEventNames;
 
     public static DsmccResponse createFromParcelBody(Parcel in) {
         return new DsmccResponse(in);
     }
 
+    /**
+     * Constructs a BIOP file message response.
+     */
     public DsmccResponse(int requestId, int sequence, @ResponseResult int responseResult,
-            ParcelFileDescriptor file, boolean isDirectory, List<String> children) {
+            @NonNull ParcelFileDescriptor file) {
         super(responseType, requestId, sequence, responseResult);
+        mBiopMessageType = BIOP_MESSAGE_TYPE_FILE;
         mFileDescriptor = file;
-        mIsDirectory = isDirectory;
-        mChildren = children;
+        mChildList = null;
+        mEventIds = null;
+        mEventNames = null;
     }
 
-    protected DsmccResponse(Parcel source) {
+    /**
+     * Constructs a BIOP service gateway or directory message response.
+     */
+    public DsmccResponse(int requestId, int sequence, @ResponseResult int responseResult,
+            boolean isServiceGateway, @NonNull List<String> childList) {
+        super(responseType, requestId, sequence, responseResult);
+        if (isServiceGateway) {
+            mBiopMessageType = BIOP_MESSAGE_TYPE_SERVICE_GATEWAY;
+        } else {
+            mBiopMessageType = BIOP_MESSAGE_TYPE_DIRECTORY;
+        }
+        mFileDescriptor = null;
+        mChildList = childList;
+        mEventIds = null;
+        mEventNames = null;
+    }
+
+    /**
+     * Constructs a BIOP stream message response.
+     *
+     * <p>The current stream message response does not support other stream messages types than
+     * stream event message type.
+     */
+    public DsmccResponse(int requestId, int sequence, @ResponseResult int responseResult,
+            @NonNull int[] eventIds, @NonNull String[] eventNames) {
+        super(responseType, requestId, sequence, responseResult);
+        mBiopMessageType = BIOP_MESSAGE_TYPE_STREAM;
+        mFileDescriptor = null;
+        mChildList = null;
+        mEventIds = eventIds;
+        mEventNames = eventNames;
+        if (mEventIds.length != eventNames.length) {
+            throw new IllegalStateException("The size of eventIds and eventNames must be equal");
+        }
+    }
+
+    private DsmccResponse(@NonNull Parcel source) {
         super(responseType, source);
-        mFileDescriptor = source.readFileDescriptor();
-        mIsDirectory = (source.readInt() == 1);
-        mChildren = new ArrayList<>();
-        source.readStringList(mChildren);
+
+        mBiopMessageType = source.readString();
+        switch (mBiopMessageType) {
+            case BIOP_MESSAGE_TYPE_SERVICE_GATEWAY:
+            case BIOP_MESSAGE_TYPE_DIRECTORY:
+                int childNum = source.readInt();
+                mChildList = new ArrayList<>();
+                for (int i = 0; i < childNum; i++) {
+                    mChildList.add(source.readString());
+                }
+                mFileDescriptor = null;
+                mEventIds = null;
+                mEventNames = null;
+                break;
+            case BIOP_MESSAGE_TYPE_FILE:
+                mFileDescriptor = source.readFileDescriptor();
+                mChildList = null;
+                mEventIds = null;
+                mEventNames = null;
+                break;
+            case BIOP_MESSAGE_TYPE_STREAM:
+                int eventNum = source.readInt();
+                mEventIds = new int[eventNum];
+                mEventNames = new String[eventNum];
+                for (int i = 0; i < eventNum; i++) {
+                    mEventIds[i] = source.readInt();
+                    mEventNames[i] = source.readString();
+                }
+                mChildList = null;
+                mFileDescriptor = null;
+                break;
+            default:
+                throw new IllegalStateException("unexpected BIOP message type");
+        }
     }
 
+    /** Returns the BIOP message type */
+    @NonNull
+    public @BiopMessageType String getBiopMessageType() {
+        return mBiopMessageType;
+    }
+
+    /** Returns the file descriptor for a given file message response */
+    @NonNull
     public ParcelFileDescriptor getFile() {
+        if (!mBiopMessageType.equals(BIOP_MESSAGE_TYPE_FILE)) {
+            throw new IllegalStateException("Not file object");
+        }
         return mFileDescriptor;
     }
 
+    /**
+     * Returns a list of subobject names for the given service gateway or directory message
+     * response.
+     */
+    @NonNull
+    public List<String> getChildList() {
+        if (!mBiopMessageType.equals(BIOP_MESSAGE_TYPE_DIRECTORY)
+                && !mBiopMessageType.equals(BIOP_MESSAGE_TYPE_SERVICE_GATEWAY)) {
+            throw new IllegalStateException("Not directory object");
+        }
+        return new ArrayList<String>(mChildList);
+    }
+
+    /** Returns all event IDs carried in a given stream message response. */
+    @NonNull
+    public int[] getStreamEventIds() {
+        if (!mBiopMessageType.equals(BIOP_MESSAGE_TYPE_STREAM)) {
+            throw new IllegalStateException("Not stream event object");
+        }
+        return mEventIds;
+    }
+
+    /** Returns all event names carried in a given stream message response */
+    @NonNull
+    public String[] getStreamEventNames() {
+        if (!mBiopMessageType.equals(BIOP_MESSAGE_TYPE_STREAM)) {
+            throw new IllegalStateException("Not stream event object");
+        }
+        return mEventNames;
+    }
+
     @Override
     public void writeToParcel(@NonNull Parcel dest, int flags) {
         super.writeToParcel(dest, flags);
-        mFileDescriptor.writeToParcel(dest, flags);
-        dest.writeInt(mIsDirectory ? 1 : 0);
-        dest.writeStringList(mChildren);
+        dest.writeString(mBiopMessageType);
+        switch (mBiopMessageType) {
+            case BIOP_MESSAGE_TYPE_SERVICE_GATEWAY:
+            case BIOP_MESSAGE_TYPE_DIRECTORY:
+                dest.writeInt(mChildList.size());
+                for (String child : mChildList) {
+                    dest.writeString(child);
+                }
+                break;
+            case BIOP_MESSAGE_TYPE_FILE:
+                dest.writeFileDescriptor(mFileDescriptor.getFileDescriptor());
+                break;
+            case BIOP_MESSAGE_TYPE_STREAM:
+                dest.writeInt(mEventIds.length);
+                for (int i = 0; i < mEventIds.length; i++) {
+                    dest.writeInt(mEventIds[i]);
+                    dest.writeString(mEventNames[i]);
+                }
+                break;
+            default:
+                throw new IllegalStateException("unexpected BIOP message type");
+        }
     }
 }
diff --git a/media/java/android/media/tv/StreamEventResponse.java b/media/java/android/media/tv/StreamEventResponse.java
index fd75801..903fab5c2 100644
--- a/media/java/android/media/tv/StreamEventResponse.java
+++ b/media/java/android/media/tv/StreamEventResponse.java
@@ -39,54 +39,53 @@
                 }
             };
 
-    private final String mName;
-    private final String mText;
-    private final String mData;
-    private final String mStatus;
+    private final int mEventId;
+    private final long mNpt;
+    private final byte[] mData;
 
     public static StreamEventResponse createFromParcelBody(Parcel in) {
         return new StreamEventResponse(in);
     }
 
     public StreamEventResponse(int requestId, int sequence, @ResponseResult int responseResult,
-            String name, String text, String data, String status) {
+            int eventId, long npt, @NonNull byte[] data) {
         super(responseType, requestId, sequence, responseResult);
-        mName = name;
-        mText = text;
+        mEventId = eventId;
+        mNpt = npt;
         mData = data;
-        mStatus = status;
     }
 
-    protected StreamEventResponse(Parcel source) {
+    private StreamEventResponse(@NonNull Parcel source) {
         super(responseType, source);
-        mName = source.readString();
-        mText = source.readString();
-        mData = source.readString();
-        mStatus = source.readString();
+        mEventId = source.readInt();
+        mNpt = source.readLong();
+        int dataLength = source.readInt();
+        mData = new byte[dataLength];
+        source.readByteArray(mData);
     }
 
-    public String getName() {
-        return mName;
+    /** Returns the event ID */
+    public int getEventId() {
+        return mEventId;
     }
 
-    public String getText() {
-        return mText;
+    /** Returns the NPT(Normal Play Time) value when the event occurred or will occur */
+    public long getNpt() {
+        return mNpt;
     }
 
-    public String getData() {
+    /** Returns the application specific data */
+    @NonNull
+    public byte[] getData() {
         return mData;
     }
 
-    public String getStatus() {
-        return mStatus;
-    }
-
     @Override
     public void writeToParcel(@NonNull Parcel dest, int flags) {
         super.writeToParcel(dest, flags);
-        dest.writeString(mName);
-        dest.writeString(mText);
-        dest.writeString(mData);
-        dest.writeString(mStatus);
+        dest.writeInt(mEventId);
+        dest.writeLong(mNpt);
+        dest.writeInt(mData.length);
+        dest.writeByteArray(mData);
     }
 }
diff --git a/media/java/android/media/tv/interactive/AppLinkInfo.aidl b/media/java/android/media/tv/interactive/AppLinkInfo.aidl
new file mode 100644
index 0000000..7c52d01
--- /dev/null
+++ b/media/java/android/media/tv/interactive/AppLinkInfo.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.media.tv.interactive;
+
+parcelable AppLinkInfo;
\ No newline at end of file
diff --git a/media/java/android/media/tv/interactive/AppLinkInfo.java b/media/java/android/media/tv/interactive/AppLinkInfo.java
new file mode 100644
index 0000000..5cce443
--- /dev/null
+++ b/media/java/android/media/tv/interactive/AppLinkInfo.java
@@ -0,0 +1,234 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.media.tv.interactive;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * App link information used by TV interactive app to launch Android apps.
+ * @hide
+ */
+public final class AppLinkInfo implements Parcelable {
+    private @NonNull String mPackageName;
+    private @NonNull String mClassName;
+    private @Nullable String mUriScheme;
+    private @Nullable String mUriHost;
+    private @Nullable String mUriPrefix;
+
+
+    /**
+     * Creates a new AppLinkInfo.
+     */
+    private AppLinkInfo(
+            @NonNull String packageName,
+            @NonNull String className,
+            @Nullable String uriScheme,
+            @Nullable String uriHost,
+            @Nullable String uriPrefix) {
+        this.mPackageName = packageName;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mPackageName);
+        this.mClassName = className;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mClassName);
+        this.mUriScheme = uriScheme;
+        this.mUriHost = uriHost;
+        this.mUriPrefix = uriPrefix;
+    }
+
+    /**
+     * Gets package name of the App link.
+     */
+    @NonNull
+    public String getPackageName() {
+        return mPackageName;
+    }
+
+    /**
+     * Gets package class of the App link.
+     */
+    @NonNull
+    public String getClassName() {
+        return mClassName;
+    }
+
+    /**
+     * Gets URI scheme of the App link.
+     */
+    @Nullable
+    public String getUriScheme() {
+        return mUriScheme;
+    }
+
+    /**
+     * Gets URI host of the App link.
+     */
+    @Nullable
+    public String getUriHost() {
+        return mUriHost;
+    }
+
+    /**
+     * Gets URI prefix of the App link.
+     */
+    @Nullable
+    public String getUriPrefix() {
+        return mUriPrefix;
+    }
+
+    @Override
+    public String toString() {
+        return "AppLinkInfo { "
+                + "packageName = " + mPackageName + ", "
+                + "className = " + mClassName + ", "
+                + "uriScheme = " + mUriScheme + ", "
+                + "uriHost = " + mUriHost + ", "
+                + "uriPrefix = " + mUriPrefix
+                + " }";
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeString(mPackageName);
+        dest.writeString(mClassName);
+        dest.writeString(mUriScheme);
+        dest.writeString(mUriHost);
+        dest.writeString(mUriPrefix);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    /* package-private */ AppLinkInfo(@NonNull Parcel in) {
+        String packageName = in.readString();
+        String className = in.readString();
+        String uriScheme = in.readString();
+        String uriHost = in.readString();
+        String uriPrefix = in.readString();
+
+        this.mPackageName = packageName;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mPackageName);
+        this.mClassName = className;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mClassName);
+        this.mUriScheme = uriScheme;
+        this.mUriHost = uriHost;
+        this.mUriPrefix = uriPrefix;
+    }
+
+    @NonNull
+    public static final Parcelable.Creator<AppLinkInfo> CREATOR =
+            new Parcelable.Creator<AppLinkInfo>() {
+                @Override
+                public AppLinkInfo[] newArray(int size) {
+                    return new AppLinkInfo[size];
+                }
+
+                @Override
+                public AppLinkInfo createFromParcel(@NonNull Parcel in) {
+                    return new AppLinkInfo(in);
+                }
+            };
+
+    /**
+     * A builder for {@link AppLinkInfo}
+     */
+    public static final class Builder {
+        private @NonNull String mPackageName;
+        private @NonNull String mClassName;
+        private @Nullable String mUriScheme;
+        private @Nullable String mUriHost;
+        private @Nullable String mUriPrefix;
+
+        /**
+         * Creates a new Builder.
+         */
+        public Builder(
+                @NonNull String packageName,
+                @NonNull String className) {
+            mPackageName = packageName;
+            com.android.internal.util.AnnotationValidations.validate(
+                    NonNull.class, null, mPackageName);
+            mClassName = className;
+            com.android.internal.util.AnnotationValidations.validate(
+                    NonNull.class, null, mClassName);
+        }
+
+        /**
+         * Sets package name of the App link.
+         */
+        @NonNull
+        public Builder setPackageName(@NonNull String value) {
+            mPackageName = value;
+            return this;
+        }
+
+        /**
+         * Sets app name of the App link.
+         */
+        @NonNull
+        public Builder setClassName(@NonNull String value) {
+            mClassName = value;
+            return this;
+        }
+
+        /**
+         * Sets URI scheme of the App link.
+         */
+        @NonNull
+        public Builder setUriScheme(@Nullable String value) {
+            mUriScheme = value;
+            return this;
+        }
+
+        /**
+         * Sets URI host of the App link.
+         */
+        @NonNull
+        public Builder setUriHost(@Nullable String value) {
+            mUriHost = value;
+            return this;
+        }
+
+        /**
+         * Sets URI prefix of the App link.
+         */
+        @NonNull
+        public Builder setUriPrefix(@Nullable String value) {
+            mUriPrefix = value;
+            return this;
+        }
+
+        /** Builds the instance. This builder should not be touched after calling this! */
+        @NonNull
+        public AppLinkInfo build() {
+            AppLinkInfo o = new AppLinkInfo(
+                    mPackageName,
+                    mClassName,
+                    mUriScheme,
+                    mUriHost,
+                    mUriPrefix);
+            return o;
+        }
+    }
+}
diff --git a/media/java/android/media/tv/interactive/ITvInteractiveAppManager.aidl b/media/java/android/media/tv/interactive/ITvInteractiveAppManager.aidl
index a8ef095..aaabe34 100644
--- a/media/java/android/media/tv/interactive/ITvInteractiveAppManager.aidl
+++ b/media/java/android/media/tv/interactive/ITvInteractiveAppManager.aidl
@@ -20,6 +20,7 @@
 import android.media.tv.AdResponse;
 import android.media.tv.BroadcastInfoResponse;
 import android.media.tv.TvTrackInfo;
+import android.media.tv.interactive.AppLinkInfo;
 import android.media.tv.interactive.ITvInteractiveAppClient;
 import android.media.tv.interactive.ITvInteractiveAppManagerCallback;
 import android.media.tv.interactive.TvInteractiveAppInfo;
@@ -34,8 +35,8 @@
 interface ITvInteractiveAppManager {
     List<TvInteractiveAppInfo> getTvInteractiveAppServiceList(int userId);
     void prepare(String tiasId, int type, int userId);
-    void registerAppLinkInfo(String tiasId, in Bundle info, int userId);
-    void unregisterAppLinkInfo(String tiasId, in Bundle info, int userId);
+    void registerAppLinkInfo(String tiasId, in AppLinkInfo info, int userId);
+    void unregisterAppLinkInfo(String tiasId, in AppLinkInfo info, int userId);
     void sendAppLinkCommand(String tiasId, in Bundle command, int userId);
     void startInteractiveApp(in IBinder sessionToken, int userId);
     void stopInteractiveApp(in IBinder sessionToken, int userId);
diff --git a/media/java/android/media/tv/interactive/ITvInteractiveAppService.aidl b/media/java/android/media/tv/interactive/ITvInteractiveAppService.aidl
index 68fae2d..b6d518f 100644
--- a/media/java/android/media/tv/interactive/ITvInteractiveAppService.aidl
+++ b/media/java/android/media/tv/interactive/ITvInteractiveAppService.aidl
@@ -16,6 +16,7 @@
 
 package android.media.tv.interactive;
 
+import android.media.tv.interactive.AppLinkInfo;
 import android.media.tv.interactive.ITvInteractiveAppServiceCallback;
 import android.media.tv.interactive.ITvInteractiveAppSessionCallback;
 import android.os.Bundle;
@@ -32,7 +33,7 @@
     void createSession(in InputChannel channel, in ITvInteractiveAppSessionCallback callback,
             in String iAppServiceId, int type);
     void prepare(int type);
-    void registerAppLinkInfo(in Bundle info);
-    void unregisterAppLinkInfo(in Bundle info);
+    void registerAppLinkInfo(in AppLinkInfo info);
+    void unregisterAppLinkInfo(in AppLinkInfo info);
     void sendAppLinkCommand(in Bundle command);
 }
\ No newline at end of file
diff --git a/media/java/android/media/tv/interactive/TvInteractiveAppManager.java b/media/java/android/media/tv/interactive/TvInteractiveAppManager.java
index 15a5f823..39be501 100755
--- a/media/java/android/media/tv/interactive/TvInteractiveAppManager.java
+++ b/media/java/android/media/tv/interactive/TvInteractiveAppManager.java
@@ -757,7 +757,8 @@
      * Registers app link info.
      * @hide
      */
-    public void registerAppLinkInfo(@NonNull String tvIAppServiceId, @NonNull Bundle appLinkInfo) {
+    public void registerAppLinkInfo(
+            @NonNull String tvIAppServiceId, @NonNull AppLinkInfo appLinkInfo) {
         try {
             mService.registerAppLinkInfo(tvIAppServiceId, appLinkInfo, mUserId);
         } catch (RemoteException e) {
@@ -770,7 +771,7 @@
      * @hide
      */
     public void unregisterAppLinkInfo(
-            @NonNull String tvIAppServiceId, @NonNull Bundle appLinkInfo) {
+            @NonNull String tvIAppServiceId, @NonNull AppLinkInfo appLinkInfo) {
         try {
             mService.unregisterAppLinkInfo(tvIAppServiceId, appLinkInfo, mUserId);
         } catch (RemoteException e) {
diff --git a/media/java/android/media/tv/interactive/TvInteractiveAppService.java b/media/java/android/media/tv/interactive/TvInteractiveAppService.java
index 094aabd..d599d0a 100755
--- a/media/java/android/media/tv/interactive/TvInteractiveAppService.java
+++ b/media/java/android/media/tv/interactive/TvInteractiveAppService.java
@@ -131,6 +131,13 @@
     /** @hide */
     public static final String COMMAND_PARAMETER_KEY_TRACK_SELECT_MODE =
             "command_track_select_mode";
+    /**
+     * Command to quiet channel change. No channel banner or channel info is shown.
+     * <p>Refer to HbbTV Spec 2.0.4 chapter A.2.4.3.
+     * @hide
+     */
+    public static final String COMMAND_PARAMETER_KEY_CHANGE_CHANNEL_QUIETLY =
+            "command_change_channel_quietly";
 
     private final Handler mServiceHandler = new ServiceHandler();
     private final RemoteCallbackList<ITvInteractiveAppServiceCallback> mCallbacks =
@@ -175,12 +182,12 @@
             }
 
             @Override
-            public void registerAppLinkInfo(Bundle appLinkInfo) {
+            public void registerAppLinkInfo(AppLinkInfo appLinkInfo) {
                 onRegisterAppLinkInfo(appLinkInfo);
             }
 
             @Override
-            public void unregisterAppLinkInfo(Bundle appLinkInfo) {
+            public void unregisterAppLinkInfo(AppLinkInfo appLinkInfo) {
                 onUnregisterAppLinkInfo(appLinkInfo);
             }
 
@@ -203,7 +210,7 @@
      * Registers App link info.
      * @hide
      */
-    public void onRegisterAppLinkInfo(Bundle appLinkInfo) {
+    public void onRegisterAppLinkInfo(AppLinkInfo appLinkInfo) {
         // TODO: make it abstract when unhide
     }
 
@@ -211,7 +218,7 @@
      * Unregisters App link info.
      * @hide
      */
-    public void onUnregisterAppLinkInfo(Bundle appLinkInfo) {
+    public void onUnregisterAppLinkInfo(AppLinkInfo appLinkInfo) {
         // TODO: make it abstract when unhide
     }
 
diff --git a/media/java/android/media/tv/interactive/TvInteractiveAppView.java b/media/java/android/media/tv/interactive/TvInteractiveAppView.java
index 9590d5d..12e2199 100755
--- a/media/java/android/media/tv/interactive/TvInteractiveAppView.java
+++ b/media/java/android/media/tv/interactive/TvInteractiveAppView.java
@@ -22,6 +22,7 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.XmlResourceParser;
+import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.media.tv.TvInputManager;
@@ -237,6 +238,7 @@
         // The surface view's content should be treated as secure all the time.
         mSurfaceView.setSecure(true);
         mSurfaceView.getHolder().addCallback(mSurfaceHolderCallback);
+        mSurfaceView.getHolder().setFormat(PixelFormat.TRANSLUCENT);
         addView(mSurfaceView);
     }
 
diff --git a/media/java/android/media/tv/tuner/filter/SectionSettings.java b/media/java/android/media/tv/tuner/filter/SectionSettings.java
index f123675..83ed8e8 100644
--- a/media/java/android/media/tv/tuner/filter/SectionSettings.java
+++ b/media/java/android/media/tv/tuner/filter/SectionSettings.java
@@ -82,7 +82,7 @@
      * The section filter uses this for CRC (Cyclic redundancy check) checking when
      * {@link #isCrcEnabled()} is {@code true}.
      */
-    public int getBitWidthOfLengthField() {
+    public int getLengthFieldBitWidth() {
         return mBitWidthOfLengthField;
     }
 
diff --git a/packages/ConnectivityT/framework-t/Android.bp b/packages/ConnectivityT/framework-t/Android.bp
index d3d8bba..223bdcdd 100644
--- a/packages/ConnectivityT/framework-t/Android.bp
+++ b/packages/ConnectivityT/framework-t/Android.bp
@@ -129,6 +129,11 @@
         "src/android/net/EthernetNetworkSpecifier.java",
         "src/android/net/IEthernetManager.aidl",
         "src/android/net/IEthernetServiceListener.aidl",
+        "src/android/net/IInternalNetworkManagementListener.aidl",
+        "src/android/net/InternalNetworkUpdateRequest.java",
+        "src/android/net/InternalNetworkUpdateRequest.aidl",
+        "src/android/net/InternalNetworkManagementException.java",
+        "src/android/net/InternalNetworkManagementException.aidl",
         "src/android/net/ITetheredInterfaceCallback.aidl",
     ],
     path: "src",
diff --git a/packages/ConnectivityT/framework-t/src/android/app/usage/NetworkStatsManager.java b/packages/ConnectivityT/framework-t/src/android/app/usage/NetworkStatsManager.java
index 683678a..8813f98 100644
--- a/packages/ConnectivityT/framework-t/src/android/app/usage/NetworkStatsManager.java
+++ b/packages/ConnectivityT/framework-t/src/android/app/usage/NetworkStatsManager.java
@@ -157,6 +157,11 @@
         setAugmentWithSubscriptionPlan(true);
     }
 
+    /** @hide */
+    public INetworkStatsService getBinder() {
+        return mService;
+    }
+
     /**
      * Set poll on open flag to indicate the poll is needed before service gets statistics
      * result. This is default enabled. However, for any non-privileged caller, the poll might
diff --git a/core/java/android/net/IInternalNetworkManagementListener.aidl b/packages/ConnectivityT/framework-t/src/android/net/IInternalNetworkManagementListener.aidl
similarity index 100%
rename from core/java/android/net/IInternalNetworkManagementListener.aidl
rename to packages/ConnectivityT/framework-t/src/android/net/IInternalNetworkManagementListener.aidl
diff --git a/core/java/android/net/InternalNetworkManagementException.aidl b/packages/ConnectivityT/framework-t/src/android/net/InternalNetworkManagementException.aidl
similarity index 100%
rename from core/java/android/net/InternalNetworkManagementException.aidl
rename to packages/ConnectivityT/framework-t/src/android/net/InternalNetworkManagementException.aidl
diff --git a/core/java/android/net/InternalNetworkManagementException.java b/packages/ConnectivityT/framework-t/src/android/net/InternalNetworkManagementException.java
similarity index 100%
rename from core/java/android/net/InternalNetworkManagementException.java
rename to packages/ConnectivityT/framework-t/src/android/net/InternalNetworkManagementException.java
diff --git a/core/java/android/net/InternalNetworkUpdateRequest.aidl b/packages/ConnectivityT/framework-t/src/android/net/InternalNetworkUpdateRequest.aidl
similarity index 100%
rename from core/java/android/net/InternalNetworkUpdateRequest.aidl
rename to packages/ConnectivityT/framework-t/src/android/net/InternalNetworkUpdateRequest.aidl
diff --git a/core/java/android/net/InternalNetworkUpdateRequest.java b/packages/ConnectivityT/framework-t/src/android/net/InternalNetworkUpdateRequest.java
similarity index 100%
rename from core/java/android/net/InternalNetworkUpdateRequest.java
rename to packages/ConnectivityT/framework-t/src/android/net/InternalNetworkUpdateRequest.java
diff --git a/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentity.java b/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentity.java
index 9b9d38a..d3d5a08 100644
--- a/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentity.java
+++ b/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentity.java
@@ -16,6 +16,8 @@
 
 package android.net;
 
+import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+import static android.net.ConnectivityManager.TYPE_MOBILE;
 import static android.net.ConnectivityManager.TYPE_WIFI;
 import static android.net.NetworkTemplate.NETWORK_TYPE_ALL;
 
@@ -23,6 +25,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SuppressLint;
+import android.annotation.SystemApi;
 import android.content.Context;
 import android.net.wifi.WifiInfo;
 import android.service.NetworkIdentityProto;
@@ -30,6 +33,7 @@
 import android.telephony.TelephonyManager;
 import android.util.proto.ProtoOutputStream;
 
+import com.android.net.module.util.CollectionUtils;
 import com.android.net.module.util.NetworkCapabilitiesUtils;
 import com.android.net.module.util.NetworkIdentityUtils;
 
@@ -44,8 +48,8 @@
  *
  * @hide
  */
-// @SystemApi(client = MODULE_LIBRARIES)
-public class NetworkIdentity implements Comparable<NetworkIdentity> {
+@SystemApi(client = MODULE_LIBRARIES)
+public class NetworkIdentity {
     private static final String TAG = "NetworkIdentity";
 
     /** @hide */
@@ -55,7 +59,7 @@
 
     /** @hide */
     @Retention(RetentionPolicy.SOURCE)
-    @IntDef(prefix = { "OEM_MANAGED_" }, value = {
+    @IntDef(prefix = { "OEM_MANAGED_" }, flag = true, value = {
             NetworkTemplate.OEM_MANAGED_NO,
             NetworkTemplate.OEM_MANAGED_PAID,
             NetworkTemplate.OEM_MANAGED_PRIVATE
@@ -71,12 +75,14 @@
      * Network has {@link NetworkCapabilities#NET_CAPABILITY_OEM_PAID}.
      * @hide
      */
-    public static final int OEM_PAID = 0x1;
+    public static final int OEM_PAID = 1 << 0;
     /**
      * Network has {@link NetworkCapabilities#NET_CAPABILITY_OEM_PRIVATE}.
      * @hide
      */
-    public static final int OEM_PRIVATE = 0x2;
+    public static final int OEM_PRIVATE = 1 << 1;
+
+    private static final long SUPPORTED_OEM_MANAGED_TYPES = OEM_PAID | OEM_PRIVATE;
 
     final int mType;
     final int mRatType;
@@ -206,7 +212,7 @@
         return mSubscriberId;
     }
 
-    /** Get the Wifi Network Key of this instance. See {@link WifiInfo#getCurrentNetworkKey()}. */
+    /** Get the Wifi Network Key of this instance. See {@link WifiInfo#getNetworkKey()}. */
     @Nullable
     public String getWifiNetworkKey() {
         return mWifiNetworkKey;
@@ -218,7 +224,7 @@
         return mRoaming;
     }
 
-    /** Return the roaming status of this instance. */
+    /** Return whether this network is roaming. */
     public boolean isRoaming() {
         return mRoaming;
     }
@@ -229,7 +235,7 @@
         return mMetered;
     }
 
-    /** Return the meteredness of this instance. */
+    /** Return whether this network is metered. */
     public boolean isMetered() {
         return mMetered;
     }
@@ -240,7 +246,7 @@
         return mDefaultNetwork;
     }
 
-    /** Return the default network status of this instance. */
+    /** Return whether this network is the default network. */
     public boolean isDefaultNetwork() {
         return mDefaultNetwork;
     }
@@ -262,7 +268,7 @@
      *                {@link TelephonyManager#NETWORK_TYPE_UNKNOWN} if not applicable.
      *                See {@code TelephonyManager.NETWORK_TYPE_*}.
      * @hide
-     * @deprecated See {@link NetworkIdentity#Builder}.
+     * @deprecated See {@link NetworkIdentity.Builder}.
      */
     // TODO: Remove this after all callers are migrated to use new Api.
     @Deprecated
@@ -270,8 +276,12 @@
     public static NetworkIdentity buildNetworkIdentity(Context context,
             @NonNull NetworkStateSnapshot snapshot,
             boolean defaultNetwork, @Annotation.NetworkType int ratType) {
-        return new NetworkIdentity.Builder().setNetworkStateSnapshot(snapshot)
-                .setDefaultNetwork(defaultNetwork).setRatType(ratType).build();
+        final NetworkIdentity.Builder builder = new NetworkIdentity.Builder()
+                .setNetworkStateSnapshot(snapshot).setDefaultNetwork(defaultNetwork);
+        if (snapshot.getLegacyType() == TYPE_MOBILE && ratType != NETWORK_TYPE_ALL) {
+            builder.setRatType(ratType);
+        }
+        return builder.build();
     }
 
     /**
@@ -291,30 +301,30 @@
         return oemManaged;
     }
 
-    @Override
-    public int compareTo(@NonNull NetworkIdentity another) {
-        Objects.requireNonNull(another);
-        int res = Integer.compare(mType, another.mType);
+    /** @hide */
+    public static int compare(@NonNull NetworkIdentity left, @NonNull NetworkIdentity right) {
+        Objects.requireNonNull(right);
+        int res = Integer.compare(left.mType, right.mType);
         if (res == 0) {
-            res = Integer.compare(mRatType, another.mRatType);
+            res = Integer.compare(left.mRatType, right.mRatType);
         }
-        if (res == 0 && mSubscriberId != null && another.mSubscriberId != null) {
-            res = mSubscriberId.compareTo(another.mSubscriberId);
+        if (res == 0 && left.mSubscriberId != null && right.mSubscriberId != null) {
+            res = left.mSubscriberId.compareTo(right.mSubscriberId);
         }
-        if (res == 0 && mWifiNetworkKey != null && another.mWifiNetworkKey != null) {
-            res = mWifiNetworkKey.compareTo(another.mWifiNetworkKey);
+        if (res == 0 && left.mWifiNetworkKey != null && right.mWifiNetworkKey != null) {
+            res = left.mWifiNetworkKey.compareTo(right.mWifiNetworkKey);
         }
         if (res == 0) {
-            res = Boolean.compare(mRoaming, another.mRoaming);
+            res = Boolean.compare(left.mRoaming, right.mRoaming);
         }
         if (res == 0) {
-            res = Boolean.compare(mMetered, another.mMetered);
+            res = Boolean.compare(left.mMetered, right.mMetered);
         }
         if (res == 0) {
-            res = Boolean.compare(mDefaultNetwork, another.mDefaultNetwork);
+            res = Boolean.compare(left.mDefaultNetwork, right.mDefaultNetwork);
         }
         if (res == 0) {
-            res = Integer.compare(mOemManaged, another.mOemManaged);
+            res = Integer.compare(left.mOemManaged, right.mOemManaged);
         }
         return res;
     }
@@ -323,6 +333,11 @@
      * Builder class for {@link NetworkIdentity}.
      */
     public static final class Builder {
+        // Need to be synchronized with ConnectivityManager.
+        // TODO: Use {@link ConnectivityManager#MAX_NETWORK_TYPE} when this file is in the module.
+        private static final int MAX_NETWORK_TYPE = 18; // TYPE_TEST
+        private static final int MIN_NETWORK_TYPE = TYPE_MOBILE;
+
         private int mType;
         private int mRatType;
         private String mSubscriberId;
@@ -349,7 +364,14 @@
 
         /**
          * Add an {@link NetworkStateSnapshot} into the {@link NetworkIdentity} instance.
-         * This is to read roaming, metered, wifikey... from the snapshot for convenience.
+         * This is a useful shorthand that will read from the snapshot and set the
+         * following fields, if they are set in the snapshot :
+         *  - type
+         *  - subscriberId
+         *  - roaming
+         *  - metered
+         *  - oemManaged
+         *  - wifiNetworkKey
          *
          * @param snapshot The target {@link NetworkStateSnapshot} object.
          * @return The builder object.
@@ -374,9 +396,7 @@
                         .getTransportInfo();
                 if (transportInfo instanceof WifiInfo) {
                     final WifiInfo info = (WifiInfo) transportInfo;
-                    if (info != null) {
-                        setWifiNetworkKey(info.getCurrentNetworkKey());
-                    }
+                    setWifiNetworkKey(info.getNetworkKey());
                 }
             }
             return this;
@@ -391,6 +411,12 @@
          */
         @NonNull
         public Builder setType(int type) {
+            // Include TYPE_NONE for compatibility, type field might not be filled by some
+            // networks such as test networks.
+            if ((type < MIN_NETWORK_TYPE || MAX_NETWORK_TYPE < type)
+                    && type != ConnectivityManager.TYPE_NONE) {
+                throw new IllegalArgumentException("Invalid network type: " + type);
+            }
             mType = type;
             return this;
         }
@@ -398,6 +424,8 @@
         /**
          * Set the Radio Access Technology(RAT) type of the network.
          *
+         * No RAT type is specified by default. Call clearRatType to reset.
+         *
          * @param ratType the Radio Access Technology(RAT) type if applicable. See
          *                {@code TelephonyManager.NETWORK_TYPE_*}.
          *
@@ -405,6 +433,10 @@
          */
         @NonNull
         public Builder setRatType(@Annotation.NetworkType int ratType) {
+            if (!CollectionUtils.contains(TelephonyManager.getAllNetworkTypes(), ratType)
+                    && ratType != TelephonyManager.NETWORK_TYPE_UNKNOWN) {
+                throw new IllegalArgumentException("Invalid ratType " + ratType);
+            }
             mRatType = ratType;
             return this;
         }
@@ -436,7 +468,7 @@
          * Set the Wifi Network Key.
          *
          * @param wifiNetworkKey Wifi Network Key of the network,
-         *                        see {@link WifiInfo#getCurrentNetworkKey()}.
+         *                        see {@link WifiInfo#getNetworkKey()}.
          *                        Or null if not applicable.
          * @return this builder.
          */
@@ -447,7 +479,9 @@
         }
 
         /**
-         * Set the roaming.
+         * Set whether this network is roaming.
+         *
+         * This field is false by default. Call with false to reset.
          *
          * @param roaming the roaming status of the network.
          * @return this builder.
@@ -459,7 +493,9 @@
         }
 
         /**
-         * Set the meteredness.
+         * Set whether this network is metered.
+         *
+         * This field is false by default. Call with false to reset.
          *
          * @param metered the meteredness of the network.
          * @return this builder.
@@ -471,7 +507,9 @@
         }
 
         /**
-         * Set the default network status.
+         * Set whether this network is the default network.
+         *
+         * This field is false by default. Call with false to reset.
          *
          * @param defaultNetwork the default network status of the network.
          * @return this builder.
@@ -491,10 +529,27 @@
          */
         @NonNull
         public Builder setOemManaged(@OemManaged int oemManaged) {
+            // Assert input does not contain illegal oemManage bits.
+            if ((~SUPPORTED_OEM_MANAGED_TYPES & oemManaged) != 0) {
+                throw new IllegalArgumentException("Invalid value for OemManaged : " + oemManaged);
+            }
             mOemManaged = oemManaged;
             return this;
         }
 
+        private void ensureValidParameters() {
+            // Assert non-mobile network cannot have a ratType.
+            if (mType != TYPE_MOBILE && mRatType != NetworkTemplate.NETWORK_TYPE_ALL) {
+                throw new IllegalArgumentException(
+                        "Invalid ratType " + mRatType + " for type " + mType);
+            }
+
+            // Assert non-wifi network cannot have a wifi network key.
+            if (mType != TYPE_WIFI && mWifiNetworkKey != null) {
+                throw new IllegalArgumentException("Invalid wifi network key for type " + mType);
+            }
+        }
+
         /**
          * Builds the instance of the {@link NetworkIdentity}.
          *
@@ -502,6 +557,7 @@
          */
         @NonNull
         public NetworkIdentity build() {
+            ensureValidParameters();
             return new NetworkIdentity(mType, mRatType, mSubscriberId, mWifiNetworkKey,
                     mRoaming, mMetered, mDefaultNetwork, mOemManaged);
         }
diff --git a/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentitySet.java b/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentitySet.java
index 041f070..dfa347f 100644
--- a/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentitySet.java
+++ b/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentitySet.java
@@ -27,6 +27,7 @@
 import java.io.IOException;
 import java.util.HashSet;
 import java.util.Objects;
+import java.util.Set;
 
 /**
  * Identity of a {@code iface}, defined by the set of {@link NetworkIdentity}
@@ -34,9 +35,7 @@
  *
  * @hide
  */
-// @SystemApi(client = MODULE_LIBRARIES)
-public class NetworkIdentitySet extends HashSet<NetworkIdentity> implements
-        Comparable<NetworkIdentitySet> {
+public class NetworkIdentitySet extends HashSet<NetworkIdentity> {
     private static final int VERSION_INIT = 1;
     private static final int VERSION_ADD_ROAMING = 2;
     private static final int VERSION_ADD_NETWORK_ID = 3;
@@ -52,6 +51,11 @@
     }
 
     /** @hide */
+    public NetworkIdentitySet(@NonNull Set<NetworkIdentity> ident) {
+        super(ident);
+    }
+
+    /** @hide */
     public NetworkIdentitySet(DataInput in) throws IOException {
         final int version = in.readInt();
         final int size = in.readInt();
@@ -189,15 +193,15 @@
         }
     }
 
-    @Override
-    public int compareTo(@NonNull NetworkIdentitySet another) {
-        Objects.requireNonNull(another);
-        if (isEmpty()) return -1;
-        if (another.isEmpty()) return 1;
+    public static int compare(@NonNull NetworkIdentitySet left, @NonNull NetworkIdentitySet right) {
+        Objects.requireNonNull(left);
+        Objects.requireNonNull(right);
+        if (left.isEmpty()) return -1;
+        if (right.isEmpty()) return 1;
 
-        final NetworkIdentity ident = iterator().next();
-        final NetworkIdentity anotherIdent = another.iterator().next();
-        return ident.compareTo(anotherIdent);
+        final NetworkIdentity leftIdent = left.iterator().next();
+        final NetworkIdentity rightIdent = right.iterator().next();
+        return NetworkIdentity.compare(leftIdent, rightIdent);
     }
 
     /**
diff --git a/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsCollection.java b/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsCollection.java
index f169fed..58ca21f 100644
--- a/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsCollection.java
+++ b/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsCollection.java
@@ -72,6 +72,7 @@
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Objects;
+import java.util.Set;
 
 /**
  * Collection of {@link NetworkStatsHistory}, stored based on combined key of
@@ -702,7 +703,7 @@
     private ArrayList<Key> getSortedKeys() {
         final ArrayList<Key> keys = new ArrayList<>();
         keys.addAll(mStats.keySet());
-        Collections.sort(keys);
+        Collections.sort(keys, (left, right) -> Key.compare(left, right));
         return keys;
     }
 
@@ -812,7 +813,7 @@
      * the identifier that associate with the {@link NetworkStatsHistory} object to identify
      * a certain record in the {@link NetworkStatsCollection} object.
      */
-    public static class Key implements Comparable<Key> {
+    public static class Key {
         /** @hide */
         public final NetworkIdentitySet ident;
         /** @hide */
@@ -832,6 +833,11 @@
          * @param set Set of the record, see {@code NetworkStats#SET_*}.
          * @param tag Tag of the record, see {@link TrafficStats#setThreadStatsTag(int)}.
          */
+        public Key(@NonNull Set<NetworkIdentity> ident, int uid, int set, int tag) {
+            this(new NetworkIdentitySet(Objects.requireNonNull(ident)), uid, set, tag);
+        }
+
+        /** @hide */
         public Key(@NonNull NetworkIdentitySet ident, int uid, int set, int tag) {
             this.ident = Objects.requireNonNull(ident);
             this.uid = uid;
@@ -855,21 +861,22 @@
             return false;
         }
 
-        @Override
-        public int compareTo(@NonNull Key another) {
-            Objects.requireNonNull(another);
+        /** @hide */
+        public static int compare(@NonNull Key left, @NonNull Key right) {
+            Objects.requireNonNull(left);
+            Objects.requireNonNull(right);
             int res = 0;
-            if (ident != null && another.ident != null) {
-                res = ident.compareTo(another.ident);
+            if (left.ident != null && right.ident != null) {
+                res = NetworkIdentitySet.compare(left.ident, right.ident);
             }
             if (res == 0) {
-                res = Integer.compare(uid, another.uid);
+                res = Integer.compare(left.uid, right.uid);
             }
             if (res == 0) {
-                res = Integer.compare(set, another.set);
+                res = Integer.compare(left.set, right.set);
             }
             if (res == 0) {
-                res = Integer.compare(tag, another.tag);
+                res = Integer.compare(left.tag, right.tag);
             }
             return res;
         }
diff --git a/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsHistory.java b/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsHistory.java
index 90054c6..78c1370 100644
--- a/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsHistory.java
+++ b/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsHistory.java
@@ -16,6 +16,7 @@
 
 package android.net;
 
+import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
 import static android.net.NetworkStats.IFACE_ALL;
 import static android.net.NetworkStats.SET_DEFAULT;
 import static android.net.NetworkStats.TAG_NONE;
@@ -31,6 +32,7 @@
 import static com.android.net.module.util.NetworkStatsUtils.multiplySafeByRational;
 
 import android.annotation.NonNull;
+import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.os.Parcel;
@@ -51,7 +53,9 @@
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.net.ProtocolException;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import java.util.Random;
 
 /**
@@ -65,7 +69,7 @@
  *
  * @hide
  */
-// @SystemApi(client = MODULE_LIBRARIES)
+@SystemApi(client = MODULE_LIBRARIES)
 public final class NetworkStatsHistory implements Parcelable {
     private static final int VERSION_INIT = 1;
     private static final int VERSION_ADD_PACKETS = 2;
@@ -97,23 +101,157 @@
     private long[] operations;
     private long totalBytes;
 
-    public static class Entry {
+    /** @hide */
+    public NetworkStatsHistory(long bucketDuration, long[] bucketStart, long[] activeTime,
+            long[] rxBytes, long[] rxPackets, long[] txBytes, long[] txPackets,
+            long[] operations, int bucketCount, long totalBytes) {
+        this.bucketDuration = bucketDuration;
+        this.bucketStart = bucketStart;
+        this.activeTime = activeTime;
+        this.rxBytes = rxBytes;
+        this.rxPackets = rxPackets;
+        this.txBytes = txBytes;
+        this.txPackets = txPackets;
+        this.operations = operations;
+        this.bucketCount = bucketCount;
+        this.totalBytes = totalBytes;
+    }
+
+    /**
+     * An instance to represent a single record in a {@link NetworkStatsHistory} object.
+     */
+    public static final class Entry {
+        /** @hide */
         public static final long UNKNOWN = -1;
 
+        /** @hide */
+        // TODO: Migrate all callers to get duration from the history object and remove this field.
         @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public long bucketDuration;
+        /** @hide */
         @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public long bucketStart;
+        /** @hide */
         public long activeTime;
+        /** @hide */
         @UnsupportedAppUsage
         public long rxBytes;
+        /** @hide */
         @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public long rxPackets;
+        /** @hide */
         @UnsupportedAppUsage
         public long txBytes;
+        /** @hide */
         @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public long txPackets;
+        /** @hide */
         public long operations;
+        /** @hide */
+        Entry() {}
+
+        /**
+         * Construct a {@link Entry} instance to represent a single record in a
+         * {@link NetworkStatsHistory} object.
+         *
+         * @param bucketStart Start of period for this {@link Entry}, in milliseconds since the
+         *                    Unix epoch, see {@link java.lang.System#currentTimeMillis}.
+         * @param activeTime Active time for this {@link Entry}, in milliseconds.
+         * @param rxBytes Number of bytes received for this {@link Entry}. Statistics should
+         *                represent the contents of IP packets, including IP headers.
+         * @param rxPackets Number of packets received for this {@link Entry}. Statistics should
+         *                  represent the contents of IP packets, including IP headers.
+         * @param txBytes Number of bytes transmitted for this {@link Entry}. Statistics should
+         *                represent the contents of IP packets, including IP headers.
+         * @param txPackets Number of bytes transmitted for this {@link Entry}. Statistics should
+         *                  represent the contents of IP packets, including IP headers.
+         * @param operations count of network operations performed for this {@link Entry}. This can
+         *                   be used to derive bytes-per-operation.
+         */
+        public Entry(long bucketStart, long activeTime, long rxBytes,
+                long rxPackets, long txBytes, long txPackets, long operations) {
+            this.bucketStart = bucketStart;
+            this.activeTime = activeTime;
+            this.rxBytes = rxBytes;
+            this.rxPackets = rxPackets;
+            this.txBytes = txBytes;
+            this.txPackets = txPackets;
+            this.operations = operations;
+        }
+
+        /**
+         * Get start timestamp of the bucket's time interval, in milliseconds since the Unix epoch.
+         */
+        public long getBucketStart() {
+            return bucketStart;
+        }
+
+        /**
+         * Get active time of the bucket's time interval, in milliseconds.
+         */
+        public long getActiveTime() {
+            return activeTime;
+        }
+
+        /** Get number of bytes received for this {@link Entry}. */
+        public long getRxBytes() {
+            return rxBytes;
+        }
+
+        /** Get number of packets received for this {@link Entry}. */
+        public long getRxPackets() {
+            return rxPackets;
+        }
+
+        /** Get number of bytes transmitted for this {@link Entry}. */
+        public long getTxBytes() {
+            return txBytes;
+        }
+
+        /** Get number of packets transmitted for this {@link Entry}. */
+        public long getTxPackets() {
+            return txPackets;
+        }
+
+        /** Get count of network operations performed for this {@link Entry}. */
+        public long getOperations() {
+            return operations;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) return true;
+            if (o.getClass() != getClass()) return false;
+            Entry entry = (Entry) o;
+            return bucketStart == entry.bucketStart
+                    && activeTime == entry.activeTime && rxBytes == entry.rxBytes
+                    && rxPackets == entry.rxPackets && txBytes == entry.txBytes
+                    && txPackets == entry.txPackets && operations == entry.operations;
+        }
+
+        @Override
+        public int hashCode() {
+            return (int) (bucketStart * 2
+                    + activeTime * 3
+                    + rxBytes * 5
+                    + rxPackets * 7
+                    + txBytes * 11
+                    + txPackets * 13
+                    + operations * 17);
+        }
+
+        @Override
+        public String toString() {
+            return "Entry{"
+                    + "bucketStart=" + bucketStart
+                    + ", activeTime=" + activeTime
+                    + ", rxBytes=" + rxBytes
+                    + ", rxPackets=" + rxPackets
+                    + ", txBytes=" + txBytes
+                    + ", txPackets=" + txPackets
+                    + ", operations=" + operations
+                    + "}";
+        }
     }
 
     /** @hide */
@@ -324,6 +462,22 @@
         return entry;
     }
 
+    /**
+     * Get List of {@link Entry} of the {@link NetworkStatsHistory} instance.
+     *
+     * @return
+     */
+    @NonNull
+    public List<Entry> getEntries() {
+        // TODO: Return a wrapper that uses this list instead, to prevent the returned result
+        //  from being changed.
+        final ArrayList<Entry> ret = new ArrayList<>(size());
+        for (int i = 0; i < size(); i++) {
+            ret.add(getValues(i, null /* recycle */));
+        }
+        return ret;
+    }
+
     /** @hide */
     public void setValues(int i, Entry entry) {
         // Unwind old values
@@ -928,4 +1082,80 @@
         }
     }
 
+    /**
+     * Builder class for {@link NetworkStatsHistory}.
+     */
+    public static final class Builder {
+        private final long mBucketDuration;
+        private final List<Long> mBucketStart;
+        private final List<Long> mActiveTime;
+        private final List<Long> mRxBytes;
+        private final List<Long> mRxPackets;
+        private final List<Long> mTxBytes;
+        private final List<Long> mTxPackets;
+        private final List<Long> mOperations;
+
+        /**
+         * Creates a new Builder with given bucket duration and initial capacity to construct
+         * {@link NetworkStatsHistory} objects.
+         *
+         * @param bucketDuration Duration of the buckets of the object, in milliseconds.
+         * @param initialCapacity Estimated number of records.
+         */
+        public Builder(long bucketDuration, int initialCapacity) {
+            mBucketDuration = bucketDuration;
+            mBucketStart = new ArrayList<>(initialCapacity);
+            mActiveTime = new ArrayList<>(initialCapacity);
+            mRxBytes = new ArrayList<>(initialCapacity);
+            mRxPackets = new ArrayList<>(initialCapacity);
+            mTxBytes = new ArrayList<>(initialCapacity);
+            mTxPackets = new ArrayList<>(initialCapacity);
+            mOperations = new ArrayList<>(initialCapacity);
+        }
+
+        /**
+         * Add an {@link Entry} into the {@link NetworkStatsHistory} instance.
+         *
+         * @param entry The target {@link Entry} object.
+         * @return The builder object.
+         */
+        @NonNull
+        public Builder addEntry(@NonNull Entry entry) {
+            mBucketStart.add(entry.bucketStart);
+            mActiveTime.add(entry.activeTime);
+            mRxBytes.add(entry.rxBytes);
+            mRxPackets.add(entry.rxPackets);
+            mTxBytes.add(entry.txBytes);
+            mTxPackets.add(entry.txPackets);
+            mOperations.add(entry.operations);
+            return this;
+        }
+
+        private static long sum(@NonNull List<Long> list) {
+            long sum = 0;
+            for (long entry : list) {
+                sum += entry;
+            }
+            return sum;
+        }
+
+        /**
+         * Builds the instance of the {@link NetworkStatsHistory}.
+         *
+         * @return the built instance of {@link NetworkStatsHistory}.
+         */
+        @NonNull
+        public NetworkStatsHistory build() {
+            return new NetworkStatsHistory(mBucketDuration,
+                    CollectionUtils.toLongArray(mBucketStart),
+                    CollectionUtils.toLongArray(mActiveTime),
+                    CollectionUtils.toLongArray(mRxBytes),
+                    CollectionUtils.toLongArray(mRxPackets),
+                    CollectionUtils.toLongArray(mTxBytes),
+                    CollectionUtils.toLongArray(mTxPackets),
+                    CollectionUtils.toLongArray(mOperations),
+                    mBucketStart.size(),
+                    sum(mRxBytes) + sum(mTxBytes));
+        }
+    }
 }
diff --git a/packages/ConnectivityT/framework-t/src/android/net/NetworkTemplate.java b/packages/ConnectivityT/framework-t/src/android/net/NetworkTemplate.java
index a7e48d4..cad8075 100644
--- a/packages/ConnectivityT/framework-t/src/android/net/NetworkTemplate.java
+++ b/packages/ConnectivityT/framework-t/src/android/net/NetworkTemplate.java
@@ -263,7 +263,7 @@
      * Template to match {@link ConnectivityManager#TYPE_WIFI} networks with the
      * given key of the wifi network.
      *
-     * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getCurrentNetworkKey()}
+     * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getNetworkKey()}
      *                  to know details about the key.
      * @hide
      */
@@ -283,7 +283,7 @@
      * Call with {@link #WIFI_NETWORK_KEY_ALL} for {@code wifiNetworkKey} to get result regardless
      * of key of the wifi network.
      *
-     * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getCurrentNetworkKey()}
+     * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getNetworkKey()}
      *                  to know details about the key.
      * @param subscriberId the IMSI associated to this wifi network.
      *
@@ -593,7 +593,7 @@
 
     /**
      * Get the set of Wifi Network Keys of the template.
-     * See {@link WifiInfo#getCurrentNetworkKey()}.
+     * See {@link WifiInfo#getNetworkKey()}.
      */
     @NonNull
     public Set<String> getWifiNetworkKeys() {
@@ -729,7 +729,7 @@
      * Returns true when the key matches, or when {@code mMatchWifiNetworkKeys} is
      * empty.
      *
-     * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getCurrentNetworkKey()}
+     * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getNetworkKey()}
      *                  to know details about the key.
      */
     private boolean matchesWifiNetworkKey(@NonNull String wifiNetworkKey) {
@@ -1059,9 +1059,9 @@
          * the intention of matching any Wifi Network Key.
          *
          * @param wifiNetworkKeys the list of Wifi Network Key,
-         *                        see {@link WifiInfo#getCurrentNetworkKey()}.
+         *                        see {@link WifiInfo#getNetworkKey()}.
          *                        Or an empty list to match all networks.
-         *                        Note that {@code getCurrentNetworkKey()} might get null key
+         *                        Note that {@code getNetworkKey()} might get null key
          *                        when wifi disconnects. However, the caller should never invoke
          *                        this function with a null Wifi Network Key since such statistics
          *                        never exists.
diff --git a/packages/ConnectivityT/framework-t/src/android/net/TrafficStats.java b/packages/ConnectivityT/framework-t/src/android/net/TrafficStats.java
index 1af32bf..c803a72 100644
--- a/packages/ConnectivityT/framework-t/src/android/net/TrafficStats.java
+++ b/packages/ConnectivityT/framework-t/src/android/net/TrafficStats.java
@@ -17,7 +17,6 @@
 package android.net;
 
 import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
@@ -27,8 +26,8 @@
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.media.MediaPlayer;
+import android.os.Binder;
 import android.os.Build;
-import android.os.IBinder;
 import android.os.RemoteException;
 
 import com.android.server.NetworkManagementSocketTagger;
@@ -37,8 +36,6 @@
 
 import java.io.FileDescriptor;
 import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 import java.net.DatagramSocket;
 import java.net.Socket;
 import java.net.SocketException;
@@ -177,25 +174,12 @@
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 130143562)
     private synchronized static INetworkStatsService getStatsService() {
         if (sStatsService == null) {
-            sStatsService = getStatsBinder();
+            throw new IllegalStateException("TrafficStats not initialized, uid="
+                    + Binder.getCallingUid());
         }
         return sStatsService;
     }
 
-    @Nullable
-    private static INetworkStatsService getStatsBinder() {
-        try {
-            final Method getServiceMethod = Class.forName("android.os.ServiceManager")
-                    .getDeclaredMethod("getService", new Class[]{String.class});
-            final IBinder binder = (IBinder) getServiceMethod.invoke(
-                    null, Context.NETWORK_STATS_SERVICE);
-            return INetworkStatsService.Stub.asInterface(binder);
-        } catch (NoSuchMethodException | ClassNotFoundException | IllegalAccessException
-                | InvocationTargetException e) {
-            throw new NullPointerException("Cannot get INetworkStatsService: " + e);
-        }
-    }
-
     /**
      * Snapshot of {@link NetworkStats} when the currently active profiling
      * session started, or {@code null} if no session active.
@@ -210,6 +194,26 @@
     private static final String LOOPBACK_IFACE = "lo";
 
     /**
+     * Initialization {@link TrafficStats} with the context, to
+     * allow {@link TrafficStats} to fetch the needed binder.
+     *
+     * @param context a long-lived context, such as the application context or system
+     *                server context.
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    @SuppressLint("VisiblySynchronized")
+    public static synchronized void init(@NonNull final Context context) {
+        if (sStatsService != null) {
+            throw new IllegalStateException("TrafficStats is already initialized, uid="
+                    + Binder.getCallingUid());
+        }
+        final NetworkStatsManager statsManager =
+                context.getSystemService(NetworkStatsManager.class);
+        sStatsService = statsManager.getBinder();
+    }
+
+    /**
      * Set active tag to use when accounting {@link Socket} traffic originating
      * from the current thread. Only one active tag per thread is supported.
      * <p>
diff --git a/packages/ConnectivityT/service/Android.bp b/packages/ConnectivityT/service/Android.bp
index b261e16..36dd200 100644
--- a/packages/ConnectivityT/service/Android.bp
+++ b/packages/ConnectivityT/service/Android.bp
@@ -66,6 +66,7 @@
 filegroup {
     name: "services.connectivity-ethernet-sources",
     srcs: [
+        "src/com/android/server/net/DelayedDiskWrite.java",
         "src/com/android/server/net/IpConfigStore.java",
     ],
     path: "src",
diff --git a/services/core/java/com/android/server/net/DelayedDiskWrite.java b/packages/ConnectivityT/service/src/com/android/server/net/DelayedDiskWrite.java
similarity index 82%
rename from services/core/java/com/android/server/net/DelayedDiskWrite.java
rename to packages/ConnectivityT/service/src/com/android/server/net/DelayedDiskWrite.java
index 8f09eb7..35dc455 100644
--- a/services/core/java/com/android/server/net/DelayedDiskWrite.java
+++ b/packages/ConnectivityT/service/src/com/android/server/net/DelayedDiskWrite.java
@@ -26,21 +26,37 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 
+/**
+ * This class provides APIs to do a delayed data write to a given {@link OutputStream}.
+ */
 public class DelayedDiskWrite {
+    private static final String TAG = "DelayedDiskWrite";
+
     private HandlerThread mDiskWriteHandlerThread;
     private Handler mDiskWriteHandler;
     /* Tracks multiple writes on the same thread */
     private int mWriteSequence = 0;
-    private final String TAG = "DelayedDiskWrite";
 
+    /**
+     * Used to do a delayed data write to a given {@link OutputStream}.
+     */
     public interface Writer {
-        public void onWriteCalled(DataOutputStream out) throws IOException;
+        /**
+         * write data to a given {@link OutputStream}.
+         */
+        void onWriteCalled(DataOutputStream out) throws IOException;
     }
 
+    /**
+     * Do a delayed data write to a given output stream opened from filePath.
+     */
     public void write(final String filePath, final Writer w) {
         write(filePath, w, true);
     }
 
+    /**
+     * Do a delayed data write to a given output stream opened from filePath.
+     */
     public void write(final String filePath, final Writer w, final boolean open) {
         if (TextUtils.isEmpty(filePath)) {
             throw new IllegalArgumentException("empty file path");
@@ -77,7 +93,7 @@
             if (out != null) {
                 try {
                     out.close();
-                } catch (Exception e) {}
+                } catch (Exception e) { }
             }
 
             // Quit if no more writes sent
diff --git a/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsService.java b/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsService.java
index 9b90f3b..1105de3 100644
--- a/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsService.java
+++ b/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsService.java
@@ -106,7 +106,6 @@
 import android.os.DropBoxManager;
 import android.os.Environment;
 import android.os.Handler;
-import android.os.HandlerExecutor;
 import android.os.HandlerThread;
 import android.os.IBinder;
 import android.os.Looper;
@@ -450,7 +449,7 @@
         handlerThread.start();
         mHandler = new NetworkStatsHandler(handlerThread.getLooper());
         mNetworkStatsSubscriptionsMonitor = deps.makeSubscriptionsMonitor(mContext,
-                new HandlerExecutor(mHandler), this);
+                (command) -> mHandler.post(command) , this);
         mContentResolver = mContext.getContentResolver();
         mContentObserver = mDeps.makeContentObserver(mHandler, mSettings,
                 mNetworkStatsSubscriptionsMonitor);
@@ -557,7 +556,7 @@
         // watch for tethering changes
         final TetheringManager tetheringManager = mContext.getSystemService(TetheringManager.class);
         tetheringManager.registerTetheringEventCallback(
-                new HandlerExecutor(mHandler), mTetherListener);
+                (command) -> mHandler.post(command), mTetherListener);
 
         // listen for periodic polling events
         final IntentFilter pollFilter = new IntentFilter(ACTION_NETWORK_STATS_POLL);
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothEventManager.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothEventManager.java
index 2c862e685..389892e 100644
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothEventManager.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothEventManager.java
@@ -170,18 +170,6 @@
     }
 
     @VisibleForTesting
-    void registerIntentReceiver() {
-        mContext.registerReceiverAsUser(mBroadcastReceiver, mUserHandle, mAdapterIntentFilter,
-                null, mReceiverHandler);
-    }
-
-    @VisibleForTesting
-    void registerProfileIntentReceiverForTest() {
-        mContext.registerReceiverAsUser(mProfileBroadcastReceiver, mUserHandle,
-                mProfileIntentFilter, null, mReceiverHandler);
-    }
-
-    @VisibleForTesting
     void addProfileHandler(String action, Handler handler) {
         mHandlerMap.put(action, handler);
         mProfileIntentFilter.addAction(action);
diff --git a/packages/SettingsLib/src/com/android/settingslib/dream/DreamBackend.java b/packages/SettingsLib/src/com/android/settingslib/dream/DreamBackend.java
index 3c444f2..7168f3c 100644
--- a/packages/SettingsLib/src/com/android/settingslib/dream/DreamBackend.java
+++ b/packages/SettingsLib/src/com/android/settingslib/dream/DreamBackend.java
@@ -402,7 +402,10 @@
         if (dreamInfo == null || dreamInfo.settingsComponentName == null) {
             return;
         }
-        uiContext.startActivity(new Intent().setComponent(dreamInfo.settingsComponentName));
+        final Intent intent = new Intent()
+                .setComponent(dreamInfo.settingsComponentName)
+                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        uiContext.startActivity(intent);
     }
 
     public void preview(DreamInfo dreamInfo) {
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/BluetoothEventManagerTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/BluetoothEventManagerTest.java
index bee466d..852ac5c 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/BluetoothEventManagerTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/BluetoothEventManagerTest.java
@@ -129,7 +129,6 @@
     @Test
     public void intentWithExtraState_audioStateChangedShouldDispatchToRegisterCallback() {
         mBluetoothEventManager.registerCallback(mBluetoothCallback);
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED);
 
         mContext.sendBroadcast(mIntent);
@@ -143,7 +142,6 @@
     @Test
     public void intentWithExtraState_phoneStateChangedShouldDispatchToRegisterCallback() {
         mBluetoothEventManager.registerCallback(mBluetoothCallback);
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(TelephonyManager.ACTION_PHONE_STATE_CHANGED);
 
         mContext.sendBroadcast(mIntent);
@@ -169,7 +167,6 @@
     @Test
     public void dispatchAclConnectionStateChanged_aclDisconnected_shouldDispatchCallback() {
         mBluetoothEventManager.registerCallback(mBluetoothCallback);
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(BluetoothDevice.ACTION_ACL_DISCONNECTED);
         mIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mBluetoothDevice);
 
@@ -182,7 +179,6 @@
     @Test
     public void dispatchAclConnectionStateChanged_aclConnected_shouldDispatchCallback() {
         mBluetoothEventManager.registerCallback(mBluetoothCallback);
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(BluetoothDevice.ACTION_ACL_CONNECTED);
         mIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mBluetoothDevice);
 
@@ -196,7 +192,6 @@
     public void dispatchAclConnectionStateChanged_aclDisconnected_shouldNotCallbackSubDevice() {
         when(mCachedDeviceManager.isSubDevice(mBluetoothDevice)).thenReturn(true);
         mBluetoothEventManager.registerCallback(mBluetoothCallback);
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(BluetoothDevice.ACTION_ACL_DISCONNECTED);
         mIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mBluetoothDevice);
 
@@ -210,7 +205,6 @@
     public void dispatchAclConnectionStateChanged_aclConnected_shouldNotCallbackSubDevice() {
         when(mCachedDeviceManager.isSubDevice(mBluetoothDevice)).thenReturn(true);
         mBluetoothEventManager.registerCallback(mBluetoothCallback);
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(BluetoothDevice.ACTION_ACL_CONNECTED);
         mIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mBluetoothDevice);
 
@@ -224,7 +218,6 @@
     public void dispatchAclConnectionStateChanged_findDeviceReturnNull_shouldNotDispatchCallback() {
         when(mCachedDeviceManager.findDevice(mBluetoothDevice)).thenReturn(null);
         mBluetoothEventManager.registerCallback(mBluetoothCallback);
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(BluetoothDevice.ACTION_ACL_CONNECTED);
         mIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mBluetoothDevice);
 
@@ -361,7 +354,6 @@
 
     @Test
     public void showUnbondMessage_reasonAuthTimeout_showCorrectedErrorCode() {
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
         mIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mBluetoothDevice);
         mIntent.putExtra(BluetoothDevice.EXTRA_BOND_STATE, BluetoothDevice.BOND_NONE);
@@ -377,7 +369,6 @@
 
     @Test
     public void showUnbondMessage_reasonRemoteDeviceDown_showCorrectedErrorCode() {
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
         mIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mBluetoothDevice);
         mIntent.putExtra(BluetoothDevice.EXTRA_BOND_STATE, BluetoothDevice.BOND_NONE);
@@ -394,7 +385,6 @@
 
     @Test
     public void showUnbondMessage_reasonAuthRejected_showCorrectedErrorCode() {
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
         mIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mBluetoothDevice);
         mIntent.putExtra(BluetoothDevice.EXTRA_BOND_STATE, BluetoothDevice.BOND_NONE);
@@ -410,7 +400,6 @@
 
     @Test
     public void showUnbondMessage_reasonAuthFailed_showCorrectedErrorCode() {
-        mBluetoothEventManager.registerIntentReceiver();
         mIntent = new Intent(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
         mIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, mBluetoothDevice);
         mIntent.putExtra(BluetoothDevice.EXTRA_BOND_STATE, BluetoothDevice.BOND_NONE);
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/LocalBluetoothProfileManagerTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/LocalBluetoothProfileManagerTest.java
index 09540d1..4f8fa2f 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/LocalBluetoothProfileManagerTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/LocalBluetoothProfileManagerTest.java
@@ -40,7 +40,6 @@
 import com.android.settingslib.testutils.shadow.ShadowBluetoothAdapter;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -85,7 +84,6 @@
         when(mCachedBluetoothDevice.getDevice()).thenReturn(mDevice);
         mProfileManager = new LocalBluetoothProfileManager(mContext, mLocalBluetoothAdapter,
                 mDeviceManager, mEventManager);
-        mEventManager.registerProfileIntentReceiverForTest();
     }
 
     /**
@@ -152,7 +150,6 @@
      * profile connection state changed callback
      */
     @Test
-    @Ignore
     public void stateChangedHandler_receiveA2dpConnectionStateChanged_shouldDispatchCallback() {
         mShadowBluetoothAdapter.setSupportedProfiles(generateList(
                 new int[] {BluetoothProfile.A2DP}));
@@ -174,7 +171,6 @@
      * profile connection state changed callback
      */
     @Test
-    @Ignore
     public void stateChangedHandler_receiveHeadsetConnectionStateChanged_shouldDispatchCallback() {
         mShadowBluetoothAdapter.setSupportedProfiles(generateList(
                 new int[] {BluetoothProfile.HEADSET}));
@@ -196,7 +192,6 @@
      * CachedBluetoothDeviceManager method
      */
     @Test
-    @Ignore
     public void stateChangedHandler_receiveHAPConnectionStateChanged_shouldDispatchDeviceManager() {
         mShadowBluetoothAdapter.setSupportedProfiles(generateList(
                 new int[] {BluetoothProfile.HEARING_AID}));
@@ -219,7 +214,6 @@
      * profile connection state changed callback
      */
     @Test
-    @Ignore
     public void stateChangedHandler_receivePanConnectionStateChanged_shouldNotDispatchCallback() {
         mShadowBluetoothAdapter.setSupportedProfiles(generateList(
                 new int[] {BluetoothProfile.PAN}));
@@ -261,7 +255,6 @@
      * handler and refresh CachedBluetoothDevice
      */
     @Test
-    @Ignore
     public void stateChangedHandler_receivePanConnectionStateChangedWithProfile_shouldRefresh() {
         mShadowBluetoothAdapter.setSupportedProfiles(generateList(
                 new int[] {BluetoothProfile.PAN}));
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/AccessPointPreferenceTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/AccessPointPreferenceTest.java
index a31f24a..30267f7 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/AccessPointPreferenceTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/AccessPointPreferenceTest.java
@@ -19,14 +19,17 @@
 
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
 import android.graphics.drawable.ColorDrawable;
+import android.net.wifi.WifiManager;
+
+import androidx.test.core.app.ApplicationProvider;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -37,7 +40,7 @@
 @RunWith(RobolectricTestRunner.class)
 public class AccessPointPreferenceTest {
 
-    private Context mContext = RuntimeEnvironment.application;
+    private Context mContext;
 
     @Mock
     private AccessPoint mockAccessPoint;
@@ -54,12 +57,13 @@
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        when(mContext.getSystemService(Context.WIFI_SERVICE)).thenReturn(mock(WifiManager.class));
 
         when(mockIconInjector.getIcon(anyInt())).thenReturn(new ColorDrawable());
     }
 
     @Test
-    @Ignore
     public void refresh_openNetwork_updateContentDescription() {
         final String ssid = "ssid";
         final String summary = "connected";
@@ -90,7 +94,6 @@
     }
 
     @Test
-    @Ignore
     public void refresh_setTitle_shouldUseSsidString() {
         final String ssid = "ssid";
         final String summary = "connected";
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/WifiUtilsTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/WifiUtilsTest.java
index 5d7f8ba..e7b3fe9 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/WifiUtilsTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/WifiUtilsTest.java
@@ -20,6 +20,7 @@
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -32,6 +33,7 @@
 import android.net.WifiKey;
 import android.net.wifi.ScanResult;
 import android.net.wifi.WifiConfiguration;
+import android.net.wifi.WifiManager;
 import android.net.wifi.WifiNetworkScoreCache;
 import android.os.Bundle;
 import android.os.Parcelable;
@@ -44,7 +46,6 @@
 import com.android.settingslib.R;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -75,10 +76,10 @@
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         mContext = spy(ApplicationProvider.getApplicationContext());
+        when(mContext.getSystemService(Context.WIFI_SERVICE)).thenReturn(mock(WifiManager.class));
     }
 
     @Test
-    @Ignore
     public void testVerboseSummaryString_showsScanResultSpeedLabel() {
         WifiTracker.sVerboseLogging = true;
 
diff --git a/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java b/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
index f20057d..5f549fd 100644
--- a/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
+++ b/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
@@ -325,6 +325,7 @@
             return true;
         });
         VALIDATORS.put(Secure.ODI_CAPTIONS_VOLUME_UI_ENABLED, BOOLEAN_VALIDATOR);
+        VALIDATORS.put(Secure.FAST_PAIR_SCAN_ENABLED, BOOLEAN_VALIDATOR);
 
     }
 }
diff --git a/packages/SystemUI/OWNERS b/packages/SystemUI/OWNERS
index e1da744..3ae85e7 100644
--- a/packages/SystemUI/OWNERS
+++ b/packages/SystemUI/OWNERS
@@ -11,8 +11,10 @@
 awickham@google.com
 beverlyt@google.com
 brockman@google.com
+brzezinski@google.com
 brycelee@google.com
 ccassidy@google.com
+chrisgollner@google.com
 cinek@google.com
 cwren@google.com
 dupin@google.com
@@ -43,6 +45,8 @@
 mrcasey@google.com
 mrenouf@google.com
 nesciosquid@google.com
+nickchameyev@google.com
+nicomazz@google.com
 ogunwale@google.com
 peanutbutter@google.com
 pinyaoting@google.com
diff --git a/packages/SystemUI/res-keyguard/layout/footer_actions.xml b/packages/SystemUI/res-keyguard/layout/footer_actions.xml
index dfc3e63..ecb3cb3 100644
--- a/packages/SystemUI/res-keyguard/layout/footer_actions.xml
+++ b/packages/SystemUI/res-keyguard/layout/footer_actions.xml
@@ -22,21 +22,6 @@
     android:layout_height="48dp"
     android:gravity="center_vertical">
 
-    <com.android.systemui.statusbar.AlphaOptimizedImageView
-        android:id="@android:id/edit"
-        android:layout_width="0dp"
-        android:layout_height="@dimen/qs_footer_action_button_size"
-        android:layout_marginEnd="@dimen/qs_tile_margin_horizontal"
-        android:layout_weight="1"
-        android:background="@drawable/qs_footer_action_chip_background"
-        android:clickable="true"
-        android:clipToPadding="false"
-        android:contentDescription="@string/accessibility_quick_settings_edit"
-        android:focusable="true"
-        android:padding="@dimen/qs_footer_icon_padding"
-        android:src="@*android:drawable/ic_mode_edit"
-        android:tint="?android:attr/textColorPrimary" />
-
     <com.android.systemui.statusbar.phone.MultiUserSwitch
         android:id="@+id/multi_user_switch"
         android:layout_width="0dp"
diff --git a/packages/SystemUI/res/drawable/qs_customizer_background_transition.xml b/packages/SystemUI/res/drawable/qs_customizer_background_transition.xml
index ed8f61a..6fa9eac 100644
--- a/packages/SystemUI/res/drawable/qs_customizer_background_transition.xml
+++ b/packages/SystemUI/res/drawable/qs_customizer_background_transition.xml
@@ -15,7 +15,7 @@
 -->
 <inset xmlns:android="http://schemas.android.com/apk/res/android">
     <shape>
-        <solid android:color="@color/qs_detail_transition"/>
+        <solid android:color="@android:color/transparent"/>
         <corners android:radius="?android:attr/dialogCornerRadius" />
     </shape>
 </inset>
diff --git a/packages/SystemUI/res/drawable/qs_detail_background.xml b/packages/SystemUI/res/drawable/qs_detail_background.xml
index e5c7352..c23649d 100644
--- a/packages/SystemUI/res/drawable/qs_detail_background.xml
+++ b/packages/SystemUI/res/drawable/qs_detail_background.xml
@@ -17,7 +17,7 @@
     <item>
         <inset>
             <shape>
-                <solid android:color="@color/qs_detail_transition"/>
+                <solid android:color="@android:color/transparent"/>
                 <corners android:radius="@dimen/qs_footer_action_corner_radius" />
             </shape>
         </inset>
diff --git a/packages/SystemUI/res/layout/qs_footer_impl.xml b/packages/SystemUI/res/layout/qs_footer_impl.xml
index e70084b..5cd9e94 100644
--- a/packages/SystemUI/res/layout/qs_footer_impl.xml
+++ b/packages/SystemUI/res/layout/qs_footer_impl.xml
@@ -43,7 +43,6 @@
                 android:id="@+id/build"
                 android:layout_width="0dp"
                 android:layout_height="match_parent"
-                android:paddingStart="@dimen/qs_tile_margin_horizontal"
                 android:paddingEnd="4dp"
                 android:layout_weight="1"
                 android:clickable="true"
@@ -61,10 +60,23 @@
                 android:layout_gravity="center_vertical"
                 android:visibility="gone" />
 
-            <View
+            <FrameLayout
                 android:layout_width="0dp"
                 android:layout_height="match_parent"
-                android:layout_weight="1" />
+                android:layout_weight="1">
+                <com.android.systemui.statusbar.AlphaOptimizedImageView
+                    android:id="@android:id/edit"
+                    android:layout_width="@dimen/qs_footer_action_button_size"
+                    android:layout_height="@dimen/qs_footer_action_button_size"
+                    android:layout_gravity="center_vertical|end"
+                    android:background="?android:attr/selectableItemBackground"
+                    android:clickable="true"
+                    android:contentDescription="@string/accessibility_quick_settings_edit"
+                    android:focusable="true"
+                    android:padding="@dimen/qs_footer_icon_padding"
+                    android:src="@*android:drawable/ic_mode_edit"
+                    android:tint="?android:attr/textColorPrimary" />
+            </FrameLayout>
 
         </LinearLayout>
 
diff --git a/packages/SystemUI/res/values/colors.xml b/packages/SystemUI/res/values/colors.xml
index fc28f09..461a598 100644
--- a/packages/SystemUI/res/values/colors.xml
+++ b/packages/SystemUI/res/values/colors.xml
@@ -23,7 +23,6 @@
     <color name="system_bar_background_transparent">#00000000</color>
     <color name="qs_tile_divider">#29ffffff</color><!-- 16% white -->
     <color name="qs_detail_button_white">#B3FFFFFF</color><!-- 70% white -->
-    <color name="qs_detail_transition">#66FFFFFF</color>
     <color name="status_bar_clock_color">#FFFFFFFF</color>
     <color name="qs_tile_disabled_color">#9E9E9E</color> <!-- 38% black -->
 
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java b/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java
index 9e350ee..4f4bd1e 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java
@@ -36,6 +36,7 @@
 import android.os.RemoteException;
 import android.os.SystemClock;
 import android.os.SystemProperties;
+import android.os.Trace;
 import android.provider.DeviceConfig;
 import android.util.DisplayMetrics;
 import android.util.Log;
@@ -578,7 +579,9 @@
             mMLModelThreshold = DeviceConfig.getFloat(DeviceConfig.NAMESPACE_SYSTEMUI,
                     SystemUiDeviceConfigFlags.BACK_GESTURE_ML_MODEL_THRESHOLD, 0.9f);
             if (mBackGestureTfClassifierProvider.isActive()) {
+                Trace.beginSection("EdgeBackGestureHandler#loadVocab");
                 mVocab = mBackGestureTfClassifierProvider.loadVocab(mContext.getAssets());
+                Trace.endSection();
                 mUseMLModel = true;
                 return;
             }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/FooterActionsController.kt b/packages/SystemUI/src/com/android/systemui/qs/FooterActionsController.kt
index e10e4d8..7ac9205 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/FooterActionsController.kt
+++ b/packages/SystemUI/src/com/android/systemui/qs/FooterActionsController.kt
@@ -56,7 +56,6 @@
  */
 class FooterActionsController @Inject constructor(
     view: FooterActionsView,
-    private val qsPanelController: QSPanelController,
     private val activityStarter: ActivityStarter,
     private val userManager: UserManager,
     private val userTracker: UserTracker,
@@ -82,7 +81,6 @@
 
     private val settingsButton: SettingsButton = view.findViewById(R.id.settings_button)
     private val settingsButtonContainer: View? = view.findViewById(R.id.settings_button_container)
-    private val editButton: View = view.findViewById(android.R.id.edit)
     private val powerMenuLite: View = view.findViewById(R.id.pm_lite)
 
     private val onUserInfoChangedListener = OnUserInfoChangedListener { _, picture, _ ->
@@ -176,13 +174,6 @@
             powerMenuLite.visibility = View.GONE
         }
         settingsButton.setOnClickListener(onClickListener)
-        editButton.setOnClickListener(View.OnClickListener { view: View? ->
-            if (falsingManager.isFalseTap(FalsingManager.LOW_PENALTY)) {
-                return@OnClickListener
-            }
-            activityStarter.postQSRunnableDismissingKeyguard { qsPanelController.showEdit(view) }
-        })
-
         updateView()
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/FooterActionsControllerBuilder.kt b/packages/SystemUI/src/com/android/systemui/qs/FooterActionsControllerBuilder.kt
index dd4dc87..7694be5 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/FooterActionsControllerBuilder.kt
+++ b/packages/SystemUI/src/com/android/systemui/qs/FooterActionsControllerBuilder.kt
@@ -36,7 +36,6 @@
 import javax.inject.Named
 
 class FooterActionsControllerBuilder @Inject constructor(
-    private val qsPanelController: QSPanelController,
     private val activityStarter: ActivityStarter,
     private val userManager: UserManager,
     private val userTracker: UserTracker,
@@ -66,7 +65,7 @@
     }
 
     fun build(): FooterActionsController {
-        return FooterActionsController(view, qsPanelController, activityStarter, userManager,
+        return FooterActionsController(view, activityStarter, userManager,
                 userTracker, userInfoController, multiUserSwitchControllerFactory.create(view),
                 deviceProvisionedController, falsingManager, metricsLogger, tunerService,
                 globalActionsDialog, uiEventLogger, showPMLiteButton, buttonsVisibleState,
diff --git a/packages/SystemUI/src/com/android/systemui/qs/FooterActionsView.kt b/packages/SystemUI/src/com/android/systemui/qs/FooterActionsView.kt
index f81f7bf..e6fa2ae 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/FooterActionsView.kt
+++ b/packages/SystemUI/src/com/android/systemui/qs/FooterActionsView.kt
@@ -43,7 +43,6 @@
     private lateinit var multiUserSwitch: MultiUserSwitch
     private lateinit var multiUserAvatar: ImageView
     private lateinit var tunerIcon: View
-    private lateinit var editTilesButton: View
 
     private var settingsCogAnimator: TouchAnimator? = null
 
@@ -52,7 +51,6 @@
 
     override fun onFinishInflate() {
         super.onFinishInflate()
-        editTilesButton = requireViewById(android.R.id.edit)
         settingsButton = findViewById(R.id.settings_button)
         settingsContainer = findViewById(R.id.settings_button_container)
         multiUserSwitch = findViewById(R.id.multi_user_switch)
@@ -130,7 +128,6 @@
 
     private fun updateClickabilities() {
         multiUserSwitch.isClickable = multiUserSwitch.visibility == VISIBLE
-        editTilesButton.isClickable = editTilesButton.visibility == VISIBLE
         settingsButton.isClickable = settingsButton.visibility == VISIBLE
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSFooterView.java b/packages/SystemUI/src/com/android/systemui/qs/QSFooterView.java
index 066a286..4622660 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSFooterView.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSFooterView.java
@@ -47,6 +47,7 @@
     private PageIndicator mPageIndicator;
     private TextView mBuildText;
     private View mActionsContainer;
+    private View mEditButton;
 
     @Nullable
     protected TouchAnimator mFooterAnimator;
@@ -79,6 +80,7 @@
         mPageIndicator = findViewById(R.id.footer_page_indicator);
         mActionsContainer = requireViewById(R.id.qs_footer_actions);
         mBuildText = findViewById(R.id.build);
+        mEditButton = findViewById(android.R.id.edit);
 
         updateResources();
         setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES);
@@ -130,6 +132,7 @@
                 .addFloat(mActionsContainer, "alpha", 0, 1)
                 .addFloat(mPageIndicator, "alpha", 0, 1)
                 .addFloat(mBuildText, "alpha", 0, 1)
+                .addFloat(mEditButton, "alpha", 0, 1)
                 .setStartDelay(0.9f);
         return builder.build();
     }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSFooterViewController.java b/packages/SystemUI/src/com/android/systemui/qs/QSFooterViewController.java
index e7c06e3..5327b7e 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSFooterViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSFooterViewController.java
@@ -26,6 +26,8 @@
 import android.widget.Toast;
 
 import com.android.systemui.R;
+import com.android.systemui.plugins.ActivityStarter;
+import com.android.systemui.plugins.FalsingManager;
 import com.android.systemui.qs.dagger.QSScope;
 import com.android.systemui.settings.UserTracker;
 import com.android.systemui.util.ViewController;
@@ -45,10 +47,15 @@
     private final FooterActionsController mFooterActionsController;
     private final TextView mBuildText;
     private final PageIndicator mPageIndicator;
+    private final View mEditButton;
+    private final FalsingManager mFalsingManager;
+    private final ActivityStarter mActivityStarter;
 
     @Inject
     QSFooterViewController(QSFooterView view,
             UserTracker userTracker,
+            FalsingManager falsingManager,
+            ActivityStarter activityStarter,
             QSPanelController qsPanelController,
             QuickQSPanelController quickQSPanelController,
             @Named(QS_FOOTER) FooterActionsController footerActionsController) {
@@ -57,9 +64,12 @@
         mQsPanelController = qsPanelController;
         mQuickQSPanelController = quickQSPanelController;
         mFooterActionsController = footerActionsController;
+        mFalsingManager = falsingManager;
+        mActivityStarter = activityStarter;
 
         mBuildText = mView.findViewById(R.id.build);
         mPageIndicator = mView.findViewById(R.id.footer_page_indicator);
+        mEditButton = mView.findViewById(android.R.id.edit);
     }
 
     @Override
@@ -91,6 +101,14 @@
             }
             return false;
         });
+
+        mEditButton.setOnClickListener(view -> {
+            if (mFalsingManager.isFalseTap(FalsingManager.LOW_PENALTY)) {
+                return;
+            }
+            mActivityStarter
+                    .postQSRunnableDismissingKeyguard(() -> mQsPanelController.showEdit(view));
+        });
         mQsPanelController.setFooterPageIndicator(mPageIndicator);
         mView.updateEverything();
     }
@@ -103,6 +121,7 @@
     @Override
     public void setVisibility(int visibility) {
         mView.setVisibility(visibility);
+        mEditButton.setClickable(visibility == View.VISIBLE);
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/ConversationNotifications.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/ConversationNotifications.kt
index 3449bd8..5aeab84 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/ConversationNotifications.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/ConversationNotifications.kt
@@ -23,7 +23,6 @@
 import android.os.Handler
 import android.service.notification.NotificationListenerService.Ranking
 import android.service.notification.NotificationListenerService.RankingMap
-import com.android.internal.statusbar.NotificationVisibility
 import com.android.internal.widget.ConversationLayout
 import com.android.internal.widget.MessagingImageMessage
 import com.android.internal.widget.MessagingLayout
@@ -31,6 +30,7 @@
 import com.android.systemui.dagger.qualifiers.Main
 import com.android.systemui.plugins.statusbar.StatusBarStateController
 import com.android.systemui.statusbar.notification.collection.NotificationEntry
+import com.android.systemui.statusbar.notification.collection.inflation.BindEventManager
 import com.android.systemui.statusbar.notification.collection.legacy.NotificationGroupManagerLegacy
 import com.android.systemui.statusbar.notification.collection.notifcollection.CommonNotifCollection
 import com.android.systemui.statusbar.notification.collection.notifcollection.NotifCollectionListener
@@ -72,7 +72,8 @@
  */
 @SysUISingleton
 class AnimatedImageNotificationManager @Inject constructor(
-    private val notificationEntryManager: NotificationEntryManager,
+    private val notifCollection: CommonNotifCollection,
+    private val bindEventManager: BindEventManager,
     private val headsUpManager: HeadsUpManager,
     private val statusBarStateController: StatusBarStateController
 ) {
@@ -83,33 +84,23 @@
     fun bind() {
         headsUpManager.addListener(object : OnHeadsUpChangedListener {
             override fun onHeadsUpStateChanged(entry: NotificationEntry, isHeadsUp: Boolean) {
-                entry.row?.let { row ->
-                    updateAnimatedImageDrawables(row, animating = isHeadsUp || isStatusBarExpanded)
-                }
+                updateAnimatedImageDrawables(entry)
             }
         })
         statusBarStateController.addCallback(object : StatusBarStateController.StateListener {
             override fun onExpandedChanged(isExpanded: Boolean) {
                 isStatusBarExpanded = isExpanded
-                notificationEntryManager.activeNotificationsForCurrentUser.forEach { entry ->
-                    entry.row?.let { row ->
-                        updateAnimatedImageDrawables(row, animating = isExpanded || row.isHeadsUp)
-                    }
-                }
+                notifCollection.allNotifs.forEach(::updateAnimatedImageDrawables)
             }
         })
-        notificationEntryManager.addNotificationEntryListener(object : NotificationEntryListener {
-            override fun onEntryInflated(entry: NotificationEntry) {
-                entry.row?.let { row ->
-                    updateAnimatedImageDrawables(
-                            row,
-                            animating = isStatusBarExpanded || row.isHeadsUp)
-                }
-            }
-            override fun onEntryReinflated(entry: NotificationEntry) = onEntryInflated(entry)
-        })
+        bindEventManager.addListener(::updateAnimatedImageDrawables)
     }
 
+    private fun updateAnimatedImageDrawables(entry: NotificationEntry) =
+        entry.row?.let { row ->
+            updateAnimatedImageDrawables(row, animating = row.isHeadsUp || isStatusBarExpanded)
+        }
+
     private fun updateAnimatedImageDrawables(row: ExpandableNotificationRow, animating: Boolean) =
             (row.layouts?.asSequence() ?: emptySequence())
                     .flatMap { layout -> layout.allViews.asSequence() }
@@ -138,7 +129,7 @@
  */
 @SysUISingleton
 class ConversationNotificationManager @Inject constructor(
-    private val notificationEntryManager: NotificationEntryManager,
+    private val bindEventManager: BindEventManager,
     private val notificationGroupManager: NotificationGroupManagerLegacy,
     private val context: Context,
     private val notifCollection: CommonNotifCollection,
@@ -151,35 +142,12 @@
 
     private var notifPanelCollapsed = true
 
-    private val entryManagerListener = object : NotificationEntryListener {
-        override fun onNotificationRankingUpdated(rankingMap: RankingMap) =
-                updateNotificationRanking(rankingMap)
-        override fun onEntryInflated(entry: NotificationEntry) =
-                onEntryViewBound(entry)
-        override fun onEntryReinflated(entry: NotificationEntry) = onEntryInflated(entry)
-        override fun onEntryRemoved(
-            entry: NotificationEntry,
-            visibility: NotificationVisibility?,
-            removedByUser: Boolean,
-            reason: Int
-        ) = removeTrackedEntry(entry)
-    }
-
-    private val notifCollectionListener = object : NotifCollectionListener {
-        override fun onRankingUpdate(ranking: RankingMap) =
-                updateNotificationRanking(ranking)
-
-        override fun onEntryRemoved(entry: NotificationEntry, reason: Int) {
-            removeTrackedEntry(entry)
-        }
-    }
-
     private fun updateNotificationRanking(rankingMap: RankingMap) {
         fun getLayouts(view: NotificationContentView) =
                 sequenceOf(view.contractedChild, view.expandedChild, view.headsUpChild)
         val ranking = Ranking()
         val activeConversationEntries = states.keys.asSequence()
-                .mapNotNull { notificationEntryManager.getActiveNotificationUnfiltered(it) }
+                .mapNotNull { notifCollection.getEntry(it) }
         for (entry in activeConversationEntries) {
             if (rankingMap.getRanking(entry.sbn.key, ranking) && ranking.isConversation) {
                 val important = ranking.channel.isImportantConversation
@@ -204,7 +172,7 @@
                                 layout.setIsImportantConversation(important, false)
                             }
                         }
-                if (changed) {
+                if (changed && !featureFlags.isNewPipelineEnabled()) {
                     notificationGroupManager.updateIsolation(entry)
                 }
             }
@@ -233,11 +201,14 @@
     }
 
     init {
-        if (featureFlags.isNewPipelineEnabled()) {
-            notifCollection.addCollectionListener(notifCollectionListener)
-        } else {
-            notificationEntryManager.addNotificationEntryListener(entryManagerListener)
-        }
+        notifCollection.addCollectionListener(object : NotifCollectionListener {
+            override fun onRankingUpdate(ranking: RankingMap) =
+                updateNotificationRanking(ranking)
+
+            override fun onEntryRemoved(entry: NotificationEntry, reason: Int) =
+                removeTrackedEntry(entry)
+        })
+        bindEventManager.addListener(::onEntryViewBound)
     }
 
     private fun ConversationState.shouldIncrementUnread(newBuilder: Notification.Builder) =
@@ -265,11 +236,10 @@
         val expanded = states
                 .asSequence()
                 .mapNotNull { (key, _) ->
-                    notificationEntryManager.getActiveNotificationUnfiltered(key)
-                            ?.let { entry ->
-                                if (entry.row?.isExpanded == true) key to entry
-                                else null
-                            }
+                    notifCollection.getEntry(key)?.let { entry ->
+                        if (entry.row?.isExpanded == true) key to entry
+                        else null
+                    }
                 }
                 .toMap()
         states.replaceAll { key, state ->
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinator.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinator.java
index 195f367..35fe0ee 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinator.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinator.java
@@ -31,13 +31,13 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.statusbar.IStatusBarService;
-import com.android.systemui.statusbar.notification.ConversationNotificationManager;
 import com.android.systemui.statusbar.notification.collection.GroupEntry;
 import com.android.systemui.statusbar.notification.collection.ListEntry;
 import com.android.systemui.statusbar.notification.collection.NotifPipeline;
 import com.android.systemui.statusbar.notification.collection.NotificationEntry;
 import com.android.systemui.statusbar.notification.collection.ShadeListBuilder;
 import com.android.systemui.statusbar.notification.collection.coordinator.dagger.CoordinatorScope;
+import com.android.systemui.statusbar.notification.collection.inflation.BindEventManagerImpl;
 import com.android.systemui.statusbar.notification.collection.inflation.NotifInflater;
 import com.android.systemui.statusbar.notification.collection.inflation.NotifUiAdjustment;
 import com.android.systemui.statusbar.notification.collection.inflation.NotifUiAdjustmentProvider;
@@ -99,7 +99,7 @@
 
     /** How long we can delay a group while waiting for all children to inflate */
     private final long mMaxGroupInflationDelay;
-    private final ConversationNotificationManager mConversationManager;
+    private final BindEventManagerImpl mBindEventManager;
 
     @Inject
     public PreparationCoordinator(
@@ -109,7 +109,7 @@
             NotifViewBarn viewBarn,
             NotifUiAdjustmentProvider adjustmentProvider,
             IStatusBarService service,
-            ConversationNotificationManager conversationManager) {
+            BindEventManagerImpl bindEventManager) {
         this(
                 logger,
                 notifInflater,
@@ -117,7 +117,7 @@
                 viewBarn,
                 adjustmentProvider,
                 service,
-                conversationManager,
+                bindEventManager,
                 CHILD_BIND_CUTOFF,
                 MAX_GROUP_INFLATION_DELAY);
     }
@@ -130,7 +130,7 @@
             NotifViewBarn viewBarn,
             NotifUiAdjustmentProvider adjustmentProvider,
             IStatusBarService service,
-            ConversationNotificationManager conversationManager,
+            BindEventManagerImpl bindEventManager,
             int childBindCutoff,
             long maxGroupInflationDelay) {
         mLogger = logger;
@@ -141,7 +141,7 @@
         mStatusBarService = service;
         mChildBindCutoff = childBindCutoff;
         mMaxGroupInflationDelay = maxGroupInflationDelay;
-        mConversationManager = conversationManager;
+        mBindEventManager = bindEventManager;
     }
 
     @Override
@@ -369,9 +369,7 @@
         mInflatingNotifs.remove(entry);
         mViewBarn.registerViewForEntry(entry, controller);
         mInflationStates.put(entry, STATE_INFLATED);
-        // NOTE: under the new pipeline there's no way to register for an inflation callback,
-        // so this one method is called by the PreparationCoordinator directly.
-        mConversationManager.onEntryViewBound(entry);
+        mBindEventManager.notifyViewBound(entry);
         mNotifInflatingFilter.invalidateList();
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/inflation/BindEventManager.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/inflation/BindEventManager.kt
new file mode 100644
index 0000000..51bdd00
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/inflation/BindEventManager.kt
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.notification.collection.inflation
+
+import com.android.systemui.statusbar.notification.collection.NotificationEntry
+import com.android.systemui.util.ListenerSet
+
+/**
+ * Helper class that allows distributing bind events regardless of the pipeline.
+ *
+ * NOTE: This class isn't ideal; this exposes the concept of view inflation as something that can be
+ * globally registered for. This is built as it is to provide compatibility with patterns developed
+ * for the legacy pipeline. Ideally we'd have functionality that needs to know this information be
+ * handled by events that go through the ViewController itself.
+ */
+open class BindEventManager {
+    protected val listeners = ListenerSet<Listener>()
+
+    /** Register a listener */
+    fun addListener(listener: Listener) =
+        listeners.addIfAbsent(listener)
+
+    /** Deregister a listener */
+    fun removeListener(listener: Listener) =
+        listeners.remove(listener)
+
+    /** Listener interface for view bind events */
+    fun interface Listener {
+        fun onViewBound(entry: NotificationEntry)
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/inflation/BindEventManagerImpl.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/inflation/BindEventManagerImpl.kt
new file mode 100644
index 0000000..9d5b859
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/inflation/BindEventManagerImpl.kt
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.notification.collection.inflation
+
+import com.android.systemui.dagger.SysUISingleton
+import com.android.systemui.statusbar.notification.NotificationEntryListener
+import com.android.systemui.statusbar.notification.NotificationEntryManager
+import com.android.systemui.statusbar.notification.collection.NotificationEntry
+import com.android.systemui.statusbar.notification.collection.inflation.BindEventManager.Listener
+import javax.inject.Inject
+
+/**
+ * Helper class that allows distributing bind events regardless of the pipeline.
+ */
+@SysUISingleton
+class BindEventManagerImpl @Inject constructor() : BindEventManager() {
+    /** Emit the [Listener.onViewBound] event to all registered listeners. */
+    fun notifyViewBound(entry: NotificationEntry) =
+        listeners.forEach { listener -> listener.onViewBound(entry) }
+
+    /** Initialize this for the legacy pipeline. */
+    fun attachToLegacyPipeline(notificationEntryManager: NotificationEntryManager) {
+        notificationEntryManager.addNotificationEntryListener(object : NotificationEntryListener {
+            override fun onEntryInflated(entry: NotificationEntry) = notifyViewBound(entry)
+            override fun onEntryReinflated(entry: NotificationEntry) = notifyViewBound(entry)
+        })
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/dagger/NotificationsModule.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/dagger/NotificationsModule.java
index f1cba34..05c40b2 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/dagger/NotificationsModule.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/dagger/NotificationsModule.java
@@ -50,6 +50,8 @@
 import com.android.systemui.statusbar.notification.collection.coordinator.ShadeEventCoordinator;
 import com.android.systemui.statusbar.notification.collection.coordinator.VisualStabilityCoordinator;
 import com.android.systemui.statusbar.notification.collection.coordinator.dagger.CoordinatorsModule;
+import com.android.systemui.statusbar.notification.collection.inflation.BindEventManager;
+import com.android.systemui.statusbar.notification.collection.inflation.BindEventManagerImpl;
 import com.android.systemui.statusbar.notification.collection.inflation.NotifInflater;
 import com.android.systemui.statusbar.notification.collection.inflation.NotificationRowBinder;
 import com.android.systemui.statusbar.notification.collection.inflation.OnUserInteractionCallbackImpl;
@@ -358,5 +360,9 @@
 
     /** */
     @Binds
+    BindEventManager bindBindEventManagerImpl(BindEventManagerImpl bindEventManagerImpl);
+
+    /** */
+    @Binds
     NotifLiveDataStore bindNotifLiveDataStore(NotifLiveDataStoreImpl notifLiveDataStoreImpl);
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt
index 38f3c39..48f2daf 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt
@@ -32,6 +32,7 @@
 import com.android.systemui.statusbar.notification.collection.NotifPipeline
 import com.android.systemui.statusbar.notification.collection.NotificationRankingManager
 import com.android.systemui.statusbar.notification.collection.TargetSdkResolver
+import com.android.systemui.statusbar.notification.collection.inflation.BindEventManagerImpl
 import com.android.systemui.statusbar.notification.collection.inflation.NotificationRowBinderImpl
 import com.android.systemui.statusbar.notification.collection.init.NotifPipelineInitializer
 import com.android.systemui.statusbar.notification.collection.legacy.NotificationGroupManagerLegacy
@@ -76,6 +77,7 @@
     private val notifBindPipelineInitializer: NotifBindPipelineInitializer,
     private val deviceProvisionedController: DeviceProvisionedController,
     private val notificationRowBinder: NotificationRowBinderImpl,
+    private val bindEventManagerImpl: BindEventManagerImpl,
     private val remoteInputUriController: RemoteInputUriController,
     private val groupManagerLegacy: Lazy<NotificationGroupManagerLegacy>,
     private val groupAlertTransferHelper: NotificationGroupAlertTransferHelper,
@@ -131,6 +133,7 @@
             targetSdkResolver.initialize(entryManager)
             remoteInputUriController.attach(entryManager)
             groupAlertTransferHelper.bind(entryManager, groupManagerLegacy.get())
+            bindEventManagerImpl.attachToLegacyPipeline(entryManager)
             headsUpManager.addListener(groupManagerLegacy.get())
             headsUpManager.addListener(groupAlertTransferHelper)
             headsUpController.attach(entryManager, headsUpManager)
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java
index 624e741..6eff799 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java
@@ -552,14 +552,8 @@
         final ViewGroup transientContainer = getTransientContainer();
         if (parent == null || parent == newParent) {
             // If this view's current parent is null or the same as the new parent, the add will
-            // succeed, so just make sure the tracked transient container is in sync with the
-            // current parent.
-            if (transientContainer != null && transientContainer != parent) {
-                Log.w(TAG, "Expandable view " + this
-                        + " has transient container " + transientContainer
-                        + " but different parent" + parent);
-                setTransientContainer(null);
-            }
+            // succeed as long as it's a true child, so just make sure the view isn't transient.
+            removeFromTransientContainer();
             return;
         }
         if (transientContainer == null) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimState.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimState.java
index 8afa637..d2e1650 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimState.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimState.java
@@ -153,7 +153,7 @@
         // to make sure correct color is returned before "prepare" is called
         @Override
         public int getBehindTint() {
-            return Color.BLACK;
+            return DEBUG_MODE ? DEBUG_BEHIND_TINT : Color.BLACK;
         }
     },
 
@@ -264,6 +264,12 @@
         }
     };
 
+    private static final boolean DEBUG_MODE = false;
+
+    private static final int DEBUG_NOTIFICATIONS_TINT = Color.RED;
+    private static final int DEBUG_FRONT_TINT = Color.GREEN;
+    private static final int DEBUG_BEHIND_TINT = Color.BLUE;
+
     boolean mBlankScreen = false;
     long mAnimationDuration = ScrimController.ANIMATION_DURATION;
     int mFrontTint = Color.TRANSPARENT;
@@ -323,15 +329,15 @@
     }
 
     public int getFrontTint() {
-        return mFrontTint;
+        return DEBUG_MODE ? DEBUG_FRONT_TINT : mFrontTint;
     }
 
     public int getBehindTint() {
-        return mBehindTint;
+        return DEBUG_MODE ? DEBUG_BEHIND_TINT : mBehindTint;
     }
 
     public int getNotifTint() {
-        return mNotifTint;
+        return DEBUG_MODE ? DEBUG_NOTIFICATIONS_TINT : mNotifTint;
     }
 
     public long getAnimationDuration() {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/accessibility/WindowMagnificationControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/accessibility/WindowMagnificationControllerTest.java
index dcb7307..1dd5e22 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/accessibility/WindowMagnificationControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/accessibility/WindowMagnificationControllerTest.java
@@ -34,7 +34,6 @@
 import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.atLeast;
 import static org.mockito.Mockito.atLeastOnce;
@@ -44,6 +43,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.animation.ValueAnimator;
 import android.app.Instrumentation;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
@@ -55,6 +55,7 @@
 import android.os.Handler;
 import android.os.SystemClock;
 import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper;
 import android.testing.TestableResources;
 import android.text.TextUtils;
 import android.view.Display;
@@ -74,6 +75,7 @@
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.model.SysUiState;
 import com.android.systemui.util.leak.ReferenceTestUtils;
+import com.android.systemui.utils.os.FakeHandler;
 
 import org.junit.After;
 import org.junit.Before;
@@ -88,13 +90,12 @@
 import java.util.List;
 
 @LargeTest
+@TestableLooper.RunWithLooper
 @RunWith(AndroidTestingRunner.class)
 public class WindowMagnificationControllerTest extends SysuiTestCase {
 
     private static final int LAYOUT_CHANGE_TIMEOUT_MS = 5000;
     @Mock
-    private Handler mHandler;
-    @Mock
     private SfVsyncFrameCallbackProvider mSfVsyncFrameProvider;
     @Mock
     private MirrorWindowControl mMirrorWindowControl;
@@ -102,17 +103,21 @@
     private WindowMagnifierCallback mWindowMagnifierCallback;
     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     private SurfaceControl.Transaction mTransaction = new SurfaceControl.Transaction();
+
+    private Handler mHandler;
     private TestableWindowManager mWindowManager;
     private SysUiState mSysUiState = new SysUiState();
     private Resources mResources;
     private WindowMagnificationAnimationController mWindowMagnificationAnimationController;
     private WindowMagnificationController mWindowMagnificationController;
     private Instrumentation mInstrumentation;
+    private final ValueAnimator mValueAnimator = ValueAnimator.ofFloat(0, 1.0f).setDuration(0);
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         mContext = Mockito.spy(getContext());
+        mHandler = new FakeHandler(TestableLooper.get(this).getLooper());
         mInstrumentation = InstrumentationRegistry.getInstrumentation();
         final WindowManager wm = mContext.getSystemService(WindowManager.class);
         mWindowManager = spy(new TestableWindowManager(wm));
@@ -124,17 +129,11 @@
             return null;
         }).when(mSfVsyncFrameProvider).postFrameCallback(
                 any(FrameCallback.class));
-        doAnswer(invocation -> {
-            final Runnable runnable = invocation.getArgument(0);
-            runnable.run();
-            return null;
-        }).when(mHandler).post(
-                any(Runnable.class));
         mSysUiState.addCallback(Mockito.mock(SysUiState.SysUiStateCallback.class));
 
         mResources = getContext().getOrCreateTestableResources().getResources();
         mWindowMagnificationAnimationController = new WindowMagnificationAnimationController(
-                mContext);
+                mContext, mValueAnimator);
         mWindowMagnificationController = new WindowMagnificationController(mContext,
                 mHandler, mWindowMagnificationAnimationController, mSfVsyncFrameProvider,
                 mMirrorWindowControl, mTransaction, mWindowMagnifierCallback, mSysUiState);
@@ -147,6 +146,7 @@
     public void tearDown() {
         mInstrumentation.runOnMainSync(
                 () -> mWindowMagnificationController.deleteWindowMagnification());
+        mValueAnimator.cancel();
     }
 
     @Test
@@ -287,12 +287,6 @@
 
     @Test
     public void setScale_enabled_expectedValueAndUpdateStateDescription() {
-        doAnswer(invocation -> {
-            final Runnable runnable = invocation.getArgument(0);
-            runnable.run();
-            return null;
-        }).when(mHandler).postDelayed(any(Runnable.class), anyLong());
-
         mInstrumentation.runOnMainSync(
                 () -> mWindowMagnificationController.enableWindowMagnificationInternal(2.0f,
                         Float.NaN, Float.NaN));
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/FooterActionsControllerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/qs/FooterActionsControllerTest.kt
index 26f04fc..354bb51 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/FooterActionsControllerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/FooterActionsControllerTest.kt
@@ -54,8 +54,6 @@
     @Mock
     private lateinit var userInfoController: UserInfoController
     @Mock
-    private lateinit var qsPanelController: QSPanelController
-    @Mock
     private lateinit var multiUserSwitchController: MultiUserSwitchController
     @Mock
     private lateinit var globalActionsDialog: GlobalActionsDialogLite
@@ -81,7 +79,7 @@
         view = LayoutInflater.from(context)
                 .inflate(R.layout.footer_actions, null) as FooterActionsView
 
-        controller = FooterActionsController(view, qsPanelController, activityStarter,
+        controller = FooterActionsController(view, activityStarter,
                 userManager, userTracker, userInfoController, multiUserSwitchController,
                 deviceProvisionedController, falsingManager, metricsLogger, fakeTunerService,
                 globalActionsDialog, uiEventLogger, showPMLiteButton = true,
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSFooterViewControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSFooterViewControllerTest.java
index 8b19c50..f43e68f 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSFooterViewControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSFooterViewControllerTest.java
@@ -18,7 +18,11 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.anyInt;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyZeroInteractions;
 import static org.mockito.Mockito.when;
 
 import android.content.ClipData;
@@ -31,6 +35,8 @@
 import androidx.test.filters.SmallTest;
 
 import com.android.systemui.R;
+import com.android.systemui.plugins.ActivityStarter;
+import com.android.systemui.plugins.FalsingManager;
 import com.android.systemui.settings.UserTracker;
 import com.android.systemui.utils.leaks.LeakCheckedTest;
 
@@ -60,13 +66,20 @@
     private TextView mBuildText;
     @Mock
     private FooterActionsController mFooterActionsController;
+    @Mock
+    private FalsingManager mFalsingManager;
+    @Mock
+    private ActivityStarter mActivityStarter;
 
     private QSFooterViewController mController;
+    private View mEditButton;
 
     @Before
     public void setup() throws Exception {
         MockitoAnnotations.initMocks(this);
 
+        mEditButton = new View(mContext);
+
         injectLeakCheckedDependencies(ALL_SUPPORTED_CLASSES);
 
         mContext.addMockSystemService(ClipboardManager.class, mClipboardManager);
@@ -77,9 +90,11 @@
 
         when(mView.isAttachedToWindow()).thenReturn(true);
         when(mView.findViewById(R.id.build)).thenReturn(mBuildText);
+        when(mView.findViewById(android.R.id.edit)).thenReturn(mEditButton);
 
-        mController = new QSFooterViewController(mView, mUserTracker, mQSPanelController,
-                mQuickQSPanelController, mFooterActionsController);
+        mController = new QSFooterViewController(mView, mUserTracker, mFalsingManager,
+                mActivityStarter, mQSPanelController, mQuickQSPanelController,
+                mFooterActionsController);
 
         mController.init();
     }
@@ -99,4 +114,27 @@
         verify(mClipboardManager).setPrimaryClip(captor.capture());
         assertThat(captor.getValue().getItemAt(0).getText()).isEqualTo(text);
     }
+
+    @Test
+    public void testEditButton_falseTap() {
+        when(mFalsingManager.isFalseTap(anyInt())).thenReturn(true);
+
+        mEditButton.performClick();
+
+        verify(mQSPanelController, never()).showEdit(any());
+        verifyZeroInteractions(mActivityStarter);
+    }
+
+    @Test
+    public void testEditButton_realTap() {
+        when(mFalsingManager.isFalseTap(anyInt())).thenReturn(false);
+
+        mEditButton.performClick();
+
+        ArgumentCaptor<Runnable> captor = ArgumentCaptor.forClass(Runnable.class);
+
+        verify(mActivityStarter).postQSRunnableDismissingKeyguard(captor.capture());
+        captor.getValue().run();
+        verify(mQSPanelController).showEdit(mEditButton);
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinatorTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinatorTest.java
index bde6734..3b034f7 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinatorTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinatorTest.java
@@ -26,6 +26,7 @@
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;
 
 import static java.util.Objects.requireNonNull;
@@ -40,7 +41,6 @@
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.RankingBuilder;
-import com.android.systemui.statusbar.notification.ConversationNotificationManager;
 import com.android.systemui.statusbar.notification.SectionClassifier;
 import com.android.systemui.statusbar.notification.collection.GroupEntry;
 import com.android.systemui.statusbar.notification.collection.GroupEntryBuilder;
@@ -48,6 +48,7 @@
 import com.android.systemui.statusbar.notification.collection.NotifPipeline;
 import com.android.systemui.statusbar.notification.collection.NotificationEntry;
 import com.android.systemui.statusbar.notification.collection.NotificationEntryBuilder;
+import com.android.systemui.statusbar.notification.collection.inflation.BindEventManagerImpl;
 import com.android.systemui.statusbar.notification.collection.inflation.NotifInflater;
 import com.android.systemui.statusbar.notification.collection.inflation.NotifUiAdjustmentProvider;
 import com.android.systemui.statusbar.notification.collection.listbuilder.NotifSection;
@@ -93,7 +94,7 @@
     @Mock private NotifSection mNotifSection;
     @Mock private NotifPipeline mNotifPipeline;
     @Mock private IStatusBarService mService;
-    @Mock private ConversationNotificationManager mConvoManager;
+    @Mock private BindEventManagerImpl mBindEventManagerImpl;
     @Spy private FakeNotifInflater mNotifInflater = new FakeNotifInflater();
     private final SectionClassifier mSectionClassifier = new SectionClassifier();
     private final NotifUiAdjustmentProvider mAdjustmentProvider =
@@ -121,7 +122,7 @@
                 mock(NotifViewBarn.class),
                 mAdjustmentProvider,
                 mService,
-                mConvoManager,
+                mBindEventManagerImpl,
                 TEST_CHILD_BIND_CUTOFF,
                 TEST_MAX_GROUP_DELAY);
 
@@ -411,7 +412,8 @@
     public void testCallConversationManagerBindWhenInflated() {
         mBeforeFilterListener.onBeforeFinalizeFilter(List.of(mEntry));
         mNotifInflater.getInflateCallback(mEntry).onInflationFinished(mEntry, null);
-        verify(mConvoManager, times(1)).onEntryViewBound(eq(mEntry));
+        verify(mBindEventManagerImpl, times(1)).notifyViewBound(eq(mEntry));
+        verifyNoMoreInteractions(mBindEventManagerImpl);
     }
 
     @Test
diff --git a/services/core/java/android/content/pm/PackageManagerInternal.java b/services/core/java/android/content/pm/PackageManagerInternal.java
index 1666d15..f56bfab 100644
--- a/services/core/java/android/content/pm/PackageManagerInternal.java
+++ b/services/core/java/android/content/pm/PackageManagerInternal.java
@@ -105,9 +105,10 @@
     public static final int PACKAGE_COMPANION = 15;
     public static final int PACKAGE_RETAIL_DEMO = 16;
     public static final int PACKAGE_RECENTS = 17;
+    public static final int PACKAGE_AMBIENT_CONTEXT_DETECTION = 18;
     // Integer value of the last known package ID. Increases as new ID is added to KnownPackage.
     // Please note the numbers should be continuous.
-    public static final int LAST_KNOWN_PACKAGE = PACKAGE_RECENTS;
+    public static final int LAST_KNOWN_PACKAGE = PACKAGE_AMBIENT_CONTEXT_DETECTION;
 
     @LongDef(flag = true, prefix = "RESOLVE_", value = {
             RESOLVE_NON_BROWSER_ONLY,
diff --git a/services/core/java/com/android/server/MasterClearReceiver.java b/services/core/java/com/android/server/MasterClearReceiver.java
index 62dc2733..be2b7f7 100644
--- a/services/core/java/com/android/server/MasterClearReceiver.java
+++ b/services/core/java/com/android/server/MasterClearReceiver.java
@@ -16,11 +16,14 @@
 
 package com.android.server;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_DELETED_TITLE;
+
 import android.annotation.UserIdInt;
 import android.app.ActivityManager;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.ProgressDialog;
+import android.app.admin.DevicePolicyManager;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -155,7 +158,7 @@
         final Notification notification =
                 new Notification.Builder(context, SystemNotificationChannels.DEVICE_ADMIN)
                         .setSmallIcon(android.R.drawable.stat_sys_warning)
-                        .setContentTitle(context.getString(R.string.work_profile_deleted))
+                        .setContentTitle(getWorkProfileDeletedTitle(context))
                         .setContentText(wipeReason)
                         .setColor(context.getColor(R.color.system_notification_accent_color))
                         .setStyle(new Notification.BigTextStyle().bigText(wipeReason))
@@ -164,6 +167,12 @@
                 SystemMessageProto.SystemMessage.NOTE_PROFILE_WIPED, notification);
     }
 
+    private String getWorkProfileDeletedTitle(Context context) {
+        final DevicePolicyManager dpm = context.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(WORK_PROFILE_DELETED_TITLE,
+                () -> context.getString(R.string.work_profile_deleted));
+    }
+
     private @UserIdInt int getCurrentForegroundUserId() {
         try {
             return ActivityManager.getCurrentUser();
diff --git a/services/core/java/com/android/server/StorageManagerService.java b/services/core/java/com/android/server/StorageManagerService.java
index 98764e0..f71f02a 100644
--- a/services/core/java/com/android/server/StorageManagerService.java
+++ b/services/core/java/com/android/server/StorageManagerService.java
@@ -160,8 +160,6 @@
 import com.android.server.wm.ActivityTaskManagerInternal;
 import com.android.server.wm.ActivityTaskManagerInternal.ScreenObserver;
 
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
 import libcore.io.IoUtils;
 import libcore.util.EmptyArray;
 
@@ -173,6 +171,8 @@
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
 import java.io.PrintWriter;
 import java.math.BigInteger;
 import java.security.GeneralSecurityException;
@@ -3698,16 +3698,29 @@
     @Nullable
     public PendingIntent getManageSpaceActivityIntent(
             @NonNull String packageName, int requestCode) {
-        // Only Apps with MANAGE_EXTERNAL_STORAGE permission should be able to call this API.
-        enforcePermission(android.Manifest.permission.MANAGE_EXTERNAL_STORAGE);
-
-        // We want to call the manageSpaceActivity as a SystemService and clear identity
-        // of the calling App
+        // Only Apps with MANAGE_EXTERNAL_STORAGE permission which have package visibility for
+        // packageName should be able to call this API.
         int originalUid = Binder.getCallingUidOrThrow();
-        final long token = Binder.clearCallingIdentity();
-
         try {
-            ApplicationInfo appInfo = mIPackageManager.getApplicationInfo(packageName, 0,
+            // Get package name for calling app and verify it has MANAGE_EXTERNAL_STORAGE permission
+            final String[] packagesFromUid = mIPackageManager.getPackagesForUid(originalUid);
+            if (packagesFromUid == null) {
+                throw new SecurityException("Unknown uid " + originalUid);
+            }
+            // Checking first entry in packagesFromUid is enough as using "sharedUserId"
+            // mechanism is rare and discouraged. Also, Apps that share same UID share the same
+            // permissions.
+            if (!mStorageManagerInternal.hasExternalStorageAccess(originalUid,
+                    packagesFromUid[0])) {
+                throw new SecurityException("Only File Manager Apps permitted");
+            }
+        } catch (RemoteException re) {
+            throw new SecurityException("Unknown uid " + originalUid, re);
+        }
+
+        ApplicationInfo appInfo;
+        try {
+            appInfo = mIPackageManager.getApplicationInfo(packageName, 0,
                     UserHandle.getUserId(originalUid));
             if (appInfo == null) {
                 throw new IllegalArgumentException(
@@ -3717,8 +3730,15 @@
                 Log.i(TAG, packageName + " doesn't have a manageSpaceActivity");
                 return null;
             }
-            Context targetAppContext = mContext.createPackageContext(packageName, 0);
+        } catch (RemoteException e) {
+            throw new SecurityException("Only File Manager Apps permitted");
+        }
 
+        // We want to call the manageSpaceActivity as a SystemService and clear identity
+        // of the calling App
+        final long token = Binder.clearCallingIdentity();
+        try {
+            Context targetAppContext = mContext.createPackageContext(packageName, 0);
             Intent intent = new Intent(Intent.ACTION_DEFAULT);
             intent.setClassName(packageName,
                     appInfo.manageSpaceActivityName);
@@ -3728,8 +3748,6 @@
                     intent,
                     FLAG_ONE_SHOT | FLAG_CANCEL_CURRENT | FLAG_IMMUTABLE);
             return activity;
-        } catch (RemoteException e) {
-            throw e.rethrowAsRuntimeException();
         } catch (PackageManager.NameNotFoundException e) {
             throw new IllegalArgumentException(
                     "packageName not found");
@@ -4955,19 +4973,17 @@
         @Override
         public boolean hasExternalStorageAccess(int uid, String packageName) {
             try {
-                if (mIPackageManager.checkUidPermission(
-                                MANAGE_EXTERNAL_STORAGE, uid) == PERMISSION_GRANTED) {
-                    return true;
+                final int opMode = mIAppOpsService.checkOperation(
+                        OP_MANAGE_EXTERNAL_STORAGE, uid, packageName);
+                if (opMode == AppOpsManager.MODE_DEFAULT) {
+                    return mIPackageManager.checkUidPermission(
+                            MANAGE_EXTERNAL_STORAGE, uid) == PERMISSION_GRANTED;
                 }
 
-                if (mIAppOpsService.checkOperation(
-                                OP_MANAGE_EXTERNAL_STORAGE, uid, packageName) == MODE_ALLOWED) {
-                    return true;
-                }
+                return opMode == AppOpsManager.MODE_ALLOWED;
             } catch (RemoteException e) {
                 Slog.w("Failed to check MANAGE_EXTERNAL_STORAGE access for " + packageName, e);
             }
-
             return false;
         }
 
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index f67e732..b1b4c44 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -2871,13 +2871,51 @@
         return mode == AppOpsManager.MODE_ALLOWED;
     }
 
-    @Override
-    public int getPackageProcessState(String packageName, String callingPackage) {
-        if (!hasUsageStatsPermission(callingPackage)) {
-            enforceCallingPermission(android.Manifest.permission.PACKAGE_USAGE_STATS,
-                    "getPackageProcessState");
+    /**
+     * Checks whether the calling package is trusted.
+     *
+     * The calling package is trusted if it's from system or the supposed package name matches the
+     * UID making the call.
+     *
+     * @throws SecurityException if the package name and UID don't match.
+     */
+    private void verifyCallingPackage(String callingPackage) {
+        final int callingUid = Binder.getCallingUid();
+        // The caller is System or Shell.
+        if (callingUid == SYSTEM_UID || isCallerShell()) {
+            return;
         }
 
+        // Handle the special UIDs that don't have real package (audioserver, cameraserver, etc).
+        final String resolvedPackage = AppOpsManager.resolvePackageName(callingUid,
+                null /* packageName */);
+        if (resolvedPackage != null && resolvedPackage.equals(callingPackage)) {
+            return;
+        }
+
+        final int claimedUid = getPackageManagerInternal().getPackageUid(callingPackage,
+                0 /* flags */, UserHandle.getUserId(callingUid));
+        if (callingUid == claimedUid) {
+            return;
+        }
+
+        throw new SecurityException(
+                "Claimed calling package " + callingPackage + " does not match the calling UID "
+                        + Binder.getCallingUid());
+    }
+
+    private void enforceUsageStatsPermission(String callingPackage, String func) {
+        verifyCallingPackage(callingPackage);
+        // Since the protection level of PACKAGE_USAGE_STATS has 'appop', apps may grant this
+        // permission via that way. We need to check both app-ops and permission.
+        if (!hasUsageStatsPermission(callingPackage)) {
+            enforceCallingPermission(android.Manifest.permission.PACKAGE_USAGE_STATS, func);
+        }
+    }
+
+    @Override
+    public int getPackageProcessState(String packageName, String callingPackage) {
+        enforceUsageStatsPermission(callingPackage, "getPackageProcessState");
         final int[] procState = {PROCESS_STATE_NONEXISTENT};
         synchronized (mProcLock) {
             mProcessList.forEachLruProcessesLOSP(false, proc -> {
@@ -6938,11 +6976,7 @@
 
     @Override
     public int getUidProcessState(int uid, String callingPackage) {
-        if (!hasUsageStatsPermission(callingPackage)) {
-            enforceCallingPermission(android.Manifest.permission.PACKAGE_USAGE_STATS,
-                    "getUidProcessState");
-        }
-
+        enforceUsageStatsPermission(callingPackage, "getUidProcessState");
         synchronized (mProcLock) {
             return mProcessList.getUidProcStateLOSP(uid);
         }
@@ -6950,11 +6984,7 @@
 
     @Override
     public @ProcessCapability int getUidProcessCapabilities(int uid, String callingPackage) {
-        if (!hasUsageStatsPermission(callingPackage)) {
-            enforceCallingPermission(android.Manifest.permission.PACKAGE_USAGE_STATS,
-                    "getUidProcessState");
-        }
-
+        enforceUsageStatsPermission(callingPackage, "getUidProcessCapabilities");
         synchronized (mProcLock) {
             return mProcessList.getUidProcessCapabilityLOSP(uid);
         }
@@ -6963,10 +6993,7 @@
     @Override
     public void registerUidObserver(IUidObserver observer, int which, int cutpoint,
             String callingPackage) {
-        if (!hasUsageStatsPermission(callingPackage)) {
-            enforceCallingPermission(android.Manifest.permission.PACKAGE_USAGE_STATS,
-                    "registerUidObserver");
-        }
+        enforceUsageStatsPermission(callingPackage, "registerUidObserver");
         mUidObserverController.register(observer, which, cutpoint, callingPackage,
                 Binder.getCallingUid());
     }
@@ -6978,10 +7005,7 @@
 
     @Override
     public boolean isUidActive(int uid, String callingPackage) {
-        if (!hasUsageStatsPermission(callingPackage)) {
-            enforceCallingPermission(android.Manifest.permission.PACKAGE_USAGE_STATS,
-                    "isUidActive");
-        }
+        enforceUsageStatsPermission(callingPackage, "isUidActive");
         synchronized (mProcLock) {
             if (isUidActiveLOSP(uid)) {
                 return true;
diff --git a/services/core/java/com/android/server/am/BatteryStatsService.java b/services/core/java/com/android/server/am/BatteryStatsService.java
index 921208c..0b92954 100644
--- a/services/core/java/com/android/server/am/BatteryStatsService.java
+++ b/services/core/java/com/android/server/am/BatteryStatsService.java
@@ -42,6 +42,7 @@
 import android.os.BatteryUsageStats;
 import android.os.BatteryUsageStatsQuery;
 import android.os.Binder;
+import android.os.BluetoothBatteryStats;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.IBinder;
@@ -2627,6 +2628,20 @@
     }
 
     /**
+     * Gets a snapshot of Bluetooth stats
+     * @hide
+     */
+    public BluetoothBatteryStats getBluetoothBatteryStats() {
+        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BATTERY_STATS, null);
+
+        // Wait for the completion of pending works if there is any
+        awaitCompletion();
+        synchronized (mStats) {
+            return mStats.getBluetoothBatteryStats();
+        }
+    }
+
+    /**
      * Gets a snapshot of the system health for a particular uid.
      */
     @Override
diff --git a/services/core/java/com/android/server/am/CachedAppOptimizer.java b/services/core/java/com/android/server/am/CachedAppOptimizer.java
index c08cf64..6f22c61 100644
--- a/services/core/java/com/android/server/am/CachedAppOptimizer.java
+++ b/services/core/java/com/android/server/am/CachedAppOptimizer.java
@@ -962,7 +962,7 @@
         }
 
         opt.setFreezerOverride(false);
-        if (!opt.isFrozen()) {
+        if (pid == 0 || !opt.isFrozen()) {
             return;
         }
 
diff --git a/services/core/java/com/android/server/ambientcontext/AmbientContextManagerPerUserService.java b/services/core/java/com/android/server/ambientcontext/AmbientContextManagerPerUserService.java
new file mode 100644
index 0000000..6982513
--- /dev/null
+++ b/services/core/java/com/android/server/ambientcontext/AmbientContextManagerPerUserService.java
@@ -0,0 +1,294 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.ambientcontext;
+
+import android.Manifest;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.UserIdInt;
+import android.app.AppGlobals;
+import android.app.BroadcastOptions;
+import android.app.PendingIntent;
+import android.app.ambientcontext.AmbientContextEvent;
+import android.app.ambientcontext.AmbientContextEventRequest;
+import android.app.ambientcontext.AmbientContextEventResponse;
+import android.app.ambientcontext.AmbientContextManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ServiceInfo;
+import android.os.Binder;
+import android.os.RemoteCallback;
+import android.os.RemoteException;
+import android.service.ambientcontext.AmbientContextDetectionService;
+import android.util.IndentingPrintWriter;
+import android.util.Slog;
+
+import com.android.internal.annotations.GuardedBy;
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.server.infra.AbstractPerUserSystemService;
+
+import java.io.PrintWriter;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Per-user manager service for {@link AmbientContextEvent}s.
+ */
+final class AmbientContextManagerPerUserService extends
+        AbstractPerUserSystemService<AmbientContextManagerPerUserService,
+                AmbientContextManagerService> {
+    private static final String TAG = AmbientContextManagerPerUserService.class.getSimpleName();
+
+    @Nullable
+    @VisibleForTesting
+    RemoteAmbientContextDetectionService mRemoteService;
+
+    private ComponentName mComponentName;
+    private Context mContext;
+    private Set<PendingIntent> mExistingPendingIntents;
+
+    AmbientContextManagerPerUserService(
+            @NonNull AmbientContextManagerService master, Object lock, @UserIdInt int userId) {
+        super(master, lock, userId);
+        mContext = master.getContext();
+        mExistingPendingIntents = new HashSet<>();
+    }
+
+    void destroyLocked() {
+        if (isVerbose()) {
+            Slog.v(TAG, "destroyLocked()");
+        }
+
+        Slog.d(TAG, "Trying to cancel the remote request. Reason: Service destroyed.");
+        if (mRemoteService != null) {
+            synchronized (mLock) {
+                mRemoteService.unbind();
+                mRemoteService = null;
+            }
+        }
+    }
+
+    @GuardedBy("mLock")
+    private void ensureRemoteServiceInitiated() {
+        if (mRemoteService == null) {
+            mRemoteService = new RemoteAmbientContextDetectionService(
+                    getContext(), mComponentName, getUserId());
+        }
+    }
+
+    /**
+     * get the currently bound component name.
+     */
+    @VisibleForTesting
+    ComponentName getComponentName() {
+        return mComponentName;
+    }
+
+
+    /**
+     * Resolves and sets up the service if it had not been done yet. Returns true if the service
+     * is available.
+     */
+    @GuardedBy("mLock")
+    @VisibleForTesting
+    boolean setUpServiceIfNeeded() {
+        if (mComponentName == null) {
+            mComponentName = updateServiceInfoLocked();
+        }
+        return mComponentName != null;
+    }
+
+    @Override
+    protected ServiceInfo newServiceInfoLocked(@NonNull ComponentName serviceComponent)
+            throws PackageManager.NameNotFoundException {
+        ServiceInfo serviceInfo;
+        try {
+            serviceInfo = AppGlobals.getPackageManager().getServiceInfo(serviceComponent,
+                    0, mUserId);
+            if (serviceInfo != null) {
+                final String permission = serviceInfo.permission;
+                if (!Manifest.permission.BIND_AMBIENT_CONTEXT_DETECTION_SERVICE.equals(
+                        permission)) {
+                    throw new SecurityException(String.format(
+                            "Service %s requires %s permission. Found %s permission",
+                            serviceInfo.getComponentName(),
+                            Manifest.permission.BIND_AMBIENT_CONTEXT_DETECTION_SERVICE,
+                            serviceInfo.permission));
+                }
+            }
+        } catch (RemoteException e) {
+            throw new PackageManager.NameNotFoundException(
+                    "Could not get service for " + serviceComponent);
+        }
+        return serviceInfo;
+    }
+
+    @Override
+    protected void dumpLocked(@NonNull String prefix, @NonNull PrintWriter pw) {
+        synchronized (super.mLock) {
+            super.dumpLocked(prefix, pw);
+        }
+        if (mRemoteService != null) {
+            mRemoteService.dump("", new IndentingPrintWriter(pw, "  "));
+        }
+    }
+
+    /**
+     * Handles client registering as an observer. Only one registration is supported per app
+     * package. A new registration from the same package will overwrite the previous registration.
+     */
+    public void onRegisterObserver(AmbientContextEventRequest request,
+            PendingIntent pendingIntent) {
+        synchronized (mLock) {
+            if (!setUpServiceIfNeeded()) {
+                Slog.w(TAG, "Service is not available at this moment.");
+                sendStatusUpdateIntent(
+                        pendingIntent, AmbientContextEventResponse.STATUS_SERVICE_UNAVAILABLE);
+                return;
+            }
+
+            // Remove any existing intent and unregister for this package before adding a new one.
+            String callingPackage = pendingIntent.getCreatorPackage();
+            PendingIntent duplicatePendingIntent = findExistingRequestByPackage(callingPackage);
+            if (duplicatePendingIntent != null) {
+                Slog.d(TAG, "Unregister duplicate request from " + callingPackage);
+                onUnregisterObserver(callingPackage);
+                mExistingPendingIntents.remove(duplicatePendingIntent);
+            }
+
+            // Register new package and add request to mExistingRequests
+            startDetection(request, callingPackage, createRemoteCallback());
+            mExistingPendingIntents.add(pendingIntent);
+        }
+    }
+
+    @VisibleForTesting
+    void startDetection(AmbientContextEventRequest request, String callingPackage,
+            RemoteCallback callback) {
+        Slog.d(TAG, "Requested detection of " + request.getEventTypes());
+        synchronized (mLock) {
+            ensureRemoteServiceInitiated();
+            mRemoteService.startDetection(request, callingPackage, callback);
+        }
+    }
+
+    /**
+     * Sends an intent with a status code and empty events.
+     */
+    void sendStatusUpdateIntent(PendingIntent pendingIntent, int statusCode) {
+        AmbientContextEventResponse response = new AmbientContextEventResponse.Builder()
+                .setStatusCode(statusCode)
+                .build();
+        sendResponseIntent(pendingIntent, response);
+    }
+
+    /**
+     * Unregisters the client from all previously registered events by removing from the
+     * mExistingRequests map, and unregister events from the service if those events are not
+     * requested by other apps.
+     */
+    public void onUnregisterObserver(String callingPackage) {
+        synchronized (mLock) {
+            PendingIntent pendingIntent = findExistingRequestByPackage(callingPackage);
+            if (pendingIntent == null) {
+                Slog.d(TAG, "No registration found for " + callingPackage);
+                return;
+            }
+
+            // Remove from existing requests
+            mExistingPendingIntents.remove(pendingIntent);
+            stopDetection(pendingIntent.getCreatorPackage());
+        }
+    }
+
+    @VisibleForTesting
+    void stopDetection(String packageName) {
+        Slog.d(TAG, "Stop detection for " + packageName);
+        synchronized (mLock) {
+            ensureRemoteServiceInitiated();
+            mRemoteService.stopDetection(packageName);
+        }
+    }
+
+    @Nullable
+    private PendingIntent findExistingRequestByPackage(String callingPackage) {
+        for (PendingIntent pendingIntent : mExistingPendingIntents) {
+            if (pendingIntent.getCreatorPackage().equals(callingPackage)) {
+                return pendingIntent;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Sends out the Intent to the client after the event is detected.
+     *
+     * @param pendingIntent Client's PendingIntent for callback
+     * @param response Response with status code and detection result
+     */
+    private void sendResponseIntent(PendingIntent pendingIntent,
+            AmbientContextEventResponse response) {
+        Intent intent = new Intent();
+        intent.putExtra(AmbientContextManager.EXTRA_AMBIENT_CONTEXT_EVENT_RESPONSE, response);
+        // Explicitly disallow the receiver from starting activities, to prevent apps from utilizing
+        // the PendingIntent as a backdoor to do this.
+        BroadcastOptions options = BroadcastOptions.makeBasic();
+        options.setPendingIntentBackgroundActivityLaunchAllowed(false);
+        try {
+            pendingIntent.send(getContext(), 0, intent, null, null, null,
+                    options.toBundle());
+            Slog.i(TAG, "Sending PendingIntent to " + pendingIntent.getCreatorPackage() + ": "
+                    + response);
+        } catch (PendingIntent.CanceledException e) {
+            Slog.w(TAG, "Couldn't deliver pendingIntent:" + pendingIntent);
+        }
+    }
+
+    @NonNull
+    private RemoteCallback createRemoteCallback() {
+        return new RemoteCallback(result -> {
+            AmbientContextEventResponse response = (AmbientContextEventResponse) result.get(
+                            AmbientContextDetectionService.RESPONSE_BUNDLE_KEY);
+            final long token = Binder.clearCallingIdentity();
+            try {
+                Set<PendingIntent> pendingIntentForFailedRequests = new HashSet<>();
+                for (PendingIntent pendingIntent : mExistingPendingIntents) {
+                    // Send PendingIntent if a requesting package matches the response packages.
+                    if (response.getPackageName().equals(pendingIntent.getCreatorPackage())) {
+                        sendResponseIntent(pendingIntent, response);
+
+                        int statusCode = response.getStatusCode();
+                        if (statusCode != AmbientContextEventResponse.STATUS_SUCCESS) {
+                            pendingIntentForFailedRequests.add(pendingIntent);
+                        }
+                        Slog.i(TAG, "Got response of " + response.getEvents() + " for "
+                                + pendingIntent.getCreatorPackage() + ". Status: " + statusCode);
+                    }
+                }
+
+                // Removes the failed requests from the existing requests.
+                for (PendingIntent pendingIntent : pendingIntentForFailedRequests) {
+                    mExistingPendingIntents.remove(pendingIntent);
+                }
+            } finally {
+                Binder.restoreCallingIdentity(token);
+            }
+        });
+    }
+}
diff --git a/services/core/java/com/android/server/ambientcontext/AmbientContextManagerService.java b/services/core/java/com/android/server/ambientcontext/AmbientContextManagerService.java
new file mode 100644
index 0000000..33905f2
--- /dev/null
+++ b/services/core/java/com/android/server/ambientcontext/AmbientContextManagerService.java
@@ -0,0 +1,220 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.ambientcontext;
+
+import static android.provider.DeviceConfig.NAMESPACE_AMBIENT_CONTEXT_MANAGER_SERVICE;
+
+import android.Manifest;
+import android.annotation.NonNull;
+import android.annotation.UserIdInt;
+import android.app.PendingIntent;
+import android.app.ambientcontext.AmbientContextEvent;
+import android.app.ambientcontext.AmbientContextEventRequest;
+import android.app.ambientcontext.AmbientContextEventResponse;
+import android.app.ambientcontext.IAmbientContextEventObserver;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.PackageManagerInternal;
+import android.os.RemoteCallback;
+import android.os.ResultReceiver;
+import android.os.ShellCallback;
+import android.os.UserHandle;
+import android.provider.DeviceConfig;
+import android.util.Slog;
+
+import com.android.internal.R;
+import com.android.internal.util.DumpUtils;
+import com.android.server.LocalServices;
+import com.android.server.SystemService;
+import com.android.server.infra.AbstractMasterSystemService;
+import com.android.server.infra.FrameworkResourcesServiceNameResolver;
+
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+import java.util.Objects;
+import java.util.Set;
+
+/**
+ * System service for managing {@link AmbientContextEvent}s.
+ */
+public class AmbientContextManagerService extends
+        AbstractMasterSystemService<AmbientContextManagerService,
+                AmbientContextManagerPerUserService> {
+    private static final String TAG = AmbientContextManagerService.class.getSimpleName();
+    private static final String KEY_SERVICE_ENABLED = "service_enabled";
+
+    /** Default value in absence of {@link DeviceConfig} override. */
+    private static final boolean DEFAULT_SERVICE_ENABLED = true;
+
+    private final Context mContext;
+    boolean mIsServiceEnabled;
+
+    public AmbientContextManagerService(Context context) {
+        super(context,
+                new FrameworkResourcesServiceNameResolver(
+                        context,
+                        R.string.config_defaultAmbientContextDetectionService),
+                        /*disallowProperty=*/null,
+                PACKAGE_UPDATE_POLICY_REFRESH_EAGER
+                        | /*To avoid high latency*/ PACKAGE_RESTART_POLICY_REFRESH_EAGER);
+        mContext = context;
+    }
+
+    @Override
+    public void onStart() {
+        publishBinderService(Context.AMBIENT_CONTEXT_SERVICE, new AmbientContextEventObserver());
+    }
+
+    @Override
+    public void onBootPhase(int phase) {
+        if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) {
+            DeviceConfig.addOnPropertiesChangedListener(
+                    NAMESPACE_AMBIENT_CONTEXT_MANAGER_SERVICE,
+                    getContext().getMainExecutor(),
+                    (properties) -> onDeviceConfigChange(properties.getKeyset()));
+
+            mIsServiceEnabled = DeviceConfig.getBoolean(
+                    NAMESPACE_AMBIENT_CONTEXT_MANAGER_SERVICE,
+                    KEY_SERVICE_ENABLED, DEFAULT_SERVICE_ENABLED);
+        }
+    }
+
+    private void onDeviceConfigChange(@NonNull Set<String> keys) {
+        if (keys.contains(KEY_SERVICE_ENABLED)) {
+            mIsServiceEnabled = DeviceConfig.getBoolean(
+                    NAMESPACE_AMBIENT_CONTEXT_MANAGER_SERVICE,
+                    KEY_SERVICE_ENABLED, DEFAULT_SERVICE_ENABLED);
+        }
+    }
+
+    @Override
+    protected AmbientContextManagerPerUserService newServiceLocked(int resolvedUserId,
+            boolean disabled) {
+        return new AmbientContextManagerPerUserService(this, mLock, resolvedUserId);
+    }
+
+    @Override
+    protected void onServiceRemoved(
+            AmbientContextManagerPerUserService service, @UserIdInt int userId) {
+        service.destroyLocked();
+    }
+
+    /** Returns {@code true} if the detection service is configured on this device. */
+    public static boolean isDetectionServiceConfigured() {
+        final PackageManagerInternal pmi = LocalServices.getService(PackageManagerInternal.class);
+        final String[] packageNames = pmi.getKnownPackageNames(
+                PackageManagerInternal.PACKAGE_AMBIENT_CONTEXT_DETECTION, UserHandle.USER_SYSTEM);
+        boolean isServiceConfigured = (packageNames.length != 0);
+        Slog.i(TAG, "Detection service configured: " + isServiceConfigured);
+        return isServiceConfigured;
+    }
+
+    /**
+     * Send request to the remote AmbientContextDetectionService impl to start detecting the
+     * specified events. Intended for use by shell command for testing.
+     * Requires ACCESS_AMBIENT_CONTEXT_EVENT permission.
+     */
+    void startAmbientContextEvent(@UserIdInt int userId, AmbientContextEventRequest request,
+            String packageName, RemoteCallback callback) {
+        mContext.enforceCallingOrSelfPermission(
+                Manifest.permission.ACCESS_AMBIENT_CONTEXT_EVENT, TAG);
+        synchronized (mLock) {
+            final AmbientContextManagerPerUserService service = getServiceForUserLocked(userId);
+            if (service != null) {
+                service.startDetection(request, packageName, callback);
+            } else {
+                Slog.i(TAG, "service not available for user_id: " + userId);
+            }
+        }
+    }
+
+    /**
+     * Send request to the remote AmbientContextDetectionService impl to stop detecting the
+     * specified events. Intended for use by shell command for testing.
+     * Requires ACCESS_AMBIENT_CONTEXT_EVENT permission.
+     */
+    void stopAmbientContextEvent(@UserIdInt int userId, String packageName) {
+        mContext.enforceCallingOrSelfPermission(
+                Manifest.permission.ACCESS_AMBIENT_CONTEXT_EVENT, TAG);
+        synchronized (mLock) {
+            final AmbientContextManagerPerUserService service = getServiceForUserLocked(userId);
+            if (service != null) {
+                service.stopDetection(packageName);
+            } else {
+                Slog.i(TAG, "service not available for user_id: " + userId);
+            }
+        }
+    }
+
+    /**
+     * Returns the AmbientContextManagerPerUserService component for this user.
+     */
+    public ComponentName getComponentName(@UserIdInt int userId) {
+        synchronized (mLock) {
+            final AmbientContextManagerPerUserService service = getServiceForUserLocked(userId);
+            if (service != null) {
+                return service.getComponentName();
+            }
+        }
+        return null;
+    }
+
+    private final class AmbientContextEventObserver extends IAmbientContextEventObserver.Stub {
+        final AmbientContextManagerPerUserService mService = getServiceForUserLocked(
+                UserHandle.getCallingUserId());
+
+        @Override
+        public void registerObserver(
+                AmbientContextEventRequest request, PendingIntent pendingIntent) {
+            Objects.requireNonNull(request);
+            Objects.requireNonNull(pendingIntent);
+            mContext.enforceCallingOrSelfPermission(
+                    Manifest.permission.ACCESS_AMBIENT_CONTEXT_EVENT, TAG);
+            if (!mIsServiceEnabled) {
+                Slog.w(TAG, "Service not available.");
+                mService.sendStatusUpdateIntent(pendingIntent,
+                        AmbientContextEventResponse.STATUS_SERVICE_UNAVAILABLE);
+                return;
+            }
+            mService.onRegisterObserver(request, pendingIntent);
+        }
+
+        @Override
+        public void unregisterObserver(String callingPackage) {
+            mContext.enforceCallingOrSelfPermission(
+                    Manifest.permission.ACCESS_AMBIENT_CONTEXT_EVENT, TAG);
+            mService.onUnregisterObserver(callingPackage);
+        }
+
+        @Override
+        protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) {
+                return;
+            }
+            synchronized (mLock) {
+                dumpLocked("", pw);
+            }
+        }
+
+        @Override
+        public void onShellCommand(FileDescriptor in, FileDescriptor out, FileDescriptor err,
+                String[] args, ShellCallback callback, ResultReceiver resultReceiver) {
+            new AmbientContextShellCommand(AmbientContextManagerService.this).exec(
+                    this, in, out, err, args, callback, resultReceiver);
+        }
+    }
+}
diff --git a/services/core/java/com/android/server/ambientcontext/AmbientContextShellCommand.java b/services/core/java/com/android/server/ambientcontext/AmbientContextShellCommand.java
new file mode 100644
index 0000000..b5cd985
--- /dev/null
+++ b/services/core/java/com/android/server/ambientcontext/AmbientContextShellCommand.java
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.ambientcontext;
+
+import static java.lang.System.out;
+
+import android.annotation.NonNull;
+import android.app.ambientcontext.AmbientContextEvent;
+import android.app.ambientcontext.AmbientContextEventRequest;
+import android.app.ambientcontext.AmbientContextEventResponse;
+import android.content.ComponentName;
+import android.os.Binder;
+import android.os.RemoteCallback;
+import android.os.ShellCommand;
+import android.service.ambientcontext.AmbientContextDetectionService;
+
+import java.io.PrintWriter;
+
+/**
+ * Shell command for {@link AmbientContextManagerService}.
+ */
+final class AmbientContextShellCommand extends ShellCommand {
+
+    @NonNull
+    private final AmbientContextManagerService mService;
+
+    AmbientContextShellCommand(@NonNull AmbientContextManagerService service) {
+        mService = service;
+    }
+
+    /** Callbacks for AmbientContextEventService results used internally for testing. */
+    static class TestableCallbackInternal {
+        private AmbientContextEventResponse mLastResponse;
+
+        public AmbientContextEventResponse getLastResponse() {
+            return mLastResponse;
+        }
+
+        @NonNull
+        private RemoteCallback createRemoteCallback() {
+            return new RemoteCallback(result -> {
+                AmbientContextEventResponse response =
+                        (AmbientContextEventResponse) result.get(
+                                AmbientContextDetectionService.RESPONSE_BUNDLE_KEY);
+                final long token = Binder.clearCallingIdentity();
+                try {
+                    mLastResponse = response;
+                    out.println("Response available: " + response);
+                } finally {
+                    Binder.restoreCallingIdentity(token);
+                }
+            });
+        }
+    }
+
+    static final TestableCallbackInternal sTestableCallbackInternal =
+            new TestableCallbackInternal();
+
+    @Override
+    public int onCommand(String cmd) {
+        if (cmd == null) {
+            return handleDefaultCommands(cmd);
+        }
+
+        switch (cmd) {
+            case "start-detection":
+                return runStartDetection();
+            case "stop-detection":
+                return runStopDetection();
+            case "get-last-status-code":
+                return getLastStatusCode();
+            case "get-bound-package":
+                return getBoundPackageName();
+            case "set-temporary-service":
+                return setTemporaryService();
+            default:
+                return handleDefaultCommands(cmd);
+        }
+    }
+
+    private int runStartDetection() {
+        final int userId = Integer.parseInt(getNextArgRequired());
+        final String packageName = getNextArgRequired();
+        AmbientContextEventRequest request = new AmbientContextEventRequest.Builder()
+                .addEventType(AmbientContextEvent.EVENT_COUGH)
+                .addEventType(AmbientContextEvent.EVENT_SNORE)
+                .build();
+
+        mService.startAmbientContextEvent(userId, request, packageName,
+                sTestableCallbackInternal.createRemoteCallback());
+        return 0;
+    }
+
+    private int runStopDetection() {
+        final int userId = Integer.parseInt(getNextArgRequired());
+        final String packageName = getNextArgRequired();
+        mService.stopAmbientContextEvent(userId, packageName);
+        return 0;
+    }
+
+    private int getLastStatusCode() {
+        AmbientContextEventResponse lastResponse = sTestableCallbackInternal.getLastResponse();
+        if (lastResponse == null) {
+            return -1;
+        }
+        return lastResponse.getStatusCode();
+    }
+
+    @Override
+    public void onHelp() {
+        PrintWriter pw = getOutPrintWriter();
+        pw.println("AmbientContextEvent commands: ");
+        pw.println("  help");
+        pw.println("    Print this help text.");
+        pw.println();
+        pw.println("  start-detection USER_ID PACKAGE_NAME: Starts AmbientContextEvent detection.");
+        pw.println("  stop-detection USER_ID: Stops AmbientContextEvent detection.");
+        pw.println("  get-last-status-code: Prints the latest request status code.");
+        pw.println("  get-bound-package USER_ID:"
+                + "     Print the bound package that implements the service.");
+        pw.println("  set-temporary-service USER_ID [COMPONENT_NAME DURATION]");
+        pw.println("    Temporarily (for DURATION ms) changes the service implementation.");
+        pw.println("    To reset, call with just the USER_ID argument.");
+    }
+
+    private int getBoundPackageName() {
+        final PrintWriter out = getOutPrintWriter();
+        final int userId = Integer.parseInt(getNextArgRequired());
+        final ComponentName componentName = mService.getComponentName(userId);
+        out.println(componentName == null ? "" : componentName.getPackageName());
+        return 0;
+    }
+
+    private int setTemporaryService() {
+        final PrintWriter out = getOutPrintWriter();
+        final int userId = Integer.parseInt(getNextArgRequired());
+        final String serviceName = getNextArg();
+        if (serviceName == null) {
+            mService.resetTemporaryService(userId);
+            out.println("AmbientContextDetectionService temporary reset. ");
+            return 0;
+        }
+
+        final int duration = Integer.parseInt(getNextArgRequired());
+        mService.setTemporaryService(userId, serviceName, duration);
+        out.println("AmbientContextDetectionService temporarily set to " + serviceName
+                + " for " + duration + "ms");
+        return 0;
+    }
+}
diff --git a/services/core/java/com/android/server/ambientcontext/OWNERS b/services/core/java/com/android/server/ambientcontext/OWNERS
new file mode 100644
index 0000000..a863297
--- /dev/null
+++ b/services/core/java/com/android/server/ambientcontext/OWNERS
@@ -0,0 +1,3 @@
+enxun@google.com
+kxchen@google.com
+tgadh@google.com
diff --git a/services/core/java/com/android/server/ambientcontext/RemoteAmbientContextDetectionService.java b/services/core/java/com/android/server/ambientcontext/RemoteAmbientContextDetectionService.java
new file mode 100644
index 0000000..5cc29b3
--- /dev/null
+++ b/services/core/java/com/android/server/ambientcontext/RemoteAmbientContextDetectionService.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.ambientcontext;
+
+import static android.content.Context.BIND_FOREGROUND_SERVICE;
+import static android.content.Context.BIND_INCLUDE_CAPABILITIES;
+
+import android.annotation.NonNull;
+import android.app.ambientcontext.AmbientContextEventRequest;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.os.RemoteCallback;
+import android.service.ambientcontext.AmbientContextDetectionService;
+import android.service.ambientcontext.IAmbientContextDetectionService;
+import android.util.Slog;
+
+import com.android.internal.infra.ServiceConnector;
+
+/** Manages the connection to the remote service. */
+final class RemoteAmbientContextDetectionService
+        extends ServiceConnector.Impl<IAmbientContextDetectionService> {
+    private static final String TAG =
+            RemoteAmbientContextDetectionService.class.getSimpleName();
+
+    RemoteAmbientContextDetectionService(Context context, ComponentName serviceName,
+            int userId) {
+        super(context, new Intent(
+                AmbientContextDetectionService.SERVICE_INTERFACE).setComponent(serviceName),
+                BIND_FOREGROUND_SERVICE | BIND_INCLUDE_CAPABILITIES, userId,
+                IAmbientContextDetectionService.Stub::asInterface);
+
+        // Bind right away
+        connect();
+    }
+
+    /**
+     * Asks the implementation to start detection.
+     *
+     * @param request The request with events to detect, and optional detection options.
+     * @param packageName The app package that requested the detection
+     * @param callback callback for detection results
+     */
+    public void startDetection(
+            @NonNull AmbientContextEventRequest request, String packageName,
+            RemoteCallback callback) {
+        Slog.i(TAG, "Start detection for " + request.getEventTypes());
+        post(service -> service.startDetection(request, packageName, callback));
+    }
+
+    /**
+     * Asks the implementation to stop detection.
+     *
+     * @param packageName stop detection for the given package
+     */
+    public void stopDetection(String packageName) {
+        Slog.i(TAG, "Stop detection for " + packageName);
+        post(service -> service.stopDetection(packageName));
+    }
+}
diff --git a/services/core/java/com/android/server/app/GameManagerService.java b/services/core/java/com/android/server/app/GameManagerService.java
index 53f651b..f5f7bb3 100644
--- a/services/core/java/com/android/server/app/GameManagerService.java
+++ b/services/core/java/com/android/server/app/GameManagerService.java
@@ -43,6 +43,7 @@
 import android.app.ActivityManager;
 import android.app.GameManager;
 import android.app.GameManager.GameMode;
+import android.app.GameModeInfo;
 import android.app.GameState;
 import android.app.IGameManagerService;
 import android.app.compat.PackageOverride;
@@ -694,6 +695,32 @@
         }
     }
 
+    private @GameMode int[] getAvailableGameModesUnchecked(String packageName) {
+        GamePackageConfiguration config = null;
+        synchronized (mOverrideConfigLock) {
+            config = mOverrideConfigs.get(packageName);
+        }
+        if (config == null) {
+            synchronized (mDeviceConfigLock) {
+                config = mConfigs.get(packageName);
+            }
+        }
+        if (config == null) {
+            return new int[]{};
+        }
+        return config.getAvailableGameModes();
+    }
+
+    private boolean isPackageGame(String packageName, @UserIdInt int userId) {
+        try {
+            final ApplicationInfo applicationInfo = mPackageManager
+                    .getApplicationInfoAsUser(packageName, PackageManager.MATCH_ALL, userId);
+            return applicationInfo.category == ApplicationInfo.CATEGORY_GAME;
+        } catch (PackageManager.NameNotFoundException e) {
+            return false;
+        }
+    }
+
     /**
      * Get an array of game modes available for a given package.
      * Checks that the caller has {@link android.Manifest.permission#MANAGE_GAME_MODE}.
@@ -702,19 +729,7 @@
     @RequiresPermission(Manifest.permission.MANAGE_GAME_MODE)
     public @GameMode int[] getAvailableGameModes(String packageName) throws SecurityException {
         checkPermission(Manifest.permission.MANAGE_GAME_MODE);
-        GamePackageConfiguration config = null;
-        synchronized (mOverrideConfigLock) {
-            config = mOverrideConfigs.get(packageName);
-        }
-        if (config == null) {
-        synchronized (mDeviceConfigLock) {
-                config = mConfigs.get(packageName);
-            }
-        }
-        if (config == null) {
-            return new int[]{GameManager.GAME_MODE_UNSUPPORTED};
-        }
-        return config.getAvailableGameModes();
+        return getAvailableGameModesUnchecked(packageName);
     }
 
     private @GameMode int getGameModeFromSettings(String packageName, @UserIdInt int userId) {
@@ -735,28 +750,22 @@
      * {@link android.Manifest.permission#MANAGE_GAME_MODE}.
      */
     @Override
-    public @GameMode int getGameMode(String packageName, int userId)
+    public @GameMode int getGameMode(@NonNull String packageName, @UserIdInt int userId)
             throws SecurityException {
         userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(),
                 Binder.getCallingUid(), userId, false, true, "getGameMode",
                 "com.android.server.app.GameManagerService");
 
         // Restrict to games only.
-        try {
-            final ApplicationInfo applicationInfo = mPackageManager
-                    .getApplicationInfoAsUser(packageName, PackageManager.MATCH_ALL, userId);
-            if (applicationInfo.category != ApplicationInfo.CATEGORY_GAME) {
-                // The game mode for applications that are not identified as game is always
-                // UNSUPPORTED. See {@link PackageManager#setApplicationCategoryHint(String, int)}
-                return GameManager.GAME_MODE_UNSUPPORTED;
-            }
-        } catch (PackageManager.NameNotFoundException e) {
+        if (!isPackageGame(packageName, userId)) {
+            // The game mode for applications that are not identified as game is always
+            // UNSUPPORTED. See {@link PackageManager#setApplicationCategoryHint(String, int)}
             return GameManager.GAME_MODE_UNSUPPORTED;
         }
 
         // This function handles two types of queries:
-        // 1.) A normal, non-privileged app querying its own Game Mode.
-        // 2.) A privileged system service querying the Game Mode of another package.
+        // 1) A normal, non-privileged app querying its own Game Mode.
+        // 2) A privileged system service querying the Game Mode of another package.
         // The least privileged case is a normal app performing a query, so check that first and
         // return a value if the package name is valid. Next, check if the caller has the necessary
         // permission and return a value. Do this check last, since it can throw an exception.
@@ -769,14 +778,32 @@
         return getGameModeFromSettings(packageName, userId);
     }
 
-    private boolean isPackageGame(String packageName, int userId) {
-        try {
-            final ApplicationInfo applicationInfo = mPackageManager
-                    .getApplicationInfoAsUser(packageName, PackageManager.MATCH_ALL, userId);
-            return applicationInfo.category == ApplicationInfo.CATEGORY_GAME;
-        } catch (PackageManager.NameNotFoundException e) {
-            return false;
+    /**
+     * Get the GameModeInfo for the package name.
+     * Verifies that the calling process is for the matching package UID or has
+     * {@link android.Manifest.permission#MANAGE_GAME_MODE}. If the package is not a game,
+     * null is always returned.
+     */
+    @Override
+    @RequiresPermission(Manifest.permission.MANAGE_GAME_MODE)
+    @Nullable
+    public GameModeInfo getGameModeInfo(@NonNull String packageName, @UserIdInt int userId) {
+        userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(),
+                Binder.getCallingUid(), userId, false, true, "getGameModeInfo",
+                "com.android.server.app.GameManagerService");
+
+        // Check the caller has the necessary permission.
+        checkPermission(Manifest.permission.MANAGE_GAME_MODE);
+
+        // Restrict to games only.
+        if (!isPackageGame(packageName, userId)) {
+            return null;
         }
+
+        final @GameMode int activeGameMode = getGameModeFromSettings(packageName, userId);
+        final @GameMode int[] availableGameModes = getAvailableGameModesUnchecked(packageName);
+
+        return new GameModeInfo(activeGameMode, availableGameModes);
     }
 
     /**
diff --git a/services/core/java/com/android/server/app/GameServiceProviderInstanceImpl.java b/services/core/java/com/android/server/app/GameServiceProviderInstanceImpl.java
index 8996140..43c9839 100644
--- a/services/core/java/com/android/server/app/GameServiceProviderInstanceImpl.java
+++ b/services/core/java/com/android/server/app/GameServiceProviderInstanceImpl.java
@@ -19,6 +19,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.app.ActivityManager.RunningTaskInfo;
+import android.app.ActivityTaskManager;
 import android.app.IActivityTaskManager;
 import android.app.TaskStackListener;
 import android.content.ComponentName;
@@ -75,6 +76,13 @@
             });
         }
 
+        @Override
+        public void onTaskFocusChanged(int taskId, boolean focused) {
+            mBackgroundExecutor.execute(() -> {
+                GameServiceProviderInstanceImpl.this.onTaskFocusChanged(taskId, focused);
+            });
+        }
+
         // TODO(b/204503192): Limit the lifespan of the game session in the Game Service provider
         // to only when the associated task is running. Right now it is possible for a task to
         // move into the background and for all associated processes to die and for the Game Session
@@ -212,6 +220,30 @@
         }
     }
 
+    private void onTaskFocusChanged(int taskId, boolean focused) {
+        synchronized (mLock) {
+            onTaskFocusChangedLocked(taskId, focused);
+        }
+    }
+
+    @GuardedBy("mLock")
+    private void onTaskFocusChangedLocked(int taskId, boolean focused) {
+        if (DEBUG) {
+            Slog.d(TAG, "onTaskFocusChangedLocked() id: " + taskId + " focused: " + focused);
+        }
+
+        final GameSessionRecord gameSessionRecord = mGameSessions.get(taskId);
+        if (gameSessionRecord == null || gameSessionRecord.getGameSession() == null) {
+            return;
+        }
+
+        try {
+            gameSessionRecord.getGameSession().onTaskFocusChanged(focused);
+        } catch (RemoteException ex) {
+            Slog.w(TAG, "Failed to notify session of task focus change: " + gameSessionRecord);
+        }
+    }
+
     @GuardedBy("mLock")
     private void gameTaskStartedLocked(int taskId, @NonNull ComponentName componentName) {
         if (DEBUG) {
@@ -311,6 +343,12 @@
                             synchronized (mLock) {
                                 attachGameSessionLocked(taskId, createGameSessionResult);
                             }
+
+                            // The TaskStackListener may have made its task focused call for the
+                            // game session's task before the game session was created, so check if
+                            // the task is already focused so that the game session can be notified.
+                            setGameSessionFocusedIfNecessary(taskId,
+                                    createGameSessionResult.getGameSession());
                         }, mBackgroundExecutor);
 
         AndroidFuture<Void> unusedPostCreateGameSessionFuture =
@@ -327,6 +365,18 @@
                 });
     }
 
+    private void setGameSessionFocusedIfNecessary(int taskId, IGameSession gameSession) {
+        try {
+            final ActivityTaskManager.RootTaskInfo rootTaskInfo =
+                    mActivityTaskManager.getFocusedRootTaskInfo();
+            if (rootTaskInfo != null && rootTaskInfo.taskId == taskId) {
+                gameSession.onTaskFocusChanged(true);
+            }
+        } catch (RemoteException ex) {
+            Slog.w(TAG, "Failed to set task focused for ID: " + taskId);
+        }
+    }
+
     @GuardedBy("mLock")
     private void attachGameSessionLocked(
             int taskId,
@@ -368,7 +418,7 @@
             int taskId,
             CreateGameSessionResult createGameSessionResult) {
         try {
-            createGameSessionResult.getGameSession().destroy();
+            createGameSessionResult.getGameSession().onDestroyed();
         } catch (RemoteException ex) {
             Slog.w(TAG, "Failed to destroy session: " + taskId);
         }
@@ -408,7 +458,7 @@
         IGameSession gameSession = gameSessionRecord.getGameSession();
         if (gameSession != null) {
             try {
-                gameSession.destroy();
+                gameSession.onDestroyed();
             } catch (RemoteException ex) {
                 Slog.w(TAG, "Failed to destroy session: " + gameSessionRecord, ex);
             }
diff --git a/services/core/java/com/android/server/audio/AudioDeviceInventory.java b/services/core/java/com/android/server/audio/AudioDeviceInventory.java
index 0961fcb3..2dd6bf5 100644
--- a/services/core/java/com/android/server/audio/AudioDeviceInventory.java
+++ b/services/core/java/com/android/server/audio/AudioDeviceInventory.java
@@ -1360,6 +1360,9 @@
             case AudioSystem.DEVICE_OUT_USB_HEADSET:
                 connType = AudioRoutesInfo.MAIN_USB;
                 break;
+            case AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET:
+                connType = AudioRoutesInfo.MAIN_DOCK_SPEAKERS;
+                break;
         }
 
         synchronized (mCurAudioRoutes) {
diff --git a/services/core/java/com/android/server/camera/CameraServiceProxy.java b/services/core/java/com/android/server/camera/CameraServiceProxy.java
index 33a26ba..1e00ea9 100644
--- a/services/core/java/com/android/server/camera/CameraServiceProxy.java
+++ b/services/core/java/com/android/server/camera/CameraServiceProxy.java
@@ -36,6 +36,7 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ParceledListSlice;
 import android.content.res.Configuration;
+import android.graphics.Rect;
 import android.hardware.CameraSessionStats;
 import android.hardware.CameraStreamStats;
 import android.hardware.ICameraService;
@@ -305,6 +306,9 @@
 
         @Override
         public void onFixedRotationFinished(int displayId) { }
+
+        @Override
+        public void onKeepClearAreasChanged(int displayId, List<Rect> keepClearArea) { }
     }
 
 
diff --git a/services/core/java/com/android/server/display/DisplayDeviceInfo.java b/services/core/java/com/android/server/display/DisplayDeviceInfo.java
index fd4cd8e..35e3db78 100644
--- a/services/core/java/com/android/server/display/DisplayDeviceInfo.java
+++ b/services/core/java/com/android/server/display/DisplayDeviceInfo.java
@@ -358,6 +358,12 @@
     public float brightnessMaximum;
     public float brightnessDefault;
 
+    /**
+     * Install orientation of display panel relative to its natural orientation.
+     */
+    @Surface.Rotation
+    public int installOrientation = Surface.ROTATION_0;
+
     public void setAssumedDensityForExternalDisplay(int width, int height) {
         densityDpi = Math.min(width, height) * DisplayMetrics.DENSITY_XHIGH / 1080;
         // Technically, these values should be smaller than the apparent density
@@ -417,7 +423,8 @@
                 || !BrightnessSynchronizer.floatEquals(brightnessMaximum, other.brightnessMaximum)
                 || !BrightnessSynchronizer.floatEquals(brightnessDefault,
                 other.brightnessDefault)
-                || !Objects.equals(roundedCorners, other.roundedCorners)) {
+                || !Objects.equals(roundedCorners, other.roundedCorners)
+                || installOrientation != other.installOrientation) {
             diff |= DIFF_OTHER;
         }
         return diff;
@@ -461,6 +468,7 @@
         brightnessMaximum = other.brightnessMaximum;
         brightnessDefault = other.brightnessDefault;
         roundedCorners = other.roundedCorners;
+        installOrientation = other.installOrientation;
     }
 
     // For debugging purposes
@@ -508,6 +516,7 @@
             sb.append(", roundedCorners ").append(roundedCorners);
         }
         sb.append(flagsToString(flags));
+        sb.append(", installOrientation ").append(installOrientation);
         sb.append("}");
         return sb.toString();
     }
diff --git a/services/core/java/com/android/server/display/LocalDisplayAdapter.java b/services/core/java/com/android/server/display/LocalDisplayAdapter.java
index 84de822..3a9ef0a 100644
--- a/services/core/java/com/android/server/display/LocalDisplayAdapter.java
+++ b/services/core/java/com/android/server/display/LocalDisplayAdapter.java
@@ -641,6 +641,7 @@
 
                 mInfo.roundedCorners = RoundedCorners.fromResources(
                         res, mInfo.uniqueId, mInfo.width, mInfo.height);
+                mInfo.installOrientation = mStaticDisplayInfo.installOrientation;
 
                 if (mStaticDisplayInfo.isInternal) {
                     mInfo.type = Display.TYPE_INTERNAL;
diff --git a/services/core/java/com/android/server/display/LogicalDisplay.java b/services/core/java/com/android/server/display/LogicalDisplay.java
index 4d1367a3..e3ecf49 100644
--- a/services/core/java/com/android/server/display/LogicalDisplay.java
+++ b/services/core/java/com/android/server/display/LogicalDisplay.java
@@ -429,6 +429,7 @@
             mBaseDisplayInfo.brightnessMaximum = deviceInfo.brightnessMaximum;
             mBaseDisplayInfo.brightnessDefault = deviceInfo.brightnessDefault;
             mBaseDisplayInfo.roundedCorners = deviceInfo.roundedCorners;
+            mBaseDisplayInfo.installOrientation = deviceInfo.installOrientation;
             mPrimaryDisplayDeviceInfo = deviceInfo;
             mInfo.set(null);
         }
diff --git a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
index 5d2a900..2a24489 100644
--- a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
@@ -219,7 +219,6 @@
     }
 
     private static final int MSG_SHOW_IM_SUBTYPE_PICKER = 1;
-    private static final int MSG_SHOW_IM_CONFIG = 3;
 
     private static final int MSG_HIDE_CURRENT_INPUT_METHOD = 1035;
     private static final int MSG_REMOVE_IME_SURFACE = 1060;
@@ -237,8 +236,6 @@
     private static final int MSG_SYSTEM_UNLOCK_USER = 5000;
     private static final int MSG_DISPATCH_ON_INPUT_METHOD_LIST_UPDATED = 5010;
 
-    private static final int MSG_INLINE_SUGGESTIONS_REQUEST = 6000;
-
     private static final int MSG_NOTIFY_IME_UID_TO_AUDIO_SERVICE = 7000;
 
     private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID;
@@ -1957,12 +1954,15 @@
             IInputMethod curMethod = getCurMethodLocked();
             if (userId == mSettings.getCurrentUserId() && imi != null
                     && imi.isInlineSuggestionsEnabled() && curMethod != null) {
-                executeOrSendMessage(curMethod,
-                        mCaller.obtainMessageOOO(MSG_INLINE_SUGGESTIONS_REQUEST, curMethod,
-                                requestInfo, new InlineSuggestionsRequestCallbackDecorator(callback,
-                                        imi.getPackageName(), mCurTokenDisplayId,
-                                        getCurTokenLocked(),
-                                        this)));
+                final IInlineSuggestionsRequestCallback callbackImpl =
+                        new InlineSuggestionsRequestCallbackDecorator(callback,
+                                imi.getPackageName(), mCurTokenDisplayId, getCurTokenLocked(),
+                                this);
+                try {
+                    curMethod.onCreateInlineSuggestionsRequest(requestInfo, callbackImpl);
+                } catch (RemoteException e) {
+                    Slog.w(TAG, "RemoteException calling onCreateInlineSuggestionsRequest()", e);
+                }
             } else {
                 callback.onInlineSuggestionsUnsupported();
             }
@@ -2208,16 +2208,6 @@
         }
     }
 
-    // TODO(b/215609403): This method will be removed soon!
-    private void executeOrSendMessage(IInputMethod target, Message msg) {
-        if (target.asBinder() instanceof Binder) {
-            throw new UnsupportedOperationException(
-                    "InputMethodService is not supported to run in the system_server");
-        }
-        handleMessage(msg);
-        msg.recycle();
-    }
-
     private void executeOrSendMessage(IInputMethodClient target, Message msg) {
          if (target.asBinder() instanceof Binder) {
              // This is supposed to be emulating the one-way semantics when the IME client is
@@ -2347,11 +2337,20 @@
                 curId, getSequenceNumberLocked(), suppressesSpellChecker);
     }
 
+    /**
+     * Called by {@link #startInputOrWindowGainedFocusInternalLocked} to bind/unbind/attach the
+     * selected InputMethod to the given focused IME client.
+     *
+     * Note that this should be called after validating if the IME client has IME focus.
+     *
+     * @see WindowManagerInternal#hasInputMethodClientFocus(IBinder, int, int, int)
+     */
     @GuardedBy("ImfLock.class")
     @NonNull
-    InputBindResult startInputUncheckedLocked(@NonNull ClientState cs, IInputContext inputContext,
-            @NonNull EditorInfo attribute, @StartInputFlags int startInputFlags,
-            @StartInputReason int startInputReason, int unverifiedTargetSdkVersion) {
+    private InputBindResult startInputUncheckedLocked(@NonNull ClientState cs,
+            IInputContext inputContext, @NonNull EditorInfo attribute,
+            @StartInputFlags int startInputFlags, @StartInputReason int startInputReason,
+            int unverifiedTargetSdkVersion) {
         // If no method is currently selected, do nothing.
         String selectedMethodId = getSelectedMethodIdLocked();
         if (selectedMethodId == null) {
@@ -2373,10 +2372,6 @@
             return InputBindResult.INVALID_PACKAGE_NAME;
         }
 
-        if (!mWindowManagerInternal.isUidAllowedOnDisplay(cs.selfReportedDisplayId, cs.uid)) {
-            // Wait, the client no longer has access to the display.
-            return InputBindResult.INVALID_DISPLAY_ID;
-        }
         // Compute the final shown display ID with validated cs.selfReportedDisplayId for this
         // session & other conditions.
         mDisplayIdToShowIme = computeImeDisplayIdForTarget(cs.selfReportedDisplayId,
@@ -3200,14 +3195,11 @@
                     // be made before input is started in it.
                     final ClientState cs = mClients.get(client.asBinder());
                     if (cs == null) {
-                        throw new IllegalArgumentException(
-                                "unknown client " + client.asBinder());
+                        throw new IllegalArgumentException("unknown client " + client.asBinder());
                     }
-                    if (!mWindowManagerInternal.isInputMethodClientFocus(cs.uid, cs.pid,
-                            cs.selfReportedDisplayId)) {
+                    if (!isImeClientFocused(windowToken, cs)) {
                         if (DEBUG) {
-                            Slog.w(TAG,
-                                    "Ignoring hideSoftInput of uid " + uid + ": " + client);
+                            Slog.w(TAG, "Ignoring hideSoftInput of uid " + uid + ": " + client);
                         }
                         return false;
                     }
@@ -3277,6 +3269,12 @@
         return res;
     }
 
+    private boolean isImeClientFocused(IBinder windowToken, ClientState cs) {
+        final int imeClientFocus = mWindowManagerInternal.hasInputMethodClientFocus(
+                windowToken, cs.uid, cs.pid, cs.selfReportedDisplayId);
+        return imeClientFocus == WindowManagerInternal.ImeClientFocusResult.HAS_IME_FOCUS;
+    }
+
     @NonNull
     @Override
     public InputBindResult startInputOrWindowGainedFocus(
@@ -3370,31 +3368,30 @@
                     + " unverifiedTargetSdkVersion=" + unverifiedTargetSdkVersion);
         }
 
-        final int windowDisplayId = mWindowManagerInternal.getDisplayIdForWindow(windowToken);
-
         final ClientState cs = mClients.get(client.asBinder());
         if (cs == null) {
             throw new IllegalArgumentException("unknown client " + client.asBinder());
         }
-        if (cs.selfReportedDisplayId != windowDisplayId) {
-            Slog.e(TAG, "startInputOrWindowGainedFocusInternal: display ID mismatch."
-                    + " from client:" + cs.selfReportedDisplayId
-                    + " from window:" + windowDisplayId);
-            return InputBindResult.DISPLAY_ID_MISMATCH;
-        }
 
-        if (!mWindowManagerInternal.isInputMethodClientFocus(cs.uid, cs.pid,
-                cs.selfReportedDisplayId)) {
-            // Check with the window manager to make sure this client actually
-            // has a window with focus.  If not, reject.  This is thread safe
-            // because if the focus changes some time before or after, the
-            // next client receiving focus that has any interest in input will
-            // be calling through here after that change happens.
-            if (DEBUG) {
-                Slog.w(TAG, "Focus gain on non-focused client " + cs.client
-                        + " (uid=" + cs.uid + " pid=" + cs.pid + ")");
-            }
-            return InputBindResult.NOT_IME_TARGET_WINDOW;
+        final int imeClientFocus = mWindowManagerInternal.hasInputMethodClientFocus(
+                windowToken, cs.uid, cs.pid, cs.selfReportedDisplayId);
+        switch (imeClientFocus) {
+            case WindowManagerInternal.ImeClientFocusResult.DISPLAY_ID_MISMATCH:
+                Slog.e(TAG, "startInputOrWindowGainedFocusInternal: display ID mismatch.");
+                return InputBindResult.DISPLAY_ID_MISMATCH;
+            case WindowManagerInternal.ImeClientFocusResult.NOT_IME_TARGET_WINDOW:
+                // Check with the window manager to make sure this client actually
+                // has a window with focus.  If not, reject.  This is thread safe
+                // because if the focus changes some time before or after, the
+                // next client receiving focus that has any interest in input will
+                // be calling through here after that change happens.
+                if (DEBUG) {
+                    Slog.w(TAG, "Focus gain on non-focused client " + cs.client
+                            + " (uid=" + cs.uid + " pid=" + cs.pid + ")");
+                }
+                return InputBindResult.NOT_IME_TARGET_WINDOW;
+            case WindowManagerInternal.ImeClientFocusResult.INVALID_DISPLAY_ID:
+                return InputBindResult.INVALID_DISPLAY_ID;
         }
 
         if (mUserSwitchHandlerTask != null) {
@@ -3622,8 +3619,7 @@
             if (cs == null) {
                 throw new IllegalArgumentException("unknown client " + client.asBinder());
             }
-            if (!mWindowManagerInternal.isInputMethodClientFocus(cs.uid, cs.pid,
-                    cs.selfReportedDisplayId)) {
+            if (!isImeClientFocused(mCurFocusedWindow, cs)) {
                 Slog.w(TAG, String.format("Ignoring %s of uid %d : %s", methodName, uid, client));
                 return false;
             }
@@ -4264,10 +4260,6 @@
                 mMenuController.showInputMethodMenu(showAuxSubtypes, displayId);
                 return true;
 
-            case MSG_SHOW_IM_CONFIG:
-                showConfigureInputMethods();
-                return true;
-
             // ---------------------------------------------------------
 
             case MSG_HIDE_CURRENT_INPUT_METHOD:
@@ -4381,23 +4373,6 @@
             }
 
             // ---------------------------------------------------------------
-            case MSG_INLINE_SUGGESTIONS_REQUEST: {
-                args = (SomeArgs) msg.obj;
-                final InlineSuggestionsRequestInfo requestInfo =
-                        (InlineSuggestionsRequestInfo) args.arg2;
-                final IInlineSuggestionsRequestCallback callback =
-                        (IInlineSuggestionsRequestCallback) args.arg3;
-                try {
-                    ((IInputMethod) args.arg1).onCreateInlineSuggestionsRequest(requestInfo,
-                            callback);
-                } catch (RemoteException e) {
-                    Slog.w(TAG, "RemoteException calling onCreateInlineSuggestionsRequest(): " + e);
-                }
-                args.recycle();
-                return true;
-            }
-
-            // ---------------------------------------------------------------
             case MSG_NOTIFY_IME_UID_TO_AUDIO_SERVICE: {
                 if (mAudioManagerInternal == null) {
                     mAudioManagerInternal = LocalServices.getService(AudioManagerInternal.class);
@@ -4685,14 +4660,6 @@
         mContext.startActivityAsUser(intent, null, UserHandle.of(userId));
     }
 
-    private void showConfigureInputMethods() {
-        Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS);
-        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
-                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
-                | Intent.FLAG_ACTIVITY_CLEAR_TOP);
-        mContext.startActivityAsUser(intent, null, UserHandle.CURRENT);
-    }
-
     // ----------------------------------------------------------------------
 
     /**
diff --git a/services/core/java/com/android/server/locksettings/LockSettingsService.java b/services/core/java/com/android/server/locksettings/LockSettingsService.java
index 682a27a..8f05130 100644
--- a/services/core/java/com/android/server/locksettings/LockSettingsService.java
+++ b/services/core/java/com/android/server/locksettings/LockSettingsService.java
@@ -20,6 +20,9 @@
 import static android.Manifest.permission.MANAGE_BIOMETRIC;
 import static android.Manifest.permission.READ_CONTACTS;
 import static android.Manifest.permission.SET_AND_VERIFY_LOCKSCREEN_CREDENTIALS;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PROFILE_ENCRYPTED_DETAIL;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PROFILE_ENCRYPTED_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PROFILE_ENCRYPTED_TITLE;
 import static android.content.Context.KEYGUARD_SERVICE;
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 import static android.os.UserHandle.USER_ALL;
@@ -117,6 +120,7 @@
 import android.util.Slog;
 import android.util.SparseArray;
 
+import com.android.internal.R;
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
@@ -642,12 +646,9 @@
 
     private void showEncryptionNotificationForProfile(UserHandle user) {
         Resources r = mContext.getResources();
-        CharSequence title = r.getText(
-                com.android.internal.R.string.profile_encrypted_title);
-        CharSequence message = r.getText(
-                com.android.internal.R.string.profile_encrypted_message);
-        CharSequence detail = r.getText(
-                com.android.internal.R.string.profile_encrypted_detail);
+        CharSequence title = getEncryptionNotificationTitle();
+        CharSequence message = getEncryptionNotificationMessage();
+        CharSequence detail = getEncryptionNotificationDetail();
 
         final KeyguardManager km = (KeyguardManager) mContext.getSystemService(KEYGUARD_SERVICE);
         final Intent unlockIntent = km.createConfirmDeviceCredentialIntent(null, null,
@@ -663,6 +664,24 @@
         showEncryptionNotification(user, title, message, detail, intent);
     }
 
+    private String getEncryptionNotificationTitle() {
+        return mInjector.getDevicePolicyManager().getString(
+                PROFILE_ENCRYPTED_TITLE,
+                () -> mContext.getString(R.string.profile_encrypted_title));
+    }
+
+    private String getEncryptionNotificationDetail() {
+        return mInjector.getDevicePolicyManager().getString(
+                PROFILE_ENCRYPTED_DETAIL,
+                () -> mContext.getString(R.string.profile_encrypted_detail));
+    }
+
+    private String getEncryptionNotificationMessage() {
+        return mInjector.getDevicePolicyManager().getString(
+                PROFILE_ENCRYPTED_MESSAGE,
+                () -> mContext.getString(R.string.profile_encrypted_message));
+    }
+
     private void showEncryptionNotification(UserHandle user, CharSequence title,
             CharSequence message, CharSequence detail, PendingIntent intent) {
         if (DEBUG) Slog.v(TAG, "showing encryption notification, user: " + user.getIdentifier());
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index a8383b6..e555c13 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -63,7 +63,6 @@
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_METERED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING;
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
-import static android.net.NetworkIdentity.OEM_NONE;
 import static android.net.NetworkPolicy.LIMIT_DISABLED;
 import static android.net.NetworkPolicy.SNOOZE_NEVER;
 import static android.net.NetworkPolicy.WARNING_DISABLED;
@@ -1498,13 +1497,11 @@
         for (int i = 0; i < mSubIdToSubscriberId.size(); i++) {
             final int subId = mSubIdToSubscriberId.keyAt(i);
             final String subscriberId = mSubIdToSubscriberId.valueAt(i);
-            final NetworkIdentity probeIdent = new NetworkIdentity(TYPE_MOBILE,
-                    TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true,
-                    true, OEM_NONE);
-            /* While OEM_NONE indicates "any non OEM managed network", OEM_NONE is meant to be a
-             * placeholder value here. The probeIdent is matched against a NetworkTemplate which
-             * should have its OEM managed value set to OEM_MANAGED_ALL, which will cause the
-             * template to match probeIdent without regard to OEM managed status. */
+            final NetworkIdentity probeIdent = new NetworkIdentity.Builder()
+                    .setType(TYPE_MOBILE)
+                    .setSubscriberId(subscriberId)
+                    .setMetered(true)
+                    .setDefaultNetwork(true).build();
             if (template.matches(probeIdent)) {
                 return subId;
             }
@@ -1737,9 +1734,11 @@
 
         // find and update the carrier NetworkPolicy for this subscriber id
         boolean policyUpdated = false;
-        final NetworkIdentity probeIdent = new NetworkIdentity(TYPE_MOBILE,
-                TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true, true,
-                OEM_NONE);
+        final NetworkIdentity probeIdent = new NetworkIdentity.Builder()
+                .setType(TYPE_MOBILE)
+                .setSubscriberId(subscriberId)
+                .setMetered(true)
+                .setDefaultNetwork(true).build();
         for (int i = mNetworkPolicy.size() - 1; i >= 0; i--) {
             final NetworkTemplate template = mNetworkPolicy.keyAt(i);
             if (template.matches(probeIdent)) {
@@ -1967,10 +1966,11 @@
                 for (int i = 0; i < mSubIdToSubscriberId.size(); i++) {
                     final int subId = mSubIdToSubscriberId.keyAt(i);
                     final String subscriberId = mSubIdToSubscriberId.valueAt(i);
-
-                    final NetworkIdentity probeIdent = new NetworkIdentity(TYPE_MOBILE,
-                            TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true,
-                            true, OEM_NONE);
+                    final NetworkIdentity probeIdent = new NetworkIdentity.Builder()
+                            .setType(TYPE_MOBILE)
+                            .setSubscriberId(subscriberId)
+                            .setMetered(true)
+                            .setDefaultNetwork(true).build();
                     // Template is matched when subscriber id matches.
                     if (template.matches(probeIdent)) {
                         matchingSubIds.add(subId);
@@ -2074,11 +2074,9 @@
         for (final NetworkStateSnapshot snapshot : snapshots) {
             mNetIdToSubId.put(snapshot.getNetwork().getNetId(), parseSubId(snapshot));
 
-            // Policies matched by NPMS only match by subscriber ID or by network ID. Thus subtype
-            // in the object created here is never used and its value doesn't matter, so use
-            // NETWORK_TYPE_UNKNOWN.
-            final NetworkIdentity ident = NetworkIdentity.buildNetworkIdentity(mContext, snapshot,
-                    true, TelephonyManager.NETWORK_TYPE_UNKNOWN /* subType */);
+            // Policies matched by NPMS only match by subscriber ID or by network ID.
+            final NetworkIdentity ident = new NetworkIdentity.Builder()
+                    .setNetworkStateSnapshot(snapshot).setDefaultNetwork(true).build();
             identified.put(snapshot, ident);
         }
 
@@ -2275,9 +2273,11 @@
     @GuardedBy("mNetworkPoliciesSecondLock")
     private boolean ensureActiveCarrierPolicyAL(int subId, String subscriberId) {
         // Poke around to see if we already have a policy
-        final NetworkIdentity probeIdent = new NetworkIdentity(TYPE_MOBILE,
-                TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true, true,
-                OEM_NONE);
+        final NetworkIdentity probeIdent = new NetworkIdentity.Builder()
+                .setType(TYPE_MOBILE)
+                .setSubscriberId(subscriberId)
+                .setMetered(true)
+                .setDefaultNetwork(true).build();
         for (int i = mNetworkPolicy.size() - 1; i >= 0; i--) {
             final NetworkTemplate template = mNetworkPolicy.keyAt(i);
             if (template.matches(probeIdent)) {
@@ -2687,7 +2687,7 @@
         final List<WifiConfiguration> configs = wm.getConfiguredNetworks();
         for (int i = 0; i < configs.size(); ++i) {
             final WifiConfiguration config = configs.get(i);
-            for (String key : config.getAllPersistableNetworkKeys()) {
+            for (String key : config.getAllNetworkKeys()) {
                 final Boolean metered = wifiNetworkKeys.get(key);
                 if (metered != null) {
                     Slog.d(TAG, "Found network " + key + "; upgrading metered hint");
diff --git a/services/core/java/com/android/server/pm/PackageInstallerService.java b/services/core/java/com/android/server/pm/PackageInstallerService.java
index 1f10d77..ccc375f 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerService.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerService.java
@@ -16,6 +16,8 @@
 
 package com.android.server.pm;
 
+import static android.app.admin.DevicePolicyResources.Strings.Core.PACKAGE_DELETED_BY_DO;
+
 import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT;
 import static org.xmlpull.v1.XmlPullParser.START_TAG;
 
@@ -29,6 +31,7 @@
 import android.app.NotificationManager;
 import android.app.PackageDeleteObserver;
 import android.app.admin.DevicePolicyEventLogger;
+import android.app.admin.DevicePolicyManager;
 import android.app.admin.DevicePolicyManagerInternal;
 import android.content.Context;
 import android.content.Intent;
@@ -1312,7 +1315,7 @@
             mPackageName = packageName;
             if (showNotification) {
                 mNotification = buildSuccessNotification(mContext,
-                        mContext.getResources().getString(R.string.package_deleted_device_owner),
+                        getDeviceOwnerDeletedPackageMsg(),
                         packageName,
                         userId);
             } else {
@@ -1320,6 +1323,12 @@
             }
         }
 
+        private String getDeviceOwnerDeletedPackageMsg() {
+            DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+            return dpm.getString(PACKAGE_DELETED_BY_DO,
+                    () -> mContext.getString(R.string.package_updated_device_owner));
+        }
+
         @Override
         public void onUserActionRequired(Intent intent) {
             if (mTarget == null) {
diff --git a/services/core/java/com/android/server/pm/PackageInstallerSession.java b/services/core/java/com/android/server/pm/PackageInstallerSession.java
index e0f1b0b..d9ade96 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerSession.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerSession.java
@@ -17,6 +17,8 @@
 package com.android.server.pm;
 
 import static android.app.AppOpsManager.MODE_DEFAULT;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PACKAGE_INSTALLED_BY_DO;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PACKAGE_UPDATED_BY_DO;
 import static android.content.pm.DataLoaderType.INCREMENTAL;
 import static android.content.pm.DataLoaderType.STREAMING;
 import static android.content.pm.PackageInstaller.LOCATION_DATA_APP;
@@ -56,6 +58,7 @@
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.admin.DevicePolicyEventLogger;
+import android.app.admin.DevicePolicyManager;
 import android.app.admin.DevicePolicyManagerInternal;
 import android.content.ComponentName;
 import android.content.Context;
@@ -91,7 +94,6 @@
 import android.content.pm.parsing.ApkLite;
 import android.content.pm.parsing.ApkLiteParseUtils;
 import android.content.pm.parsing.PackageLite;
-import com.android.server.pm.pkg.parsing.ParsingPackageUtils;
 import android.content.pm.parsing.result.ParseResult;
 import android.content.pm.parsing.result.ParseTypeImpl;
 import android.graphics.Bitmap;
@@ -156,6 +158,7 @@
 import com.android.server.pm.dex.DexManager;
 import com.android.server.pm.parsing.pkg.AndroidPackage;
 import com.android.server.pm.pkg.PackageStateInternal;
+import com.android.server.pm.pkg.parsing.ParsingPackageUtils;
 
 import libcore.io.IoUtils;
 import libcore.util.EmptyArray;
@@ -4336,9 +4339,7 @@
         if (INSTALL_SUCCEEDED == returnCode && showNotification) {
             boolean update = (extras != null) && extras.getBoolean(Intent.EXTRA_REPLACING);
             Notification notification = PackageInstallerService.buildSuccessNotification(context,
-                    context.getResources()
-                            .getString(update ? R.string.package_updated_device_owner :
-                                    R.string.package_installed_device_owner),
+                    getDeviceOwnerInstalledPackageMsg(context, update),
                     basePackageName,
                     userId);
             if (notification != null) {
@@ -4370,6 +4371,15 @@
         }
     }
 
+    private static String getDeviceOwnerInstalledPackageMsg(Context context, boolean update) {
+        DevicePolicyManager dpm = context.getSystemService(DevicePolicyManager.class);
+        return update
+                ? dpm.getString(PACKAGE_UPDATED_BY_DO,
+                    () -> context.getString(R.string.package_updated_device_owner))
+                : dpm.getString(PACKAGE_INSTALLED_BY_DO,
+                    () -> context.getString(R.string.package_installed_device_owner));
+    }
+
     /**
      * This method doesn't change internal states and is safe to call outside the lock.
      */
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 733b327..e00f4f5 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -950,6 +950,7 @@
     final @Nullable String mRetailDemoPackage;
     final @Nullable String mOverlayConfigSignaturePackage;
     final @Nullable String mRecentsPackage;
+    final @Nullable String mAmbientContextDetectionPackage;
 
     @GuardedBy("mLock")
     private final PackageUsage mPackageUsage = new PackageUsage();
@@ -1668,6 +1669,7 @@
         mSystemTextClassifierPackageName = testParams.systemTextClassifierPackage;
         mRetailDemoPackage = testParams.retailDemoPackage;
         mRecentsPackage = testParams.recentsPackage;
+        mAmbientContextDetectionPackage = testParams.ambientContextDetectionPackage;
         mConfiguratorPackage = testParams.configuratorPackage;
         mAppPredictionServicePackage = testParams.appPredictionServicePackage;
         mIncidentReportApproverPackage = testParams.incidentReportApproverPackage;
@@ -1995,6 +1997,7 @@
             mRetailDemoPackage = getRetailDemoPackageName();
             mOverlayConfigSignaturePackage = getOverlayConfigSignaturePackageName();
             mRecentsPackage = getRecentsPackageName();
+            mAmbientContextDetectionPackage = getAmbientContextDetectionPackageName();
 
             // Now that we know all of the shared libraries, update all clients to have
             // the correct library paths.
@@ -5618,6 +5621,11 @@
         return mPmInternal.getSetupWizardPackageName();
     }
 
+    public @Nullable String getAmbientContextDetectionPackageName() {
+        return ensureSystemPackageName(getPackageFromComponentString(
+                        R.string.config_defaultAmbientContextDetectionService));
+    }
+
     public String getIncidentReportApproverPackageName() {
         return ensureSystemPackageName(mContext.getString(
                 R.string.config_incidentReportApproverPackage));
@@ -8693,6 +8701,8 @@
                 return mComputer.filterOnlySystemPackages(mConfiguratorPackage);
             case PackageManagerInternal.PACKAGE_INCIDENT_REPORT_APPROVER:
                 return mComputer.filterOnlySystemPackages(mIncidentReportApproverPackage);
+            case PackageManagerInternal.PACKAGE_AMBIENT_CONTEXT_DETECTION:
+                return mComputer.filterOnlySystemPackages(mAmbientContextDetectionPackage);
             case PackageManagerInternal.PACKAGE_APP_PREDICTOR:
                 return mComputer.filterOnlySystemPackages(mAppPredictionServicePackage);
             case PackageManagerInternal.PACKAGE_COMPANION:
diff --git a/services/core/java/com/android/server/pm/PackageManagerServiceTestParams.java b/services/core/java/com/android/server/pm/PackageManagerServiceTestParams.java
index 0d6555c..db60686 100644
--- a/services/core/java/com/android/server/pm/PackageManagerServiceTestParams.java
+++ b/services/core/java/com/android/server/pm/PackageManagerServiceTestParams.java
@@ -91,6 +91,7 @@
     public ViewCompiler viewCompiler;
     public @Nullable String retailDemoPackage;
     public @Nullable String recentsPackage;
+    public @Nullable String ambientContextDetectionPackage;
     public ComponentName resolveComponentName;
     public ArrayMap<String, AndroidPackage> packages;
     public boolean enableFreeCacheV2;
diff --git a/services/core/java/com/android/server/pm/UserManagerService.java b/services/core/java/com/android/server/pm/UserManagerService.java
index d29dbbc..d6e88f4 100644
--- a/services/core/java/com/android/server/pm/UserManagerService.java
+++ b/services/core/java/com/android/server/pm/UserManagerService.java
@@ -3675,9 +3675,18 @@
             @UserInfoFlag int flags, @UserIdInt int parentId,
             @Nullable String[] disallowedPackages)
             throws UserManager.CheckedUserOperationException {
-        String restriction = (UserManager.isUserTypeManagedProfile(userType))
-                ? UserManager.DISALLOW_ADD_MANAGED_PROFILE
-                : UserManager.DISALLOW_ADD_USER;
+
+        // Checking user restriction before creating new user,
+        // default check is for DISALLOW_ADD_USER
+        // If new user is of type CLONE, check if creation of clone profile is allowed
+        // If new user is of type MANAGED, check if creation of managed profile is allowed
+        String restriction = UserManager.DISALLOW_ADD_USER;
+        if (UserManager.isUserTypeCloneProfile(userType)) {
+            restriction = UserManager.DISALLOW_ADD_CLONE_PROFILE;
+        } else if (UserManager.isUserTypeManagedProfile(userType)) {
+            restriction = UserManager.DISALLOW_ADD_MANAGED_PROFILE;
+        }
+
         enforceUserRestriction(restriction, UserHandle.getCallingUserId(),
                 "Cannot add user");
         return createUserInternalUnchecked(name, userType, flags, parentId,
diff --git a/services/core/java/com/android/server/pm/UserRestrictionsUtils.java b/services/core/java/com/android/server/pm/UserRestrictionsUtils.java
index 0f3b4bc..1fa9013 100644
--- a/services/core/java/com/android/server/pm/UserRestrictionsUtils.java
+++ b/services/core/java/com/android/server/pm/UserRestrictionsUtils.java
@@ -101,6 +101,7 @@
             UserManager.DISALLOW_FACTORY_RESET,
             UserManager.DISALLOW_ADD_USER,
             UserManager.DISALLOW_ADD_MANAGED_PROFILE,
+            UserManager.DISALLOW_ADD_CLONE_PROFILE,
             UserManager.ENSURE_VERIFY_APPS,
             UserManager.DISALLOW_CONFIG_CELL_BROADCASTS,
             UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS,
diff --git a/services/core/java/com/android/server/tv/interactive/TvInteractiveAppManagerService.java b/services/core/java/com/android/server/tv/interactive/TvInteractiveAppManagerService.java
index 35cc43f..b3649a7 100644
--- a/services/core/java/com/android/server/tv/interactive/TvInteractiveAppManagerService.java
+++ b/services/core/java/com/android/server/tv/interactive/TvInteractiveAppManagerService.java
@@ -34,6 +34,7 @@
 import android.media.tv.BroadcastInfoRequest;
 import android.media.tv.BroadcastInfoResponse;
 import android.media.tv.TvTrackInfo;
+import android.media.tv.interactive.AppLinkInfo;
 import android.media.tv.interactive.ITvInteractiveAppClient;
 import android.media.tv.interactive.ITvInteractiveAppManager;
 import android.media.tv.interactive.ITvInteractiveAppManagerCallback;
@@ -95,6 +96,10 @@
     @GuardedBy("mLock")
     private final SparseArray<UserState> mUserStates = new SparseArray<>();
 
+    // TODO: remove mGetServiceListCalled if onBootPhrase work correctly
+    @GuardedBy("mLock")
+    private boolean mGetServiceListCalled = false;
+
     private final UserManager mUserManager;
 
     /**
@@ -638,6 +643,10 @@
             final long identity = Binder.clearCallingIdentity();
             try {
                 synchronized (mLock) {
+                    if (!mGetServiceListCalled) {
+                        buildTvInteractiveAppServiceListLocked(userId, null);
+                        mGetServiceListCalled = true;
+                    }
                     UserState userState = getOrCreateUserStateLocked(resolvedUserId);
                     List<TvInteractiveAppInfo> iAppList = new ArrayList<>();
                     for (TvInteractiveAppState state : userState.mIAppMap.values()) {
@@ -687,9 +696,9 @@
         }
 
         @Override
-        public void registerAppLinkInfo(String tiasId, Bundle appLinkInfo, int userId) {
+        public void registerAppLinkInfo(String tiasId, AppLinkInfo appLinkInfo, int userId) {
             final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(),
-                    Binder.getCallingUid(), userId, "registerAppLinkInfo");
+                    Binder.getCallingUid(), userId, "registerAppLinkInfo: " + appLinkInfo);
             final long identity = Binder.clearCallingIdentity();
             try {
                 synchronized (mLock) {
@@ -723,9 +732,9 @@
         }
 
         @Override
-        public void unregisterAppLinkInfo(String tiasId, Bundle appLinkInfo, int userId) {
+        public void unregisterAppLinkInfo(String tiasId, AppLinkInfo appLinkInfo, int userId) {
             final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(),
-                    Binder.getCallingUid(), userId, "unregisterAppLinkInfo");
+                    Binder.getCallingUid(), userId, "unregisterAppLinkInfo: " + appLinkInfo);
             final long identity = Binder.clearCallingIdentity();
             try {
                 synchronized (mLock) {
@@ -1811,7 +1820,7 @@
         private final ServiceConnection mConnection;
         private final ComponentName mComponent;
         private final String mIAppServiceId;
-        private final List<Pair<Bundle, Boolean>> mPendingAppLinkInfo = new ArrayList<>();
+        private final List<Pair<AppLinkInfo, Boolean>> mPendingAppLinkInfo = new ArrayList<>();
         private final List<Bundle> mPendingAppLinkCommand = new ArrayList<>();
 
         private boolean mPendingPrepare = false;
@@ -1834,7 +1843,7 @@
             mIAppServiceId = tias;
         }
 
-        private void addPendingAppLink(Bundle info, boolean register) {
+        private void addPendingAppLink(AppLinkInfo info, boolean register) {
             mPendingAppLinkInfo.add(Pair.create(info, register));
         }
 
@@ -1891,10 +1900,10 @@
                 }
 
                 if (!serviceState.mPendingAppLinkInfo.isEmpty()) {
-                    for (Iterator<Pair<Bundle, Boolean>> it =
+                    for (Iterator<Pair<AppLinkInfo, Boolean>> it =
                             serviceState.mPendingAppLinkInfo.iterator();
                             it.hasNext(); ) {
-                        Pair<Bundle, Boolean> appLinkInfoPair = it.next();
+                        Pair<AppLinkInfo, Boolean> appLinkInfoPair = it.next();
                         final long identity = Binder.clearCallingIdentity();
                         try {
                             if (appLinkInfoPair.second) {
diff --git a/services/core/java/com/android/server/uri/UriGrantsManagerService.java b/services/core/java/com/android/server/uri/UriGrantsManagerService.java
index 3442704..6aa06e8 100644
--- a/services/core/java/com/android/server/uri/UriGrantsManagerService.java
+++ b/services/core/java/com/android/server/uri/UriGrantsManagerService.java
@@ -104,7 +104,8 @@
 import java.util.Objects;
 
 /** Manages uri grants. */
-public class UriGrantsManagerService extends IUriGrantsManager.Stub {
+public class UriGrantsManagerService extends IUriGrantsManager.Stub implements
+        UriMetricsHelper.PersistentUriGrantsProvider {
     private static final boolean DEBUG = false;
     private static final String TAG = "UriGrantsManagerService";
     // Maximum number of persisted Uri grants a package is allowed
@@ -115,6 +116,7 @@
     private final H mH;
     ActivityManagerInternal mAmInternal;
     PackageManagerInternal mPmInternal;
+    UriMetricsHelper mMetricsHelper;
 
     /** File storing persisted {@link #mGrantedUriPermissions}. */
     private final AtomicFile mGrantFile;
@@ -168,16 +170,19 @@
     }
 
     public static final class Lifecycle extends SystemService {
+        private final Context mContext;
         private final UriGrantsManagerService mService;
 
         public Lifecycle(Context context) {
             super(context);
+            mContext = context;
             mService = new UriGrantsManagerService();
         }
 
         @Override
         public void onStart() {
             publishBinderService(Context.URI_GRANTS_SERVICE, mService);
+            mService.mMetricsHelper = new UriMetricsHelper(mContext, mService);
             mService.start();
         }
 
@@ -186,6 +191,7 @@
             if (phase == PHASE_SYSTEM_SERVICES_READY) {
                 mService.mAmInternal = LocalServices.getService(ActivityManagerInternal.class);
                 mService.mPmInternal = LocalServices.getService(PackageManagerInternal.class);
+                mService.mMetricsHelper.registerPuller();
             }
         }
 
@@ -1298,20 +1304,50 @@
         return false;
     }
 
+    @Override
+    public ArrayList<UriPermission> providePersistentUriGrants() {
+        final ArrayList<UriPermission> result = new ArrayList<>();
+
+        synchronized (mLock) {
+            final int size = mGrantedUriPermissions.size();
+            for (int i = 0; i < size; i++) {
+                final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i);
+
+                final int permissionsForPackageSize = perms.size();
+                for (int j = 0; j < permissionsForPackageSize; j++) {
+                    final UriPermission permission = perms.valueAt(j);
+
+                    if (permission.persistedModeFlags != 0) {
+                        result.add(permission);
+                    }
+                }
+            }
+        }
+
+        return result;
+    }
+
     private void writeGrantedUriPermissions() {
         if (DEBUG) Slog.v(TAG, "writeGrantedUriPermissions()");
 
         final long startTime = SystemClock.uptimeMillis();
 
+        int persistentUriPermissionsCount = 0;
+
         // Snapshot permissions so we can persist without lock
         ArrayList<UriPermission.Snapshot> persist = Lists.newArrayList();
         synchronized (mLock) {
             final int size = mGrantedUriPermissions.size();
             for (int i = 0; i < size; i++) {
                 final ArrayMap<GrantUri, UriPermission> perms = mGrantedUriPermissions.valueAt(i);
-                for (UriPermission perm : perms.values()) {
-                    if (perm.persistedModeFlags != 0) {
-                        persist.add(perm.snapshot());
+
+                final int permissionsForPackageSize = perms.size();
+                for (int j = 0; j < permissionsForPackageSize; j++) {
+                    final UriPermission permission = perms.valueAt(j);
+
+                    if (permission.persistedModeFlags != 0) {
+                        persistentUriPermissionsCount++;
+                        persist.add(permission.snapshot());
                     }
                 }
             }
@@ -1345,6 +1381,8 @@
                 mGrantFile.failWrite(fos);
             }
         }
+
+        mMetricsHelper.reportPersistentUriFlushed(persistentUriPermissionsCount);
     }
 
     final class H extends Handler {
diff --git a/services/core/java/com/android/server/uri/UriMetricsHelper.java b/services/core/java/com/android/server/uri/UriMetricsHelper.java
new file mode 100644
index 0000000..dbc9599
--- /dev/null
+++ b/services/core/java/com/android/server/uri/UriMetricsHelper.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.uri;
+
+import static com.android.internal.util.ConcurrentUtils.DIRECT_EXECUTOR;
+
+import android.app.StatsManager;
+import android.content.Context;
+import android.util.SparseArray;
+import android.util.StatsEvent;
+
+import com.android.internal.util.FrameworkStatsLog;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+final class UriMetricsHelper {
+
+    private static final StatsManager.PullAtomMetadata DAILY_PULL_METADATA =
+            new StatsManager.PullAtomMetadata.Builder()
+                    .setCoolDownMillis(TimeUnit.DAYS.toMillis(1))
+                    .build();
+
+
+    private final Context mContext;
+    private final PersistentUriGrantsProvider mPersistentUriGrantsProvider;
+
+    UriMetricsHelper(Context context, PersistentUriGrantsProvider provider) {
+        mContext = context;
+        mPersistentUriGrantsProvider = provider;
+    }
+
+    void registerPuller() {
+        final StatsManager statsManager = mContext.getSystemService(StatsManager.class);
+        statsManager.setPullAtomCallback(
+                FrameworkStatsLog.PERSISTENT_URI_PERMISSIONS_AMOUNT_PER_PACKAGE,
+                DAILY_PULL_METADATA,
+                DIRECT_EXECUTOR,
+                (atomTag, data) -> {
+                    reportPersistentUriPermissionsPerPackage(data);
+                    return StatsManager.PULL_SUCCESS;
+                });
+    }
+
+    void reportPersistentUriFlushed(int amount) {
+        FrameworkStatsLog.write(
+                FrameworkStatsLog.PERSISTENT_URI_PERMISSIONS_FLUSHED,
+                amount
+        );
+    }
+
+    private void reportPersistentUriPermissionsPerPackage(List<StatsEvent> data) {
+        final ArrayList<UriPermission> persistentUriGrants =
+                mPersistentUriGrantsProvider.providePersistentUriGrants();
+
+        final SparseArray<Integer> perUidCount = new SparseArray<>();
+
+        final int persistentUriGrantsSize = persistentUriGrants.size();
+        for (int i = 0; i < persistentUriGrantsSize; i++) {
+            final UriPermission uriPermission = persistentUriGrants.get(i);
+
+            perUidCount.put(
+                    uriPermission.targetUid,
+                    perUidCount.get(uriPermission.targetUid, 0) + 1
+            );
+        }
+
+        final int perUidCountSize = perUidCount.size();
+        for (int i = 0; i < perUidCountSize; i++) {
+            final int uid = perUidCount.keyAt(i);
+            final int amount = perUidCount.valueAt(i);
+
+            data.add(
+                    FrameworkStatsLog.buildStatsEvent(
+                            FrameworkStatsLog.PERSISTENT_URI_PERMISSIONS_AMOUNT_PER_PACKAGE,
+                            uid,
+                            amount
+                    )
+            );
+        }
+    }
+
+    interface PersistentUriGrantsProvider {
+        ArrayList<UriPermission> providePersistentUriGrants();
+    }
+}
diff --git a/services/core/java/com/android/server/vibrator/VibrationSettings.java b/services/core/java/com/android/server/vibrator/VibrationSettings.java
index 6c5d952..eafd9d7 100644
--- a/services/core/java/com/android/server/vibrator/VibrationSettings.java
+++ b/services/core/java/com/android/server/vibrator/VibrationSettings.java
@@ -179,7 +179,7 @@
         try {
             ActivityManager.getService().registerUidObserver(mUidObserver,
                     ActivityManager.UID_OBSERVER_PROCSTATE | ActivityManager.UID_OBSERVER_GONE,
-                    ActivityManager.PROCESS_STATE_UNKNOWN, null);
+                    ActivityManager.PROCESS_STATE_UNKNOWN, mContext.getOpPackageName());
         } catch (RemoteException e) {
             // ignored; both services live in system_server
         }
diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index 86ef8d2..76434c7 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -7364,12 +7364,17 @@
 
     @VisibleForTesting
     void clearSizeCompatMode() {
+        final float lastSizeCompatScale = mSizeCompatScale;
         mInSizeCompatModeForBounds = false;
         mSizeCompatScale = 1f;
         mSizeCompatBounds = null;
         mCompatDisplayInsets = null;
+        if (mSizeCompatScale != lastSizeCompatScale) {
+            forAllWindows(WindowState::updateGlobalScale, false /* traverseTopToBottom */);
+        }
 
-        onRequestedOverrideConfigurationChanged(getRequestedOverrideConfiguration());
+        // Clear config override in #updateCompatDisplayInsets().
+        onRequestedOverrideConfigurationChanged(EMPTY);
     }
 
     @Override
@@ -7924,6 +7929,7 @@
         final int contentH = resolvedAppBounds.height();
         final int viewportW = containerAppBounds.width();
         final int viewportH = containerAppBounds.height();
+        final float lastSizeCompatScale = mSizeCompatScale;
         // Only allow to scale down.
         mSizeCompatScale = (contentW <= viewportW && contentH <= viewportH)
                 ? 1f : Math.min((float) viewportW / contentW, (float) viewportH / contentH);
@@ -7942,6 +7948,9 @@
         } else {
             mSizeCompatBounds = null;
         }
+        if (mSizeCompatScale != lastSizeCompatScale) {
+            forAllWindows(WindowState::updateGlobalScale, false /* traverseTopToBottom */);
+        }
 
         // Vertically center within parent (bounds) - this is a UX choice and exclude the horizontal
         // decor if needed. Horizontal position is adjusted in
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index c65ca08..e449dde 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -122,6 +122,7 @@
 import static com.android.server.wm.DisplayContentProto.INPUT_METHOD_TARGET;
 import static com.android.server.wm.DisplayContentProto.INSETS_SOURCE_PROVIDERS;
 import static com.android.server.wm.DisplayContentProto.IS_SLEEPING;
+import static com.android.server.wm.DisplayContentProto.KEEP_CLEAR_AREAS;
 import static com.android.server.wm.DisplayContentProto.OPENING_APPS;
 import static com.android.server.wm.DisplayContentProto.RESUMED_ACTIVITY;
 import static com.android.server.wm.DisplayContentProto.ROOT_DISPLAY_AREA;
@@ -169,6 +170,7 @@
 import android.graphics.Bitmap;
 import android.graphics.ColorSpace;
 import android.graphics.Insets;
+import android.graphics.Matrix;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.graphics.Region;
@@ -838,7 +840,6 @@
             }
             w.mSurfacePlacementNeeded = true;
             w.mLayoutNeeded = false;
-            w.prelayout();
             final boolean firstLayout = !w.isLaidOut();
             getDisplayPolicy().layoutWindowLw(w, null, mDisplayFrames);
             w.mLayoutSeq = mLayoutSeq;
@@ -881,7 +882,6 @@
             }
             w.mSurfacePlacementNeeded = true;
             w.mLayoutNeeded = false;
-            w.prelayout();
             getDisplayPolicy().layoutWindowLw(w, w.getParentWindow(), mDisplayFrames);
             w.mLayoutSeq = mLayoutSeq;
             if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame=" + w.getFrame()
@@ -2001,6 +2001,7 @@
     }
 
     void configureDisplayPolicy() {
+        mRootWindowContainer.updateDisplayImePolicyCache();
         mDisplayPolicy.updateConfigurationAndScreenSizeDependentBehaviors();
         mDisplayRotation.configure(mBaseDisplayWidth, mBaseDisplayHeight);
     }
@@ -2718,6 +2719,7 @@
     void onDisplayChanged(DisplayContent dc) {
         super.onDisplayChanged(dc);
         updateSystemGestureExclusionLimit();
+        updateKeepClearAreas();
     }
 
     void updateSystemGestureExclusionLimit() {
@@ -3327,6 +3329,9 @@
             }
         }
         proto.write(IME_POLICY, getImePolicy());
+        for (Rect r : getKeepClearAreas()) {
+            r.dumpDebug(proto, KEEP_CLEAR_AREAS);
+        }
         proto.end(token);
     }
 
@@ -3386,6 +3391,13 @@
             pw.println(mSystemGestureExclusion);
         }
 
+        final List<Rect> keepClearAreas = getKeepClearAreas();
+        if (!keepClearAreas.isEmpty()) {
+            pw.println();
+            pw.print("  keepClearAreas=");
+            pw.println(keepClearAreas);
+        }
+
         pw.println();
         pw.println(prefix + "Display areas in top down Z order:");
         dumpChildDisplayArea(pw, subPrefix, dumpAll);
@@ -3613,6 +3625,7 @@
         }
 
         adjustForImeIfNeeded();
+        updateKeepClearAreas();
 
         // We may need to schedule some toast windows to be removed. The toasts for an app that
         // does not have input focus are removed within a timeout to prevent apps to redress
@@ -3939,6 +3952,9 @@
         }
     }
 
+    // IMPORTANT: When introducing new dependencies in this method, make sure that
+    // changes to those result in RootWindowContainer.updateDisplayImePolicyCache()
+    // being called.
     @DisplayImePolicy int getImePolicy() {
         if (!isTrusted()) {
             return DISPLAY_IME_POLICY_FALLBACK_DISPLAY;
@@ -3987,11 +4003,12 @@
         if (target == mImeLayeringTarget) {
             return;
         }
-        // Prepare the IME screenshot for the last IME target when its task is applying app
-        // transition. This is for the better IME transition to keep IME visibility when
-        // transitioning to the next task.
+        // If the IME target is the input target, before it changes, prepare the IME screenshot
+        // for the last IME target when its task is applying app transition. This is for the
+        // better IME transition to keep IME visibility when transitioning to the next task.
         if (mImeLayeringTarget != null && mImeLayeringTarget.isAnimating(PARENTS | TRANSITION,
-                ANIMATION_TYPE_APP_TRANSITION | ANIMATION_TYPE_RECENTS)) {
+                ANIMATION_TYPE_APP_TRANSITION | ANIMATION_TYPE_RECENTS)
+                && mImeLayeringTarget == mImeInputTarget) {
             attachAndShowImeScreenshotOnTarget();
         }
 
@@ -5477,19 +5494,28 @@
         mSystemGestureExclusionListeners.unregister(listener);
     }
 
+    void updateKeepClearAreas() {
+        mWmService.mDisplayNotificationController.dispatchKeepClearAreasChanged(
+                this, getKeepClearAreas());
+    }
+
     /**
-     * @see IWindowManager#setForwardedInsets
+     * Returns all keep-clear areas from visible windows on this display.
      */
-    public void setForwardedInsets(Insets insets) {
-        if (insets == null) {
-            insets = Insets.NONE;
-        }
-        if (mDisplayPolicy.getForwardedInsets().equals(insets)) {
-            return;
-        }
-        mDisplayPolicy.setForwardedInsets(insets);
-        setLayoutNeeded();
-        mWmService.mWindowPlacerLocked.requestTraversal();
+    ArrayList<Rect> getKeepClearAreas() {
+        final ArrayList<Rect> keepClearAreas = new ArrayList<Rect>();
+        final Matrix tmpMatrix = new Matrix();
+        final float[] tmpFloat9 = new float[9];
+        forAllWindows(w -> {
+            if (w.isVisible() && !w.inPinnedWindowingMode()) {
+                keepClearAreas.addAll(w.getKeepClearAreas(tmpMatrix, tmpFloat9));
+            }
+
+            // We stop traversing when we reach the base of a fullscreen app.
+            return w.getWindowType() == TYPE_BASE_APPLICATION
+                    && w.getWindowingMode() == WINDOWING_MODE_FULLSCREEN;
+        }, true);
+        return keepClearAreas;
     }
 
     protected MetricsLogger getMetricsLogger() {
diff --git a/services/core/java/com/android/server/wm/DisplayPolicy.java b/services/core/java/com/android/server/wm/DisplayPolicy.java
index 0745b3b..ab1e349 100644
--- a/services/core/java/com/android/server/wm/DisplayPolicy.java
+++ b/services/core/java/com/android/server/wm/DisplayPolicy.java
@@ -359,16 +359,6 @@
 
     private int mDisplayCutoutTouchableRegionSize;
 
-    /**
-     * The area covered by system windows which belong to another display. Forwarded insets is set
-     * in case this is a virtual display, this is displayed on another display that has insets, and
-     * the bounds of this display is overlapping with the insets of the host display (e.g. IME is
-     * displayed on the host display, and it covers a part of this virtual display.)
-     * The forwarded insets is used to compute display frames of this virtual display, which will
-     * be then used to layout windows in the virtual display.
-     */
-    @NonNull private Insets mForwardedInsets = Insets.NONE;
-
     private RefreshRatePolicy mRefreshRatePolicy;
 
     /**
@@ -1442,33 +1432,6 @@
         return mForceShowSystemBars;
     }
 
-    // TODO: Should probably be moved into DisplayFrames.
-    /**
-     * Return the layout hints for a newly added window. These values are computed on the
-     * most recent layout, so they are not guaranteed to be correct.
-     *
-     * @param attrs The LayoutParams of the window.
-     * @param windowToken The token of the window.
-     * @param outInsetsState The insets state of this display from the client's perspective.
-     * @param localClient Whether the client is from the our process.
-     * @return Whether to always consume the system bars.
-     *         See {@link #areSystemBarsForcedShownLw()}.
-     */
-    boolean getLayoutHint(LayoutParams attrs, WindowToken windowToken, InsetsState outInsetsState,
-            boolean localClient) {
-        final InsetsState state =
-                mDisplayContent.getInsetsPolicy().getInsetsForWindowMetrics(attrs);
-        final boolean hasCompatScale = WindowState.hasCompatScale(attrs, windowToken);
-        outInsetsState.set(state, hasCompatScale || localClient);
-        if (hasCompatScale) {
-            final float compatScale = windowToken != null
-                    ? windowToken.getSizeCompatScale()
-                    : mDisplayContent.mCompatibleScreenScale;
-            outInsetsState.scale(1f / compatScale);
-        }
-        return mForceShowSystemBars;
-    }
-
     /**
      * Computes the frames of display (its logical size, rotation and cutout should already be set)
      * used to layout window. This method only changes the given display frames, insets state and
@@ -2149,18 +2112,6 @@
         }
     }
 
-    /**
-     * @see IWindowManager#setForwardedInsets
-     */
-    public void setForwardedInsets(@NonNull Insets forwardedInsets) {
-        mForwardedInsets = forwardedInsets;
-    }
-
-    @NonNull
-    public Insets getForwardedInsets() {
-        return mForwardedInsets;
-    }
-
     @NavigationBarPosition
     int navigationBarPosition(int displayRotation) {
         if (mNavigationBar != null) {
diff --git a/services/core/java/com/android/server/wm/DisplayWindowListenerController.java b/services/core/java/com/android/server/wm/DisplayWindowListenerController.java
index 4141090..276dbe9 100644
--- a/services/core/java/com/android/server/wm/DisplayWindowListenerController.java
+++ b/services/core/java/com/android/server/wm/DisplayWindowListenerController.java
@@ -17,11 +17,14 @@
 package com.android.server.wm;
 
 import android.content.res.Configuration;
+import android.graphics.Rect;
 import android.os.RemoteCallbackList;
 import android.os.RemoteException;
 import android.util.IntArray;
 import android.view.IDisplayWindowListener;
 
+import java.util.List;
+
 /**
  * Manages dispatch of relevant hierarchy changes to interested listeners. Listeners are assumed
  * to be remote.
@@ -116,4 +119,16 @@
         }
         mDisplayListeners.finishBroadcast();
     }
+
+    void dispatchKeepClearAreasChanged(DisplayContent display, List<Rect> keepClearAreas) {
+        int count = mDisplayListeners.beginBroadcast();
+        for (int i = 0; i < count; ++i) {
+            try {
+                mDisplayListeners.getBroadcastItem(i).onKeepClearAreasChanged(
+                        display.mDisplayId, keepClearAreas);
+            } catch (RemoteException e) {
+            }
+        }
+        mDisplayListeners.finishBroadcast();
+    }
 }
diff --git a/services/core/java/com/android/server/wm/EnsureActivitiesVisibleHelper.java b/services/core/java/com/android/server/wm/EnsureActivitiesVisibleHelper.java
index 963f326..8d3e071 100644
--- a/services/core/java/com/android/server/wm/EnsureActivitiesVisibleHelper.java
+++ b/services/core/java/com/android/server/wm/EnsureActivitiesVisibleHelper.java
@@ -97,7 +97,7 @@
         // activities are actually behind other fullscreen activities, but still required
         // to be visible (such as performing Recents animation).
         final boolean resumeTopActivity = mTop != null && !mTop.mLaunchTaskBehind
-                && mTaskFragment.isTopActivityFocusable()
+                && mTaskFragment.canBeResumed(starting)
                 && (starting == null || !starting.isDescendantOf(mTaskFragment));
 
         ArrayList<TaskFragment> adjacentTaskFragments = null;
diff --git a/services/core/java/com/android/server/wm/InsetsStateController.java b/services/core/java/com/android/server/wm/InsetsStateController.java
index 1a1101e..a1468cc 100644
--- a/services/core/java/com/android/server/wm/InsetsStateController.java
+++ b/services/core/java/com/android/server/wm/InsetsStateController.java
@@ -366,6 +366,7 @@
         if (changed) {
             notifyInsetsChanged();
             mDisplayContent.updateSystemGestureExclusion();
+            mDisplayContent.updateKeepClearAreas();
             mDisplayContent.getDisplayPolicy().updateSystemBarAttributes();
         }
     }
diff --git a/services/core/java/com/android/server/wm/RootWindowContainer.java b/services/core/java/com/android/server/wm/RootWindowContainer.java
index 5a420ca..d031bec 100644
--- a/services/core/java/com/android/server/wm/RootWindowContainer.java
+++ b/services/core/java/com/android/server/wm/RootWindowContainer.java
@@ -165,6 +165,7 @@
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 import java.util.Set;
@@ -986,6 +987,7 @@
         forAllDisplays(dc -> {
             dc.getInputMonitor().updateInputWindowsLw(true /*force*/);
             dc.updateSystemGestureExclusion();
+            dc.updateKeepClearAreas();
             dc.updateTouchExcludeRegion();
         });
 
@@ -2530,9 +2532,16 @@
             // Drop any cached DisplayInfos associated with this display id - the values are now
             // out of date given this display changed event.
             mWmService.mPossibleDisplayInfoMapper.removePossibleDisplayInfos(displayId);
+            updateDisplayImePolicyCache();
         }
     }
 
+    void updateDisplayImePolicyCache() {
+        ArrayMap<Integer, Integer> displayImePolicyMap = new ArrayMap<>();
+        forAllDisplays(dc -> displayImePolicyMap.put(dc.getDisplayId(), dc.getImePolicy()));
+        mWmService.mDisplayImePolicyCache = Collections.unmodifiableMap(displayImePolicyMap);
+    }
+
     /** Update lists of UIDs that are present on displays and have access to them. */
     void updateUIDsPresentOnDisplay() {
         mDisplayAccessUIDs.clear();
@@ -3665,7 +3674,8 @@
 
             try {
                 if (mTaskSupervisor.realStartActivityLocked(r, mApp,
-                        mTop == r && r.isFocusable() /* andResume */, true /* checkConfig */)) {
+                        mTop == r && r.getTask().canBeResumed(r) /* andResume */,
+                        true /* checkConfig */)) {
                     mHasActivityStarted = true;
                 }
             } catch (RemoteException e) {
diff --git a/services/core/java/com/android/server/wm/Session.java b/services/core/java/com/android/server/wm/Session.java
index 005544b..7acc0c5 100644
--- a/services/core/java/com/android/server/wm/Session.java
+++ b/services/core/java/com/android/server/wm/Session.java
@@ -73,6 +73,7 @@
 import android.view.SurfaceSession;
 import android.view.WindowManager;
 import android.window.ClientWindowFrames;
+import android.window.IOnBackInvokedCallback;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.os.logging.MetricsLoggerWrapper;
@@ -490,6 +491,16 @@
         }
     }
 
+    @Override
+    public void reportKeepClearAreasChanged(IWindow window, List<Rect> keepClearAreas) {
+        final long ident = Binder.clearCallingIdentity();
+        try {
+            mService.reportKeepClearAreasChanged(this, window, keepClearAreas);
+        } finally {
+            Binder.restoreCallingIdentity(ident);
+        }
+    }
+
     private void actionOnWallpaper(IBinder window,
             BiConsumer<WallpaperController, WindowState> action) {
         final WindowState windowState = mService.windowForClientLocked(this, window, true);
@@ -863,4 +874,10 @@
             Binder.restoreCallingIdentity(origId);
         }
     }
+
+    @Override
+    public void setOnBackInvokedCallback(IWindow iWindow,
+            IOnBackInvokedCallback iOnBackInvokedCallback) throws RemoteException {
+        // TODO: Set the callback to the WindowState of the window.
+    }
 }
diff --git a/services/core/java/com/android/server/wm/TaskFragment.java b/services/core/java/com/android/server/wm/TaskFragment.java
index c8781ae..177d2e6 100644
--- a/services/core/java/com/android/server/wm/TaskFragment.java
+++ b/services/core/java/com/android/server/wm/TaskFragment.java
@@ -24,8 +24,6 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
 import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
 import static android.content.pm.ActivityInfo.FLAG_RESUME_WHILE_PAUSING;
 import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
@@ -796,13 +794,8 @@
             return TASK_FRAGMENT_VISIBILITY_VISIBLE;
         }
 
-        boolean gotRootSplitScreenFragment = false;
-        boolean gotOpaqueSplitScreenPrimary = false;
-        boolean gotOpaqueSplitScreenSecondary = false;
         boolean gotTranslucentFullscreen = false;
         boolean gotTranslucentAdjacent = false;
-        boolean gotTranslucentSplitScreenPrimary = false;
-        boolean gotTranslucentSplitScreenSecondary = false;
         boolean shouldBeVisible = true;
 
         // This TaskFragment is only considered visible if all its parent TaskFragments are
@@ -821,8 +814,6 @@
         }
 
         final List<TaskFragment> adjacentTaskFragments = new ArrayList<>();
-        final int windowingMode = getWindowingMode();
-        final boolean isAssistantType = isActivityTypeAssistant();
         for (int i = parent.getChildCount() - 1; i >= 0; --i) {
             final WindowContainer other = parent.getChildAt(i);
             if (other == null) continue;
@@ -870,37 +861,6 @@
                 }
                 // Multi-window TaskFragment that matches parent bounds would occlude other children
                 return TASK_FRAGMENT_VISIBILITY_INVISIBLE;
-            } else if (otherWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY
-                    && !gotOpaqueSplitScreenPrimary) {
-                gotRootSplitScreenFragment = true;
-                gotTranslucentSplitScreenPrimary = isTranslucent(other, starting);
-                gotOpaqueSplitScreenPrimary = !gotTranslucentSplitScreenPrimary;
-                if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY
-                        && gotOpaqueSplitScreenPrimary) {
-                    // Can't be visible behind another opaque TaskFragment in split-screen-primary.
-                    return TASK_FRAGMENT_VISIBILITY_INVISIBLE;
-                }
-            } else if (otherWindowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY
-                    && !gotOpaqueSplitScreenSecondary) {
-                gotRootSplitScreenFragment = true;
-                gotTranslucentSplitScreenSecondary = isTranslucent(other, starting);
-                gotOpaqueSplitScreenSecondary = !gotTranslucentSplitScreenSecondary;
-                if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY
-                        && gotOpaqueSplitScreenSecondary) {
-                    // Can't be visible behind another opaque TaskFragment in split-screen-secondary
-                    return TASK_FRAGMENT_VISIBILITY_INVISIBLE;
-                }
-            }
-            if (gotOpaqueSplitScreenPrimary && gotOpaqueSplitScreenSecondary) {
-                // Can not be visible if we are in split-screen windowing mode and both halves of
-                // the screen are opaque.
-                return TASK_FRAGMENT_VISIBILITY_INVISIBLE;
-            }
-            if (isAssistantType && gotRootSplitScreenFragment) {
-                // Assistant TaskFragment can't be visible behind split-screen. In addition to
-                // this not making sense, it also works around an issue here we boost the z-order
-                // of the assistant window surfaces in window manager whenever it is visible.
-                return TASK_FRAGMENT_VISIBILITY_INVISIBLE;
             }
 
             final TaskFragment otherTaskFrag = other.asTaskFragment();
@@ -926,34 +886,6 @@
             return TASK_FRAGMENT_VISIBILITY_INVISIBLE;
         }
 
-        // Handle cases when there can be a translucent split-screen TaskFragment on top.
-        switch (windowingMode) {
-            case WINDOWING_MODE_FULLSCREEN:
-                if (gotTranslucentSplitScreenPrimary || gotTranslucentSplitScreenSecondary) {
-                    // At least one of the split-screen TaskFragment that covers this one is
-                    // translucent.
-                    // When in split mode, home will be reparented to the secondary split while
-                    // leaving TaskFragments not supporting split below. Due to
-                    // TaskDisplayArea#assignRootTaskOrdering always adjusts home surface layer to
-                    // the bottom, this makes sure TaskFragments not in split roots won't occlude
-                    // home task unexpectedly.
-                    return TASK_FRAGMENT_VISIBILITY_INVISIBLE;
-                }
-                break;
-            case WINDOWING_MODE_SPLIT_SCREEN_PRIMARY:
-                if (gotTranslucentSplitScreenPrimary) {
-                    // Covered by translucent primary split-screen on top.
-                    return TASK_FRAGMENT_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT;
-                }
-                break;
-            case WINDOWING_MODE_SPLIT_SCREEN_SECONDARY:
-                if (gotTranslucentSplitScreenSecondary) {
-                    // Covered by translucent secondary split-screen on top.
-                    return TASK_FRAGMENT_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT;
-                }
-                break;
-        }
-
         // Lastly - check if there is a translucent fullscreen TaskFragment on top.
         return gotTranslucentFullscreen
                 ? TASK_FRAGMENT_VISIBILITY_VISIBLE_BEHIND_TRANSLUCENT
diff --git a/services/core/java/com/android/server/wm/WindowManagerInternal.java b/services/core/java/com/android/server/wm/WindowManagerInternal.java
index 1ab191b..b9fa297 100644
--- a/services/core/java/com/android/server/wm/WindowManagerInternal.java
+++ b/services/core/java/com/android/server/wm/WindowManagerInternal.java
@@ -16,6 +16,9 @@
 
 package com.android.server.wm;
 
+import static java.lang.annotation.RetentionPolicy.SOURCE;
+
+import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.content.ClipData;
@@ -40,6 +43,7 @@
 import com.android.server.input.InputManagerService;
 import com.android.server.policy.WindowManagerPolicy;
 
+import java.lang.annotation.Retention;
 import java.util.List;
 import java.util.Set;
 
@@ -609,6 +613,7 @@
     /**
      * Checks whether the specified IME client has IME focus or not.
      *
+     * @param windowToken The window token of the input method client
      * @param uid UID of the process to be queried
      * @param pid PID of the process to be queried
      * @param displayId Display ID reported from the client. Note that this method also verifies
@@ -616,7 +621,22 @@
      * @return {@code true} if the IME client specified with {@code uid}, {@code pid}, and
      *         {@code displayId} has IME focus
      */
-    public abstract boolean isInputMethodClientFocus(int uid, int pid, int displayId);
+    public abstract @ImeClientFocusResult int hasInputMethodClientFocus(IBinder windowToken,
+            int uid, int pid, int displayId);
+
+    @Retention(SOURCE)
+    @IntDef({
+            ImeClientFocusResult.HAS_IME_FOCUS,
+            ImeClientFocusResult.NOT_IME_TARGET_WINDOW,
+            ImeClientFocusResult.DISPLAY_ID_MISMATCH,
+            ImeClientFocusResult.INVALID_DISPLAY_ID
+    })
+    public @interface ImeClientFocusResult {
+        int HAS_IME_FOCUS = 0;
+        int NOT_IME_TARGET_WINDOW = -1;
+        int DISPLAY_ID_MISMATCH = -2;
+        int INVALID_DISPLAY_ID = -3;
+    }
 
     /**
      * Checks whether the given {@code uid} is allowed to use the given {@code displayId} or not.
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 3515926..c1a8ceb 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -171,15 +171,12 @@
 import android.content.res.TypedArray;
 import android.database.ContentObserver;
 import android.graphics.Bitmap;
-import android.graphics.Insets;
 import android.graphics.Point;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.graphics.Region;
 import android.hardware.configstore.V1_0.OptionalBool;
-import android.hardware.configstore.V1_1.DisplayOrientation;
 import android.hardware.configstore.V1_1.ISurfaceFlingerConfigs;
-import android.hardware.configstore.V1_1.OptionalDisplayOrientation;
 import android.hardware.display.DisplayManager;
 import android.hardware.display.DisplayManagerInternal;
 import android.hardware.input.InputManager;
@@ -231,7 +228,6 @@
 import android.util.proto.ProtoOutputStream;
 import android.view.Choreographer;
 import android.view.Display;
-import android.view.DisplayAddress;
 import android.view.DisplayInfo;
 import android.view.Gravity;
 import android.view.IAppTransitionAnimationSpecsFuture;
@@ -442,8 +438,6 @@
      */
     static final boolean ENABLE_FIXED_ROTATION_TRANSFORM =
             SystemProperties.getBoolean("persist.wm.fixed_rotation_transform", true);
-    private @Surface.Rotation int mPrimaryDisplayOrientation = Surface.ROTATION_0;
-    private DisplayAddress mPrimaryDisplayPhysicalAddress;
 
     // Enums for animation scale update types.
     @Retention(RetentionPolicy.SOURCE)
@@ -592,6 +586,13 @@
     final ArrayList<WindowState> mResizingWindows = new ArrayList<>();
 
     /**
+     * Mapping of displayId to {@link DisplayImePolicy}.
+     * Note that this can be accessed without holding the lock.
+     */
+    volatile Map<Integer, Integer> mDisplayImePolicyCache = Collections.unmodifiableMap(
+            new ArrayMap<>());
+
+    /**
      * Windows whose surface should be destroyed.
      */
     final ArrayList<WindowState> mDestroySurface = new ArrayList<>();
@@ -1793,8 +1794,7 @@
                 prepareNoneTransitionForRelaunching(activity);
             }
 
-            if (displayPolicy.getLayoutHint(win.mAttrs, token, outInsetsState,
-                    win.isClientLocal())) {
+            if (displayPolicy.areSystemBarsForcedShownLw()) {
                 res |= WindowManagerGlobal.ADD_FLAG_ALWAYS_CONSUME_SYSTEM_BARS;
             }
 
@@ -1841,6 +1841,7 @@
             displayContent.getInsetsStateController().updateAboveInsetsState(
                     win, false /* notifyInsetsChanged */);
 
+            outInsetsState.set(win.getCompatInsetsState(), win.isClientLocal());
             getInsetsSourceControls(win, outActiveControls);
         }
 
@@ -2443,23 +2444,6 @@
             configChanged = displayContent.updateOrientation();
             Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
 
-            final DisplayInfo displayInfo = win.getDisplayInfo();
-            int transformHint = displayInfo.rotation;
-            // If the window is on the primary display, use the panel orientation to adjust the
-            // transform hint
-            final boolean isPrimaryDisplay = displayInfo.address != null &&
-                    displayInfo.address.equals(mPrimaryDisplayPhysicalAddress);
-            if (isPrimaryDisplay) {
-                transformHint = (transformHint + mPrimaryDisplayOrientation) % 4;
-            }
-            outSurfaceControl.setTransformHint(
-                    SurfaceControl.rotationToBufferTransform(transformHint));
-            ProtoLog.v(WM_DEBUG_ORIENTATION,
-                    "Passing transform hint %d for window %s%s",
-                    transformHint, win,
-                    isPrimaryDisplay ? " on primary display with orientation "
-                            + mPrimaryDisplayOrientation : "");
-
             if (toBeDisplayed && win.mIsWallpaper) {
                 displayContent.mWallpaperController.updateWallpaperOffset(win, false /* sync */);
             }
@@ -4355,6 +4339,15 @@
         }
     }
 
+    void reportKeepClearAreasChanged(Session session, IWindow window, List<Rect> keepClearAreas) {
+        synchronized (mGlobalLock) {
+            final WindowState win = windowForClientLocked(session, window, true);
+            if (win.setKeepClearAreas(keepClearAreas)) {
+                win.getDisplayContent().updateKeepClearAreas();
+            }
+        }
+    }
+
     @Override
     public void registerDisplayFoldListener(IDisplayFoldListener listener) {
         mPolicy.registerDisplayFoldListener(listener);
@@ -4927,9 +4920,6 @@
         mTaskSnapshotController.systemReady();
         mHasWideColorGamutSupport = queryWideColorGamutSupport();
         mHasHdrSupport = queryHdrSupport();
-        mPrimaryDisplayOrientation = queryPrimaryDisplayOrientation();
-        mPrimaryDisplayPhysicalAddress =
-            DisplayAddress.fromPhysicalDisplayId(SurfaceControl.getPrimaryPhysicalDisplayId());
         UiThread.getHandler().post(mSettingsObserver::loadSettings);
         IVrManager vrManager = IVrManager.Stub.asInterface(
                 ServiceManager.getService(Context.VR_SERVICE));
@@ -4992,39 +4982,6 @@
         return false;
     }
 
-    private static @Surface.Rotation int queryPrimaryDisplayOrientation() {
-        Optional<SurfaceFlingerProperties.primary_display_orientation_values> prop =
-                SurfaceFlingerProperties.primary_display_orientation();
-        if (prop.isPresent()) {
-            switch (prop.get()) {
-                case ORIENTATION_90: return Surface.ROTATION_90;
-                case ORIENTATION_180: return Surface.ROTATION_180;
-                case ORIENTATION_270: return Surface.ROTATION_270;
-                case ORIENTATION_0:
-                default:
-                    return Surface.ROTATION_0;
-            }
-        }
-        try {
-            ISurfaceFlingerConfigs surfaceFlinger = ISurfaceFlingerConfigs.getService();
-            OptionalDisplayOrientation primaryDisplayOrientation =
-                    surfaceFlinger.primaryDisplayOrientation();
-            if (primaryDisplayOrientation != null && primaryDisplayOrientation.specified) {
-                switch (primaryDisplayOrientation.value) {
-                    case DisplayOrientation.ORIENTATION_90: return Surface.ROTATION_90;
-                    case DisplayOrientation.ORIENTATION_180: return Surface.ROTATION_180;
-                    case DisplayOrientation.ORIENTATION_270: return Surface.ROTATION_270;
-                    case DisplayOrientation.ORIENTATION_0:
-                    default:
-                        return Surface.ROTATION_0;
-                }
-            }
-        } catch (Exception e) {
-            // Use default value if we can't talk to config store.
-        }
-        return Surface.ROTATION_0;
-    }
-
     // Returns an input target which is mapped to the given input token. This can be a WindowState
     // or an embedded window.
     @Nullable InputTarget getInputTargetFromToken(IBinder inputToken) {
@@ -6947,6 +6904,7 @@
     void setForceDesktopModeOnExternalDisplays(boolean forceDesktopModeOnExternalDisplays) {
         synchronized (mGlobalLock) {
             mForceDesktopModeOnExternalDisplays = forceDesktopModeOnExternalDisplays;
+            mRoot.updateDisplayImePolicyCache();
         }
     }
 
@@ -7002,23 +6960,6 @@
         }
     }
 
-    @Override
-    public void setForwardedInsets(int displayId, Insets insets) throws RemoteException {
-        synchronized (mGlobalLock) {
-            final DisplayContent dc = mRoot.getDisplayContent(displayId);
-            if (dc == null) {
-                return;
-            }
-            final int callingUid = Binder.getCallingUid();
-            final int displayOwnerUid = dc.getDisplay().getOwnerUid();
-            if (callingUid != displayOwnerUid) {
-                throw new SecurityException(
-                        "Only owner of the display can set ForwardedInsets to it.");
-            }
-            dc.setForwardedInsets(insets);
-        }
-    }
-
     MousePositionTracker mMousePositionTracker = new MousePositionTracker();
 
     private static class MousePositionTracker implements PointerEventListener {
@@ -7378,16 +7319,14 @@
         if (!checkCallingPermission(INTERNAL_SYSTEM_WINDOW, "getDisplayImePolicy()")) {
             throw new SecurityException("Requires INTERNAL_SYSTEM_WINDOW permission");
         }
-        final DisplayContent dc = mRoot.getDisplayContent(displayId);
-        if (dc == null) {
+        final Map<Integer, Integer> displayImePolicyCache = mDisplayImePolicyCache;
+        if (!displayImePolicyCache.containsKey(displayId)) {
             ProtoLog.w(WM_ERROR,
                     "Attempted to get IME policy of a display that does not exist: %d",
                     displayId);
             return DISPLAY_IME_POLICY_FALLBACK_DISPLAY;
         }
-        synchronized (mGlobalLock) {
-            return dc.getImePolicy();
-        }
+        return displayImePolicyCache.get(displayId);
     }
 
     @Override
@@ -7736,19 +7675,32 @@
         }
 
         @Override
-        public boolean isInputMethodClientFocus(int uid, int pid, int displayId) {
+        public @ImeClientFocusResult int hasInputMethodClientFocus(IBinder windowToken,
+                int uid, int pid, int displayId) {
             if (displayId == Display.INVALID_DISPLAY) {
-                return false;
+                return ImeClientFocusResult.INVALID_DISPLAY_ID;
             }
             synchronized (mGlobalLock) {
                 final DisplayContent displayContent = mRoot.getTopFocusedDisplayContent();
+                final WindowState window = mWindowMap.get(windowToken);
+                if (window == null) {
+                    return ImeClientFocusResult.NOT_IME_TARGET_WINDOW;
+                }
+                final int tokenDisplayId = window.getDisplayContent().getDisplayId();
+                if (tokenDisplayId != displayId) {
+                    Slog.e(TAG, "isInputMethodClientFocus: display ID mismatch."
+                            + " from client: " + displayId
+                            + " from window: " + tokenDisplayId);
+                    return ImeClientFocusResult.DISPLAY_ID_MISMATCH;
+                }
                 if (displayContent == null
                         || displayContent.getDisplayId() != displayId
                         || !displayContent.hasAccess(uid)) {
-                    return false;
+                    return ImeClientFocusResult.INVALID_DISPLAY_ID;
                 }
+
                 if (displayContent.isInputMethodClientFocus(uid, pid)) {
-                    return true;
+                    return ImeClientFocusResult.HAS_IME_FOCUS;
                 }
                 // Okay, how about this...  what is the current focus?
                 // It seems in some cases we may not have moved the IM
@@ -7761,10 +7713,11 @@
                 final WindowState currentFocus = displayContent.mCurrentFocus;
                 if (currentFocus != null && currentFocus.mSession.mUid == uid
                         && currentFocus.mSession.mPid == pid) {
-                    return currentFocus.canBeImeTarget();
+                    return currentFocus.canBeImeTarget() ? ImeClientFocusResult.HAS_IME_FOCUS
+                            : ImeClientFocusResult.NOT_IME_TARGET_WINDOW;
                 }
             }
-            return false;
+            return ImeClientFocusResult.NOT_IME_TARGET_WINDOW;
         }
 
         @Override
@@ -7863,9 +7816,7 @@
 
         @Override
         public @DisplayImePolicy int getDisplayImePolicy(int displayId) {
-            synchronized (mGlobalLock) {
-                return WindowManagerService.this.getDisplayImePolicy(displayId);
-            }
+            return WindowManagerService.this.getDisplayImePolicy(displayId);
         }
 
         @Override
@@ -8521,6 +8472,7 @@
     public boolean getWindowInsets(WindowManager.LayoutParams attrs, int displayId,
             InsetsState outInsetsState) {
         final boolean fromLocal = Binder.getCallingPid() == myPid();
+        final int uid = Binder.getCallingUid();
         final long origId = Binder.clearCallingIdentity();
         try {
             synchronized (mGlobalLock) {
@@ -8529,9 +8481,20 @@
                     throw new WindowManager.InvalidDisplayException("Display#" + displayId
                             + "could not be found!");
                 }
-                final WindowToken windowToken = dc.getWindowToken(attrs.token);
-                return dc.getDisplayPolicy().getLayoutHint(attrs, windowToken, outInsetsState,
-                        fromLocal);
+                final WindowToken token = dc.getWindowToken(attrs.token);
+                final float overrideScale = mAtmService.mCompatModePackages.getCompatScale(
+                        attrs.packageName, uid);
+                final InsetsState state = dc.getInsetsPolicy().getInsetsForWindowMetrics(attrs);
+                final boolean hasCompatScale =
+                        WindowState.hasCompatScale(attrs, token, overrideScale);
+                outInsetsState.set(state, hasCompatScale || fromLocal);
+                if (hasCompatScale) {
+                    final float compatScale = token != null && token.hasSizeCompatBounds()
+                            ? token.getSizeCompatScale() * overrideScale
+                            : overrideScale;
+                    outInsetsState.scale(1f / compatScale);
+                }
+                return dc.getDisplayPolicy().areSystemBarsForcedShownLw();
             }
         } finally {
             Binder.restoreCallingIdentity(origId);
@@ -8760,20 +8723,21 @@
     }
 
     boolean shouldRestoreImeVisibility(IBinder imeTargetWindowToken) {
+        final Task imeTargetWindowTask;
         synchronized (mGlobalLock) {
             final WindowState imeTargetWindow = mWindowMap.get(imeTargetWindowToken);
             if (imeTargetWindow == null) {
                 return false;
             }
-            final Task imeTargetWindowTask = imeTargetWindow.getTask();
+            imeTargetWindowTask = imeTargetWindow.getTask();
             if (imeTargetWindowTask == null) {
                 return false;
             }
-            final TaskSnapshot snapshot = getTaskSnapshot(imeTargetWindowTask.mTaskId,
-                    imeTargetWindowTask.mUserId, false /* isLowResolution */,
-                    false /* restoreFromDisk */);
-            return snapshot != null && snapshot.hasImeSurface();
         }
+        final TaskSnapshot snapshot = getTaskSnapshot(imeTargetWindowTask.mTaskId,
+                imeTargetWindowTask.mUserId, false /* isLowResolution */,
+                false /* restoreFromDisk */);
+        return snapshot != null && snapshot.hasImeSurface();
     }
 
     @Override
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index e4d3e05..1f83767 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -172,6 +172,7 @@
 import static com.android.server.wm.WindowStateProto.IS_ON_SCREEN;
 import static com.android.server.wm.WindowStateProto.IS_READY_FOR_DISPLAY;
 import static com.android.server.wm.WindowStateProto.IS_VISIBLE;
+import static com.android.server.wm.WindowStateProto.KEEP_CLEAR_AREAS;
 import static com.android.server.wm.WindowStateProto.PENDING_SEAMLESS_ROTATION;
 import static com.android.server.wm.WindowStateProto.REMOVED;
 import static com.android.server.wm.WindowStateProto.REMOVE_ON_EXIT;
@@ -196,6 +197,7 @@
 import android.graphics.PixelFormat;
 import android.graphics.Point;
 import android.graphics.Rect;
+import android.graphics.RectF;
 import android.graphics.Region;
 import android.gui.TouchOcclusionMode;
 import android.os.Binder;
@@ -442,9 +444,8 @@
 
     // Current transformation being applied.
     float mGlobalScale=1;
-    float mLastGlobalScale=1;
     float mInvGlobalScale=1;
-    float mOverrideScale = 1;
+    final float mOverrideScale;
     float mHScale=1, mVScale=1;
     float mLastHScale=1, mLastVScale=1;
 
@@ -471,6 +472,12 @@
      * Coordinates are relative to the window's position.
      */
     private final List<Rect> mExclusionRects = new ArrayList<>();
+    /**
+     * List of rects which should ideally not be covered by floating windows like Pip.
+     *
+     * Coordinates are relative to the window's position.
+     */
+    private final List<Rect> mKeepClearAreas = new ArrayList<>();
 
     // 0 = left, 1 = right
     private final int[] mLastRequestedExclusionHeight = {0, 0};
@@ -1012,6 +1019,55 @@
         }
     }
 
+    /**
+     * @return a list of rects that should ideally not be covered by floating windows like pip.
+     *         The returned rect coordinates are relative to the display origin.
+     */
+    List<Rect> getKeepClearAreas() {
+        final Matrix tmpMatrix = new Matrix();
+        final float[] tmpFloat9 = new float[9];
+        return getKeepClearAreas(tmpMatrix, tmpFloat9);
+    }
+
+    /**
+     * @param tmpMatrix a temporary matrix to be used for transformations
+     * @param float9 a temporary array of 9 floats
+     *
+     * @return a list of rects that should ideally not be covered by floating windows like pip.
+     *         The returned rect coordinates are relative to the display origin.
+     */
+    List<Rect> getKeepClearAreas(Matrix tmpMatrix, float[] float9) {
+        getTransformationMatrix(float9, tmpMatrix);
+
+        // Translate all keep-clear rects to screen coordinates.
+        final List<Rect> transformedKeepClearAreas = new ArrayList<Rect>();
+        final RectF tmpRect = new RectF();
+        Rect curr;
+        for (Rect r : mKeepClearAreas) {
+            tmpRect.set(r);
+            tmpMatrix.mapRect(tmpRect);
+            curr = new Rect();
+            tmpRect.roundOut(curr);
+            transformedKeepClearAreas.add(curr);
+        }
+        return transformedKeepClearAreas;
+    }
+
+    /**
+     * @param keepClearAreas the new keep-clear areas for this window. The rects should be defined
+     *                       in window coordinate space
+     *
+     * @return true if there is a change in the list of keep-clear areas; false otherwise
+     */
+    boolean setKeepClearAreas(List<Rect> keepClearAreas) {
+        if (mKeepClearAreas.equals(keepClearAreas)) {
+            return false;
+        }
+        mKeepClearAreas.clear();
+        mKeepClearAreas.addAll(keepClearAreas);
+        return true;
+    }
+
     interface PowerManagerWrapper {
         void wakeUp(long time, @WakeReason int reason, String details);
 
@@ -1091,6 +1147,7 @@
             mSubLayer = 0;
             mWinAnimator = null;
             mWpcForDisplayAreaConfigChanges = null;
+            mOverrideScale = 1f;
             return;
         }
         mDeathRecipient = deathRecipient;
@@ -1138,6 +1195,7 @@
         mLayer = 0;
         mOverrideScale = mWmService.mAtmService.mCompatModePackages.getCompatScale(
                 mAttrs.packageName, s.mUid);
+        updateGlobalScale();
 
         // Make sure we initial all fields before adding to parentWindow, to prevent exception
         // during onDisplayChanged.
@@ -1167,6 +1225,23 @@
         mSession.windowAddedLocked();
     }
 
+    boolean updateGlobalScale() {
+        if (hasCompatScale()) {
+            if (mOverrideScale != 1f) {
+                mGlobalScale = mToken.hasSizeCompatBounds()
+                        ? mToken.getSizeCompatScale() * mOverrideScale
+                        : mOverrideScale;
+            } else {
+                mGlobalScale = mToken.getSizeCompatScale();
+            }
+            mInvGlobalScale = 1f / mGlobalScale;
+            return true;
+        }
+
+        mGlobalScale = mInvGlobalScale = 1f;
+        return false;
+    }
+
     /**
      * @return {@code true} if the application runs in size compatibility mode or has an app level
      * scaling override set.
@@ -1175,7 +1250,7 @@
      * @see ActivityRecord#hasSizeCompatBounds()
      */
     boolean hasCompatScale() {
-        return mOverrideScale != 1f || hasCompatScale(mAttrs, mActivityRecord);
+        return hasCompatScale(mAttrs, mActivityRecord, mOverrideScale);
     }
 
     /**
@@ -1183,11 +1258,16 @@
      * @see android.content.res.CompatibilityInfo#supportsScreen
      * @see ActivityRecord#hasSizeCompatBounds()
      */
-    static boolean hasCompatScale(WindowManager.LayoutParams attrs, WindowToken windowToken) {
-        return (attrs.privateFlags & PRIVATE_FLAG_COMPATIBLE_WINDOW) != 0
-                || (windowToken != null && windowToken.hasSizeCompatBounds()
-                // Exclude starting window because it is not displayed by the application.
-                && attrs.type != TYPE_APPLICATION_STARTING);
+    static boolean hasCompatScale(WindowManager.LayoutParams attrs, WindowToken token,
+            float overrideScale) {
+        if ((attrs.privateFlags & PRIVATE_FLAG_COMPATIBLE_WINDOW) != 0) {
+            return true;
+        }
+        if (attrs.type == TYPE_APPLICATION_STARTING) {
+            // Exclude starting window because it is not displayed by the application.
+            return false;
+        }
+        return token != null && token.hasSizeCompatBounds() || overrideScale != 1f;
     }
 
     /**
@@ -1691,21 +1771,6 @@
                 && (mActivityRecord.firstWindowDrawn || mActivityRecord.startingDisplayed);
     }
 
-    void prelayout() {
-        if (hasCompatScale()) {
-            if (mOverrideScale != 1f) {
-                mGlobalScale = mToken.hasSizeCompatBounds()
-                        ? mToken.getSizeCompatScale() * mOverrideScale
-                        : mOverrideScale;
-            } else {
-                mGlobalScale = mToken.getSizeCompatScale();
-            }
-            mInvGlobalScale = 1 / mGlobalScale;
-        } else {
-            mGlobalScale = mInvGlobalScale = 1;
-        }
-    }
-
     @Override
     boolean hasContentToDisplay() {
         if (!mAppFreezing && isDrawn() && (mViewVisibility == View.VISIBLE
@@ -2928,7 +2993,6 @@
         @Override
         public void binderDied() {
             try {
-                boolean resetSplitScreenResizing = false;
                 synchronized (mWmService.mGlobalLock) {
                     final WindowState win = mWmService
                             .windowForClientLocked(mSession, mClient, false);
@@ -2944,16 +3008,6 @@
                         WindowState.this.removeIfPossible();
                     }
                 }
-                if (resetSplitScreenResizing) {
-                    try {
-                        // Note: this calls into ActivityManager, so we must *not* hold the window
-                        // manager lock while calling this.
-                        mWmService.mActivityTaskManager.setSplitScreenResizing(false);
-                    } catch (RemoteException e) {
-                        // Local call, shouldn't return RemoteException.
-                        throw e.rethrowAsRuntimeException();
-                    }
-                }
             } catch (IllegalArgumentException ex) {
                 // This will happen if the window has already been removed.
             }
@@ -4063,6 +4117,9 @@
         proto.write(FORCE_SEAMLESS_ROTATION, mForceSeamlesslyRotate);
         proto.write(HAS_COMPAT_SCALE, hasCompatScale());
         proto.write(GLOBAL_SCALE, mGlobalScale);
+        for (Rect r : getKeepClearAreas()) {
+            r.dumpDebug(proto, KEEP_CLEAR_AREAS);
+        }
         proto.end(token);
     }
 
@@ -4231,6 +4288,7 @@
         }
         pw.println(prefix + "isOnScreen=" + isOnScreen());
         pw.println(prefix + "isVisible=" + isVisible());
+        pw.println(prefix + "keepClearAreas=" + getKeepClearAreas());
         if (dumpAll) {
             final String visibilityString = mRequestedVisibilities.toString();
             if (!visibilityString.isEmpty()) {
@@ -5259,7 +5317,6 @@
             mLastVScale != newVScale ) {
             getPendingTransaction().setMatrix(getSurfaceControl(),
                 newHScale, 0, 0, newVScale);
-            mLastGlobalScale = mGlobalScale;
             mLastHScale = newHScale;
             mLastVScale = newVScale;
         }
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/ActiveAdmin.java b/services/devicepolicy/java/com/android/server/devicepolicy/ActiveAdmin.java
index df9ab50..f19202a 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/ActiveAdmin.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/ActiveAdmin.java
@@ -145,6 +145,10 @@
     private static final String TAG_PREFERENTIAL_NETWORK_SERVICE_ENABLED =
             "preferential-network-service-enabled";
     private static final String TAG_USB_DATA_SIGNALING = "usb-data-signaling";
+    private static final String TAG_WIFI_MIN_SECURITY = "wifi-min-security";
+    private static final String TAG_SSID_ALLOWLIST = "ssid-allowlist";
+    private static final String TAG_SSID_DENYLIST = "ssid-denylist";
+    private static final String TAG_SSID = "ssid";
     private static final String ATTR_VALUE = "value";
     private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification";
     private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications";
@@ -237,6 +241,14 @@
     // List of package names to keep cached.
     List<String> keepUninstalledPackages;
 
+    // The allowlist of SSIDs the device may connect to.
+    // By default, the allowlist restriction is deactivated.
+    List<String> mSsidAllowlist;
+
+    // The denylist of SSIDs the device may not connect to.
+    // By default, the denylist restriction is deactivated.
+    List<String> mSsidDenylist;
+
     // TODO: review implementation decisions with frameworks team
     boolean specifiesGlobalProxy = false;
     String globalProxySpec = null;
@@ -298,6 +310,8 @@
     private static final boolean USB_DATA_SIGNALING_ENABLED_DEFAULT = true;
     boolean mUsbDataSignalingEnabled = USB_DATA_SIGNALING_ENABLED_DEFAULT;
 
+    int mWifiMinimumSecurityLevel = DevicePolicyManager.WIFI_SECURITY_OPEN;
+
     ActiveAdmin(DeviceAdminInfo info, boolean isParent) {
         this.info = info;
         this.isParent = isParent;
@@ -574,6 +588,15 @@
         if (mUsbDataSignalingEnabled != USB_DATA_SIGNALING_ENABLED_DEFAULT) {
             writeAttributeValueToXml(out, TAG_USB_DATA_SIGNALING, mUsbDataSignalingEnabled);
         }
+        if (mWifiMinimumSecurityLevel != DevicePolicyManager.WIFI_SECURITY_OPEN) {
+            writeAttributeValueToXml(out, TAG_WIFI_MIN_SECURITY, mWifiMinimumSecurityLevel);
+        }
+        if (mSsidAllowlist != null && !mSsidAllowlist.isEmpty()) {
+            writeAttributeValuesToXml(out, TAG_SSID_ALLOWLIST, TAG_SSID, mSsidAllowlist);
+        }
+        if (mSsidDenylist != null && !mSsidDenylist.isEmpty()) {
+            writeAttributeValuesToXml(out, TAG_SSID_DENYLIST, TAG_SSID, mSsidDenylist);
+        }
     }
 
     void writeTextToXml(TypedXmlSerializer out, String tag, String text) throws IOException {
@@ -826,6 +849,14 @@
             } else if (TAG_USB_DATA_SIGNALING.equals(tag)) {
                 mUsbDataSignalingEnabled = parser.getAttributeBoolean(null, ATTR_VALUE,
                         USB_DATA_SIGNALING_ENABLED_DEFAULT);
+            } else if (TAG_WIFI_MIN_SECURITY.equals(tag)) {
+                mWifiMinimumSecurityLevel = parser.getAttributeInt(null, ATTR_VALUE);
+            } else if (TAG_SSID_ALLOWLIST.equals(tag)) {
+                mSsidAllowlist = new ArrayList<>();
+                readAttributeValues(parser, TAG_SSID, mSsidAllowlist);
+            } else if (TAG_SSID_DENYLIST.equals(tag)) {
+                mSsidDenylist = new ArrayList<>();
+                readAttributeValues(parser, TAG_SSID, mSsidDenylist);
             } else {
                 Slogf.w(LOG_TAG, "Unknown admin tag: %s", tag);
                 XmlUtils.skipCurrentTag(parser);
@@ -1184,5 +1215,14 @@
 
         pw.print("mUsbDataSignaling=");
         pw.println(mUsbDataSignalingEnabled);
+
+        pw.print("mWifiMinimumSecurityLevel=");
+        pw.println(mWifiMinimumSecurityLevel);
+
+        pw.print("mSsidAllowlist=");
+        pw.println(mSsidAllowlist);
+
+        pw.print("mSsidDenylist=");
+        pw.println(mSsidDenylist);
     }
 }
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index 7c0d549..92952cd 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -100,6 +100,18 @@
 import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE;
 import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA;
 import static android.app.admin.DevicePolicyManager.WIPE_SILENTLY;
+import static android.app.admin.DevicePolicyResources.Strings.Core.LOCATION_CHANGED_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.LOCATION_CHANGED_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.NETWORK_LOGGING_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.NETWORK_LOGGING_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.NOTIFICATION_WORK_PROFILE_CONTENT_DESCRIPTION;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PERSONAL_APP_SUSPENSION_TITLE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PERSONAL_APP_SUSPENSION_TURN_ON_PROFILE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.PRINTING_DISABLED_NAMED_ADMIN;
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_DELETED_FAILED_PASSWORD_ATTEMPTS_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_DELETED_GENERIC_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_DELETED_ORG_OWNED_MESSAGE;
+import static android.app.admin.DevicePolicyResources.Strings.Core.WORK_PROFILE_DELETED_TITLE;
 import static android.app.admin.ProvisioningException.ERROR_ADMIN_PACKAGE_INSTALLATION_FAILED;
 import static android.app.admin.ProvisioningException.ERROR_PRE_CONDITION_FAILED;
 import static android.app.admin.ProvisioningException.ERROR_PROFILE_CREATION_FAILED;
@@ -2236,7 +2248,7 @@
      * a managed profile.
      */
     @GuardedBy("getLockObject()")
-    private void applyManagedProfileRestrictionIfDeviceOwnerLocked() {
+    private void applyProfileRestrictionsIfDeviceOwnerLocked() {
         final int doUserId = mOwners.getDeviceOwnerUserId();
         if (doUserId == UserHandle.USER_NULL) {
             if (VERBOSE_LOG) Slogf.d(LOG_TAG, "No DO found, skipping application of restriction.");
@@ -2244,7 +2256,17 @@
         }
 
         final UserHandle doUserHandle = UserHandle.of(doUserId);
-        // Set the restriction if not set.
+
+        // Based on  CDD : https://source.android.com/compatibility/12/android-12-cdd#95_multi-user_support,
+        // creation of clone profile is not allowed in case device owner is set.
+        // Enforcing this restriction on setting up of device owner.
+        if (!mUserManager.hasUserRestriction(
+                UserManager.DISALLOW_ADD_CLONE_PROFILE, doUserHandle)) {
+            mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_CLONE_PROFILE, true,
+                    doUserHandle);
+        }
+        // Creation of managed profile is restricted in case device owner is set, enforcing this
+        // restriction by setting user level restriction at time of device owner setup.
         if (!mUserManager.hasUserRestriction(
                 UserManager.DISALLOW_ADD_MANAGED_PROFILE, doUserHandle)) {
             mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, true,
@@ -3153,7 +3175,7 @@
             case SystemService.PHASE_ACTIVITY_MANAGER_READY:
                 synchronized (getLockObject()) {
                     migrateToProfileOnOrganizationOwnedDeviceIfCompLocked();
-                    applyManagedProfileRestrictionIfDeviceOwnerLocked();
+                    applyProfileRestrictionsIfDeviceOwnerLocked();
                 }
                 maybeStartSecurityLogMonitorOnActivityManagerReady();
                 break;
@@ -3778,6 +3800,12 @@
             mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, false,
                     userHandle);
         }
+        // When a device owner is set, the system automatically restricts adding a clone profile.
+        // Remove this restriction when the device owner is cleared.
+        if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_CLONE_PROFILE, userHandle)) {
+            mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_CLONE_PROFILE, false,
+                    userHandle);
+        }
     }
 
     /**
@@ -6929,12 +6957,8 @@
         checkCanExecuteOrThrowUnsafe(DevicePolicyManager.OPERATION_WIPE_DATA);
 
         if (TextUtils.isEmpty(wipeReasonForUser)) {
-            if (calledByProfileOwnerOnOrgOwnedDevice && !calledOnParentInstance) {
-                wipeReasonForUser = mContext.getString(R.string.device_ownership_relinquished);
-            } else {
-                wipeReasonForUser = mContext.getString(
-                        R.string.work_profile_deleted_description_dpm_wipe);
-            }
+            wipeReasonForUser = getGenericWipeReason(
+                    calledByProfileOwnerOnOrgOwnedDevice, calledOnParentInstance);
         }
 
         int userId = admin != null ? admin.getUserHandle().getIdentifier()
@@ -6985,6 +7009,18 @@
         wipeDataNoLock(adminComp, flags, internalReason, wipeReasonForUser, userId);
     }
 
+    private String getGenericWipeReason(
+            boolean calledByProfileOwnerOnOrgOwnedDevice, boolean calledOnParentInstance) {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return calledByProfileOwnerOnOrgOwnedDevice && !calledOnParentInstance
+                ? dpm.getString(WORK_PROFILE_DELETED_ORG_OWNED_MESSAGE,
+                        () -> mContext.getString(
+                                R.string.device_ownership_relinquished))
+                : dpm.getString(WORK_PROFILE_DELETED_GENERIC_MESSAGE,
+                        () -> mContext.getString(
+                                R.string.work_profile_deleted_description_dpm_wipe));
+    }
+
     /**
      * Clears device wide policies enforced by COPE PO when relinquishing the device. This method
      * should be invoked once the admin is gone, so that all methods that rely on calculating
@@ -7069,7 +7105,7 @@
         Notification notification =
                 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN)
                         .setSmallIcon(android.R.drawable.stat_sys_warning)
-                        .setContentTitle(mContext.getString(R.string.work_profile_deleted))
+                        .setContentTitle(getWorkProfileDeletedTitle())
                         .setContentText(wipeReasonForUser)
                         .setColor(mContext.getColor(R.color.system_notification_accent_color))
                         .setStyle(new Notification.BigTextStyle().bigText(wipeReasonForUser))
@@ -7077,6 +7113,12 @@
         mInjector.getNotificationManager().notify(SystemMessage.NOTE_PROFILE_WIPED, notification);
     }
 
+    private String getWorkProfileDeletedTitle() {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(WORK_PROFILE_DELETED_TITLE,
+                () -> mContext.getString(R.string.work_profile_deleted));
+    }
+
     private void clearWipeProfileNotification() {
         mInjector.getNotificationManager().cancel(SystemMessage.NOTE_PROFILE_WIPED);
     }
@@ -7307,12 +7349,10 @@
             // able to do so).
             // IMPORTANT: Call without holding the lock to prevent deadlock.
             try {
-                String wipeReasonForUser = mContext.getString(
-                        R.string.work_profile_deleted_reason_maximum_password_failure);
                 wipeDataNoLock(strictestAdmin.info.getComponent(),
                         /*flags=*/ 0,
                         /*reason=*/ "reportFailedPasswordAttempt()",
-                        wipeReasonForUser,
+                        getFailedPasswordAttemptWipeMessage(),
                         userId);
             } catch (SecurityException e) {
                 Slogf.w(LOG_TAG, "Failed to wipe user " + userId
@@ -7326,6 +7366,13 @@
         }
     }
 
+    private String getFailedPasswordAttemptWipeMessage() {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(WORK_PROFILE_DELETED_FAILED_PASSWORD_ATTEMPTS_MESSAGE,
+                () -> mContext.getString(
+                        R.string.work_profile_deleted_reason_maximum_password_failure));
+    }
+
     /**
      * Returns which user should be wiped if this admin's maximum filed password attempts policy is
      * violated.
@@ -8470,6 +8517,12 @@
                 // on the primary profile).
                 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, true,
                         UserHandle.of(userId));
+                // Restrict adding a clone profile when a device owner is set on the device.
+                // That is to prevent the co-existence of a clone profile and a device owner
+                // on the same device.
+                // CDD for reference : https://source.android.com/compatibility/12/android-12-cdd#95_multi-user_support
+                mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_CLONE_PROFILE, true,
+                        UserHandle.of(userId));
                 // TODO Send to system too?
                 sendOwnerChangedBroadcast(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED, userId);
             });
@@ -8942,7 +8995,7 @@
         mOwners.writeProfileOwner(userId);
         deleteTransferOwnershipBundleLocked(userId);
         toggleBackupServiceActive(userId, true);
-        applyManagedProfileRestrictionIfDeviceOwnerLocked();
+        applyProfileRestrictionsIfDeviceOwnerLocked();
         setNetworkLoggingActiveInternal(false);
     }
 
@@ -12397,8 +12450,8 @@
         Notification notification = new Notification.Builder(mContext,
                 SystemNotificationChannels.DEVICE_ADMIN)
                 .setSmallIcon(R.drawable.ic_info_outline)
-                .setContentTitle(mContext.getString(R.string.location_changed_notification_title))
-                .setContentText(mContext.getString(R.string.location_changed_notification_text))
+                .setContentTitle(getLocationChangedTitle())
+                .setContentText(getLocationChangedText())
                 .setColor(mContext.getColor(R.color.system_notification_accent_color))
                 .setShowWhen(true)
                 .setContentIntent(locationSettingsIntent)
@@ -12408,6 +12461,18 @@
                 notification);
     }
 
+    private String getLocationChangedTitle() {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(LOCATION_CHANGED_TITLE,
+                () -> mContext.getString(R.string.location_changed_notification_title));
+    }
+
+    private String getLocationChangedText() {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(LOCATION_CHANGED_MESSAGE,
+                () -> mContext.getString(R.string.location_changed_notification_text));
+    }
+
     @Override
     public boolean setTime(ComponentName who, long millis) {
         Objects.requireNonNull(who, "ComponentName is null");
@@ -12998,11 +13063,19 @@
                     Slogf.e(LOG_TAG, "appLabel is inexplicably null");
                     return null;
                 }
-                return ((Context) ActivityThread.currentActivityThread().getSystemUiContext())
-                        .getResources().getString(R.string.printing_disabled_by, appLabel);
+                DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+                return dpm.getString(
+                        PRINTING_DISABLED_NAMED_ADMIN,
+                        () -> getDefaultPrintingDisabledMsg(appLabel),
+                        appLabel);
             }
         }
 
+        private String getDefaultPrintingDisabledMsg(CharSequence appLabel) {
+            return ((Context) ActivityThread.currentActivityThread().getSystemUiContext())
+                        .getResources().getString(R.string.printing_disabled_by, appLabel);
+        }
+
         @Override
         protected DevicePolicyCache getDevicePolicyCache() {
             return mPolicyCache;
@@ -15534,16 +15607,18 @@
         // Simple notification clicks are immutable
         final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent,
                 PendingIntent.FLAG_IMMUTABLE, UserHandle.CURRENT);
+
+        final String title = getNetworkLoggingTitle();
+        final String text = getNetworkLoggingText();
         Notification notification =
                 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN)
                 .setSmallIcon(R.drawable.ic_info_outline)
-                .setContentTitle(mContext.getString(R.string.network_logging_notification_title))
-                .setContentText(mContext.getString(R.string.network_logging_notification_text))
-                .setTicker(mContext.getString(R.string.network_logging_notification_title))
+                .setContentTitle(title)
+                .setContentText(text)
+                .setTicker(title)
                 .setShowWhen(true)
                 .setContentIntent(pendingIntent)
-                .setStyle(new Notification.BigTextStyle()
-                        .bigText(mContext.getString(R.string.network_logging_notification_text)))
+                .setStyle(new Notification.BigTextStyle().bigText(text))
                 .build();
         Slogf.i(LOG_TAG, "Sending network logging notification to user %d",
                 mNetworkLoggingNotificationUserId);
@@ -15552,6 +15627,18 @@
                 UserHandle.of(mNetworkLoggingNotificationUserId));
     }
 
+    private String getNetworkLoggingTitle() {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(NETWORK_LOGGING_TITLE,
+                () -> mContext.getString(R.string.network_logging_notification_title));
+    }
+
+    private String getNetworkLoggingText() {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(NETWORK_LOGGING_MESSAGE,
+                () -> mContext.getString(R.string.network_logging_notification_text));
+    }
+
     private void handleCancelNetworkLoggingNotification() {
         if (mNetworkLoggingNotificationUserId == UserHandle.USER_NULL) {
             // Happens when setNetworkLoggingActive(false) is called before called with true
@@ -17044,10 +17131,8 @@
                 0 /* requestCode */, intent,
                 PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
 
-        final String buttonText =
-                mContext.getString(R.string.personal_apps_suspended_turn_profile_on);
-        final Notification.Action turnProfileOnButton =
-                new Notification.Action.Builder(null /* icon */, buttonText, pendingIntent).build();
+        final Notification.Action turnProfileOnButton = new Notification.Action.Builder(
+                /* icon= */ null, getPersonalAppSuspensionButtonText(), pendingIntent).build();
 
         final String text;
         final boolean ongoing;
@@ -17059,26 +17144,24 @@
                     mContext, profileOwner.mProfileOffDeadline, DateUtils.FORMAT_SHOW_DATE);
             final String time = DateUtils.formatDateTime(
                     mContext, profileOwner.mProfileOffDeadline, DateUtils.FORMAT_SHOW_TIME);
-            text = mContext.getString(
-                    R.string.personal_apps_suspension_soon_text, date, time, maxDays);
+            text = getPersonalAppSuspensionSoonText(date, time, maxDays);
             ongoing = false;
         } else {
-            text = mContext.getString(R.string.personal_apps_suspension_text);
+            text = getPersonalAppSuspensionText();
             ongoing = true;
         }
         final int color = mContext.getColor(R.color.personal_apps_suspension_notification_color);
         final Bundle extras = new Bundle();
         // TODO: Create a separate string for this.
-        extras.putString(Notification.EXTRA_SUBSTITUTE_APP_NAME,
-                mContext.getString(R.string.notification_work_profile_content_description));
+        extras.putString(
+                Notification.EXTRA_SUBSTITUTE_APP_NAME, getWorkProfileContentDescription());
 
         final Notification notification =
                 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN)
                         .setSmallIcon(R.drawable.ic_corp_badge_no_background)
                         .setOngoing(ongoing)
                         .setAutoCancel(false)
-                        .setContentTitle(mContext.getString(
-                                R.string.personal_apps_suspension_title))
+                        .setContentTitle(getPersonalAppSuspensionTitle())
                         .setContentText(text)
                         .setStyle(new Notification.BigTextStyle().bigText(text))
                         .setColor(color)
@@ -17089,6 +17172,38 @@
                 SystemMessage.NOTE_PERSONAL_APPS_SUSPENDED, notification);
     }
 
+    private String getPersonalAppSuspensionButtonText() {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(PERSONAL_APP_SUSPENSION_TURN_ON_PROFILE,
+                () -> mContext.getString(R.string.personal_apps_suspended_turn_profile_on));
+    }
+
+    private String getPersonalAppSuspensionTitle() {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(PERSONAL_APP_SUSPENSION_TITLE,
+                () -> mContext.getString(R.string.personal_apps_suspension_title));
+    }
+
+    private String getPersonalAppSuspensionText() {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(PERSONAL_APP_SUSPENSION_TITLE,
+                () -> mContext.getString(R.string.personal_apps_suspension_text));
+    }
+
+    private String getPersonalAppSuspensionSoonText(String date, String time, int maxDays) {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(PERSONAL_APP_SUSPENSION_TITLE,
+                () -> mContext.getString(
+                        R.string.personal_apps_suspension_soon_text, date, time, maxDays),
+                date, time, maxDays);
+    }
+
+    private String getWorkProfileContentDescription() {
+        DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+        return dpm.getString(NOTIFICATION_WORK_PROFILE_CONTENT_DESCRIPTION,
+                () -> mContext.getString(R.string.notification_work_profile_content_description));
+    }
+
     @Override
     public void setManagedProfileMaximumTimeOff(ComponentName who, long timeoutMillis) {
         Objects.requireNonNull(who, "ComponentName is null");
@@ -17979,6 +18094,117 @@
         );
     }
 
+    private void validateCurrentWifiMeetsAdminRequirements() {
+        mInjector.binderWithCleanCallingIdentity(
+                () -> mInjector.getWifiManager().validateCurrentWifiMeetsAdminRequirements());
+    }
+
+    @Override
+    public void setMinimumRequiredWifiSecurityLevel(int level) {
+        final CallerIdentity caller = getCallerIdentity();
+        Preconditions.checkCallAuthorization(
+                isDeviceOwner(caller) || isProfileOwnerOfOrganizationOwnedDevice(caller),
+                "Wi-Fi minimum security level can only be controlled by a device owner or "
+                        + "a profile owner on an organization-owned device.");
+
+        boolean valueChanged = false;
+        synchronized (getLockObject()) {
+            final ActiveAdmin admin = getProfileOwnerOrDeviceOwnerLocked(caller);
+            if (admin.mWifiMinimumSecurityLevel != level) {
+                admin.mWifiMinimumSecurityLevel = level;
+                saveSettingsLocked(caller.getUserId());
+                valueChanged = true;
+            }
+        }
+        if (valueChanged) validateCurrentWifiMeetsAdminRequirements();
+    }
+
+    @Override
+    public int getMinimumRequiredWifiSecurityLevel() {
+        synchronized (getLockObject()) {
+            final ActiveAdmin admin = getDeviceOwnerOrProfileOwnerOfOrganizationOwnedDeviceLocked(
+                    UserHandle.USER_SYSTEM);
+            return (admin == null) ? DevicePolicyManager.WIFI_SECURITY_OPEN
+                    : admin.mWifiMinimumSecurityLevel;
+        }
+    }
+
+    @Override
+    public void setSsidAllowlist(List<String> ssids) {
+        final CallerIdentity caller = getCallerIdentity();
+        Preconditions.checkCallAuthorization(
+                isDeviceOwner(caller) || isProfileOwnerOfOrganizationOwnedDevice(caller),
+                "SSID allowlist can only be controlled by a device owner or "
+                        + "a profile owner on an organization-owned device.");
+
+        Collections.sort(ssids);
+        boolean changed = false;
+        synchronized (getLockObject()) {
+            final ActiveAdmin admin = getProfileOwnerOrDeviceOwnerLocked(caller);
+            if (!ssids.equals(admin.mSsidAllowlist)) {
+                admin.mSsidAllowlist = ssids;
+                admin.mSsidDenylist = null;
+                changed = true;
+            }
+            if (changed) saveSettingsLocked(caller.getUserId());
+        }
+        if (changed) validateCurrentWifiMeetsAdminRequirements();
+    }
+
+    @Override
+    public List<String> getSsidAllowlist() {
+        final CallerIdentity caller = getCallerIdentity();
+        Preconditions.checkCallAuthorization(
+                isDeviceOwner(caller) || isProfileOwnerOfOrganizationOwnedDevice(caller)
+                        || isSystemUid(caller),
+                "SSID allowlist can only be retrieved by a device owner or "
+                        + "a profile owner on an organization-owned device or a system app.");
+        synchronized (getLockObject()) {
+            final ActiveAdmin admin = getDeviceOwnerOrProfileOwnerOfOrganizationOwnedDeviceLocked(
+                    UserHandle.USER_SYSTEM);
+            return (admin == null || admin.mSsidAllowlist == null) ? new ArrayList<>()
+                    : admin.mSsidAllowlist;
+        }
+    }
+
+    @Override
+    public void setSsidDenylist(List<String> ssids) {
+        final CallerIdentity caller = getCallerIdentity();
+        Preconditions.checkCallAuthorization(
+                isDeviceOwner(caller) || isProfileOwnerOfOrganizationOwnedDevice(caller),
+                "SSID denylist can only be controlled by a device owner or "
+                        + "a profile owner on an organization-owned device.");
+
+        Collections.sort(ssids);
+        boolean changed = false;
+        synchronized (getLockObject()) {
+            final ActiveAdmin admin = getProfileOwnerOrDeviceOwnerLocked(caller);
+            if (!ssids.equals(admin.mSsidDenylist)) {
+                admin.mSsidDenylist = ssids;
+                admin.mSsidAllowlist = null;
+                changed = true;
+            }
+            if (changed) saveSettingsLocked(caller.getUserId());
+        }
+        if (changed) validateCurrentWifiMeetsAdminRequirements();
+    }
+
+    @Override
+    public List<String> getSsidDenylist() {
+        final CallerIdentity caller = getCallerIdentity();
+        Preconditions.checkCallAuthorization(
+                isDeviceOwner(caller) || isProfileOwnerOfOrganizationOwnedDevice(caller)
+                        || isSystemUid(caller),
+                "SSID denylist can only be retrieved by a device owner or "
+                        + "a profile owner on an organization-owned device or a system app.");
+        synchronized (getLockObject()) {
+            final ActiveAdmin admin = getDeviceOwnerOrProfileOwnerOfOrganizationOwnedDeviceLocked(
+                    UserHandle.USER_SYSTEM);
+            return (admin == null || admin.mSsidDenylist == null) ? new ArrayList<>()
+                    : admin.mSsidDenylist;
+        }
+    }
+
     @Override
     public void setDrawables(@NonNull List<DevicePolicyDrawableResource> drawables) {
         Preconditions.checkCallAuthorization(hasCallingOrSelfPermission(
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index a7b7d1a..ad8753d 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -54,6 +54,7 @@
 import android.net.ConnectivityManager;
 import android.net.ConnectivityModuleConnector;
 import android.net.NetworkStackClient;
+import android.net.TrafficStats;
 import android.os.BaseBundle;
 import android.os.Binder;
 import android.os.Build;
@@ -103,6 +104,7 @@
 import com.android.internal.util.FrameworkStatsLog;
 import com.android.internal.widget.ILockSettings;
 import com.android.server.am.ActivityManagerService;
+import com.android.server.ambientcontext.AmbientContextManagerService;
 import com.android.server.appbinding.AppBindingService;
 import com.android.server.art.ArtManagerLocal;
 import com.android.server.attention.AttentionManagerService;
@@ -1809,6 +1811,7 @@
             startRotationResolverService(context, t);
             startSystemCaptionsManagerService(context, t);
             startTextToSpeechManagerService(context, t);
+            startAmbientContextService(t);
 
             // System Speech Recognition Service
             t.traceBegin("StartSpeechRecognitionManagerService");
@@ -1903,6 +1906,7 @@
             try {
                 networkStats = NetworkStatsService.create(context);
                 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats);
+                TrafficStats.init(context);
             } catch (Throwable e) {
                 reportWtf("starting NetworkStats Service", e);
             }
@@ -3160,6 +3164,17 @@
 
     }
 
+    private void startAmbientContextService(@NonNull TimingsTraceAndSlog t) {
+        if (!AmbientContextManagerService.isDetectionServiceConfigured()) {
+            Slog.d(TAG, "AmbientContextDetectionService is not configured on this device");
+            return;
+        }
+
+        t.traceBegin("StartAmbientContextService");
+        mSystemServiceManager.startService(AmbientContextManagerService.class);
+        t.traceEnd();
+    }
+
     private static void startSystemUi(Context context, WindowManagerService windowManager) {
         PackageManagerInternal pm = LocalServices.getService(PackageManagerInternal.class);
         Intent intent = new Intent();
diff --git a/services/tests/mockingservicestests/src/android/service/games/GameSessionTest.java b/services/tests/mockingservicestests/src/android/service/games/GameSessionTest.java
index fe6af94..fec9b12 100644
--- a/services/tests/mockingservicestests/src/android/service/games/GameSessionTest.java
+++ b/services/tests/mockingservicestests/src/android/service/games/GameSessionTest.java
@@ -20,6 +20,8 @@
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.mockitoSession;
 import static com.android.internal.util.ConcurrentUtils.DIRECT_EXECUTOR;
 
+import static com.google.common.truth.Truth.assertThat;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -29,11 +31,12 @@
 import android.graphics.Bitmap;
 import android.platform.test.annotations.Presubmit;
 import android.service.games.GameSession.ScreenshotCallback;
+import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper;
 import android.view.SurfaceControlViewHost;
 
 import androidx.test.InstrumentationRegistry;
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.infra.AndroidFuture;
 
@@ -44,15 +47,18 @@
 import org.mockito.Mock;
 import org.mockito.MockitoSession;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
 /**
  * Unit tests for the {@link android.service.games.GameSession}.
  */
-@RunWith(AndroidJUnit4.class)
+@RunWith(AndroidTestingRunner.class)
 @SmallTest
 @Presubmit
+@TestableLooper.RunWithLooper(setAsMainLooper = true)
 public final class GameSessionTest {
     private static final long WAIT_FOR_CALLBACK_TIMEOUT_MS = TimeUnit.SECONDS.toMillis(1);
     private static final Bitmap TEST_BITMAP = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
@@ -61,8 +67,7 @@
     private IGameSessionController mMockGameSessionController;
     @Mock
     SurfaceControlViewHost mSurfaceControlViewHost;
-    private GameSession mGameSession;
-
+    private LifecycleTrackingGameSession mGameSession;
     private MockitoSession mMockitoSession;
 
     @Before
@@ -71,7 +76,7 @@
                 .initMocks(this)
                 .startMocking();
 
-        mGameSession = new GameSession() {};
+        mGameSession = new LifecycleTrackingGameSession() {};
         mGameSession.attach(mMockGameSessionController, /* taskId= */ 10,
                 InstrumentationRegistry.getContext(),
                 mSurfaceControlViewHost,
@@ -191,4 +196,196 @@
         assertTrue(countDownLatch.await(
                 WAIT_FOR_CALLBACK_TIMEOUT_MS, TimeUnit.MILLISECONDS));
     }
+
+    @Test
+    public void moveState_InitializedToInitialized_noLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.INITIALIZED);
+
+        assertThat(mGameSession.mLifecycleMethodCalls.isEmpty()).isTrue();
+    }
+
+    @Test
+    public void moveState_FullLifecycle_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.DESTROYED);
+
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_FOCUSED,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_UNFOCUSED,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_DESTROY).inOrder();
+    }
+
+    @Test
+    public void moveState_DestroyedWhenInitialized_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.DESTROYED);
+
+        // ON_CREATE is always called before ON_DESTROY.
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_DESTROY).inOrder();
+    }
+
+    @Test
+    public void moveState_DestroyedWhenFocused_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.DESTROYED);
+
+        // The ON_GAME_TASK_UNFOCUSED lifecycle event is implied because the session is destroyed
+        // while in focus.
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_FOCUSED,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_UNFOCUSED,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_DESTROY).inOrder();
+    }
+
+    @Test
+    public void moveState_FocusCycled_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_UNFOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_UNFOCUSED);
+
+        // Both cycles from focus and unfocus are captured.
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_FOCUSED,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_UNFOCUSED,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_FOCUSED,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_UNFOCUSED).inOrder();
+    }
+
+    @Test
+    public void moveState_MultipleFocusAndUnfocusCalls_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_UNFOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_UNFOCUSED);
+
+        // The second TASK_FOCUSED call and the second TASK_UNFOCUSED call are ignored.
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_FOCUSED,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_UNFOCUSED).inOrder();
+    }
+
+    @Test
+    public void moveState_CreatedAfterFocused_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+
+        // The second CREATED call is ignored.
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_FOCUSED).inOrder();
+    }
+
+    @Test
+    public void moveState_UnfocusedWithoutFocused_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_UNFOCUSED);
+
+        // The TASK_UNFOCUSED call without an earlier TASK_FOCUSED call is ignored.
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE).inOrder();
+    }
+
+    @Test
+    public void moveState_NeverFocused_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.DESTROYED);
+
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_DESTROY).inOrder();
+    }
+
+    @Test
+    public void moveState_MultipleFocusCalls_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+
+        // The extra TASK_FOCUSED moves are ignored.
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_GAME_TASK_FOCUSED).inOrder();
+    }
+
+    @Test
+    public void moveState_MultipleCreateCalls_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+
+        // The extra CREATE moves are ignored.
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE).inOrder();
+    }
+
+    @Test
+    public void moveState_FocusBeforeCreate_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+
+        // The TASK_FOCUSED move before CREATE is ignored.
+        assertThat(mGameSession.mLifecycleMethodCalls.isEmpty()).isTrue();
+    }
+
+    @Test
+    public void moveState_UnfocusBeforeCreate_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_UNFOCUSED);
+
+        // The TASK_UNFOCUSED move before CREATE is ignored.
+        assertThat(mGameSession.mLifecycleMethodCalls.isEmpty()).isTrue();
+    }
+
+    @Test
+    public void moveState_FocusWhenDestroyed_ExpectedLifecycleCalls() throws Exception {
+        mGameSession.moveToState(GameSession.LifecycleState.CREATED);
+        mGameSession.moveToState(GameSession.LifecycleState.DESTROYED);
+        mGameSession.moveToState(GameSession.LifecycleState.TASK_FOCUSED);
+
+        // The TASK_FOCUSED move after DESTROYED is ignored.
+        assertThat(mGameSession.mLifecycleMethodCalls).containsExactly(
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_CREATE,
+                LifecycleTrackingGameSession.LifecycleMethodCall.ON_DESTROY).inOrder();
+    }
+
+    private static class LifecycleTrackingGameSession extends GameSession {
+        private enum LifecycleMethodCall {
+            ON_CREATE,
+            ON_DESTROY,
+            ON_GAME_TASK_FOCUSED,
+            ON_GAME_TASK_UNFOCUSED
+        }
+
+        final List<LifecycleMethodCall> mLifecycleMethodCalls = new ArrayList<>();
+
+        @Override
+        public void onCreate() {
+            mLifecycleMethodCalls.add(LifecycleMethodCall.ON_CREATE);
+        }
+
+        @Override
+        public void onDestroy() {
+            mLifecycleMethodCalls.add(LifecycleMethodCall.ON_DESTROY);
+        }
+
+        @Override
+        public void onGameTaskFocusChanged(boolean focused) {
+            if (focused) {
+                mLifecycleMethodCalls.add(LifecycleMethodCall.ON_GAME_TASK_FOCUSED);
+            } else {
+                mLifecycleMethodCalls.add(LifecycleMethodCall.ON_GAME_TASK_UNFOCUSED);
+            }
+        }
+    }
 }
diff --git a/services/tests/mockingservicestests/src/com/android/server/app/GameManagerServiceTests.java b/services/tests/mockingservicestests/src/com/android/server/app/GameManagerServiceTests.java
index d6705a5..0198253 100644
--- a/services/tests/mockingservicestests/src/com/android/server/app/GameManagerServiceTests.java
+++ b/services/tests/mockingservicestests/src/com/android/server/app/GameManagerServiceTests.java
@@ -20,6 +20,7 @@
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.anyInt;
@@ -28,6 +29,7 @@
 
 import android.Manifest;
 import android.app.GameManager;
+import android.app.GameModeInfo;
 import android.content.Context;
 import android.content.ContextWrapper;
 import android.content.pm.ApplicationInfo;
@@ -515,7 +517,7 @@
     public void testDeviceConfigDefault() {
         mockDeviceConfigDefault();
         mockModifyGameModeGranted();
-        checkReportedModes(null, GameManager.GAME_MODE_UNSUPPORTED);
+        checkReportedModes(null);
     }
 
     /**
@@ -525,7 +527,7 @@
     public void testDeviceConfigNone() {
         mockDeviceConfigNone();
         mockModifyGameModeGranted();
-        checkReportedModes(null, GameManager.GAME_MODE_UNSUPPORTED);
+        checkReportedModes(null);
     }
 
     /**
@@ -566,7 +568,7 @@
     public void testDeviceConfigInvalid() {
         mockDeviceConfigInvalid();
         mockModifyGameModeGranted();
-        checkReportedModes(null, GameManager.GAME_MODE_UNSUPPORTED);
+        checkReportedModes(null);
     }
 
     /**
@@ -576,7 +578,7 @@
     public void testDeviceConfigMalformed() {
         mockDeviceConfigMalformed();
         mockModifyGameModeGranted();
-        checkReportedModes(null, GameManager.GAME_MODE_UNSUPPORTED);
+        checkReportedModes(null);
     }
 
     /**
@@ -966,4 +968,84 @@
     static {
         System.loadLibrary("mockingservicestestjni");
     }
+    @Test
+    public void testGetGameModeInfoPermissionDenied() {
+        mockDeviceConfigAll();
+        GameManagerService gameManagerService =
+                new GameManagerService(mMockContext, mTestLooper.getLooper());
+        startUser(gameManagerService, USER_ID_1);
+
+        // Deny permission.MANAGE_GAME_MODE and verify the game mode is not updated.
+        mockModifyGameModeDenied();
+        assertThrows(SecurityException.class,
+                () -> gameManagerService.getGameModeInfo(mPackageName, USER_ID_1));
+    }
+
+    @Test
+    public void testGetGameModeInfoWithAllGameModesDefault() {
+        mockDeviceConfigAll();
+        mockModifyGameModeGranted();
+        GameManagerService gameManagerService =
+                new GameManagerService(mMockContext, mTestLooper.getLooper());
+        startUser(gameManagerService, USER_ID_1);
+        GameModeInfo gameModeInfo = gameManagerService.getGameModeInfo(mPackageName, USER_ID_1);
+
+        assertEquals(GameManager.GAME_MODE_STANDARD, gameModeInfo.getActiveGameMode());
+        assertEquals(3, gameModeInfo.getAvailableGameModes().length);
+    }
+
+    @Test
+    public void testGetGameModeInfoWithAllGameModes() {
+        mockDeviceConfigAll();
+        mockModifyGameModeGranted();
+        GameManagerService gameManagerService =
+                new GameManagerService(mMockContext, mTestLooper.getLooper());
+        startUser(gameManagerService, USER_ID_1);
+        gameManagerService.setGameMode(mPackageName, GameManager.GAME_MODE_PERFORMANCE, USER_ID_1);
+        GameModeInfo gameModeInfo = gameManagerService.getGameModeInfo(mPackageName, USER_ID_1);
+
+        assertEquals(GameManager.GAME_MODE_PERFORMANCE, gameModeInfo.getActiveGameMode());
+        assertEquals(3, gameModeInfo.getAvailableGameModes().length);
+    }
+
+    @Test
+    public void testGetGameModeInfoWithBatteryMode() {
+        mockDeviceConfigBattery();
+        mockModifyGameModeGranted();
+        GameManagerService gameManagerService =
+                new GameManagerService(mMockContext, mTestLooper.getLooper());
+        startUser(gameManagerService, USER_ID_1);
+        gameManagerService.setGameMode(mPackageName, GameManager.GAME_MODE_BATTERY, USER_ID_1);
+        GameModeInfo gameModeInfo = gameManagerService.getGameModeInfo(mPackageName, USER_ID_1);
+
+        assertEquals(GameManager.GAME_MODE_BATTERY, gameModeInfo.getActiveGameMode());
+        assertEquals(2, gameModeInfo.getAvailableGameModes().length);
+    }
+
+    @Test
+    public void testGetGameModeInfoWithPerformanceMode() {
+        mockDeviceConfigPerformance();
+        mockModifyGameModeGranted();
+        GameManagerService gameManagerService =
+                new GameManagerService(mMockContext, mTestLooper.getLooper());
+        startUser(gameManagerService, USER_ID_1);
+        gameManagerService.setGameMode(mPackageName, GameManager.GAME_MODE_PERFORMANCE, USER_ID_1);
+        GameModeInfo gameModeInfo = gameManagerService.getGameModeInfo(mPackageName, USER_ID_1);
+
+        assertEquals(GameManager.GAME_MODE_PERFORMANCE, gameModeInfo.getActiveGameMode());
+        assertEquals(2, gameModeInfo.getAvailableGameModes().length);
+    }
+
+    @Test
+    public void testGetGameModeInfoWithUnsupportedGameMode() {
+        mockDeviceConfigNone();
+        mockModifyGameModeGranted();
+        GameManagerService gameManagerService =
+                new GameManagerService(mMockContext, mTestLooper.getLooper());
+        startUser(gameManagerService, USER_ID_1);
+        GameModeInfo gameModeInfo = gameManagerService.getGameModeInfo(mPackageName, USER_ID_1);
+
+        assertEquals(GameManager.GAME_MODE_UNSUPPORTED, gameModeInfo.getActiveGameMode());
+        assertEquals(0, gameModeInfo.getAvailableGameModes().length);
+    }
 }
diff --git a/services/tests/mockingservicestests/src/com/android/server/app/GameServiceProviderInstanceImplTest.java b/services/tests/mockingservicestests/src/com/android/server/app/GameServiceProviderInstanceImplTest.java
index aacd015..bdfa3bf 100644
--- a/services/tests/mockingservicestests/src/com/android/server/app/GameServiceProviderInstanceImplTest.java
+++ b/services/tests/mockingservicestests/src/com/android/server/app/GameServiceProviderInstanceImplTest.java
@@ -34,6 +34,7 @@
 
 import android.annotation.Nullable;
 import android.app.ActivityManager.RunningTaskInfo;
+import android.app.ActivityTaskManager;
 import android.app.IActivityTaskManager;
 import android.app.ITaskStackListener;
 import android.content.ComponentName;
@@ -331,6 +332,7 @@
                 .complete(new CreateGameSessionResult(gameSession10, mockSurfacePackage10));
 
         assertThat(gameSession10.mIsDestroyed).isFalse();
+        assertThat(gameSession10.mIsFocused).isFalse();
     }
 
     @Test
@@ -365,6 +367,45 @@
     }
 
     @Test
+    public void gameTaskFocused_propagatedToGameSession() throws Exception {
+        mGameServiceProviderInstance.start();
+        startTask(10, GAME_A_MAIN_ACTIVITY);
+        mFakeGameService.requestCreateGameSession(10);
+
+        FakeGameSession gameSession10 = new FakeGameSession();
+        SurfacePackage mockSurfacePackage10 = Mockito.mock(SurfacePackage.class);
+        mFakeGameSessionService.removePendingFutureForTaskId(10)
+                .complete(new CreateGameSessionResult(gameSession10, mockSurfacePackage10));
+
+        assertThat(gameSession10.mIsFocused).isFalse();
+
+        dispatchTaskFocused(10, /*focused=*/ true);
+        assertThat(gameSession10.mIsFocused).isTrue();
+
+        dispatchTaskFocused(10, /*focused=*/ false);
+        assertThat(gameSession10.mIsFocused).isFalse();
+    }
+
+    @Test
+    public void gameTaskAlreadyFocusedWhenGameSessionCreated_propagatedToGameSession()
+            throws Exception {
+        ActivityTaskManager.RootTaskInfo gameATaskInfo = new ActivityTaskManager.RootTaskInfo();
+        gameATaskInfo.taskId = 10;
+        when(mMockActivityTaskManager.getFocusedRootTaskInfo()).thenReturn(gameATaskInfo);
+
+        mGameServiceProviderInstance.start();
+        startTask(10, GAME_A_MAIN_ACTIVITY);
+        mFakeGameService.requestCreateGameSession(10);
+
+        FakeGameSession gameSession10 = new FakeGameSession();
+        SurfacePackage mockSurfacePackage10 = Mockito.mock(SurfacePackage.class);
+        mFakeGameSessionService.removePendingFutureForTaskId(10)
+                .complete(new CreateGameSessionResult(gameSession10, mockSurfacePackage10));
+
+        assertThat(gameSession10.mIsFocused).isTrue();
+    }
+
+    @Test
     public void gameTaskRemoved_whileAwaitingGameSessionAttached_destroysGameSession()
             throws Exception {
         mGameServiceProviderInstance.start();
@@ -647,6 +688,12 @@
         });
     }
 
+    private void dispatchTaskFocused(int taskId, boolean focused) {
+        dispatchTaskChangeEvent(taskStackListener -> {
+            taskStackListener.onTaskFocusChanged(taskId, focused);
+        });
+    }
+
     private void dispatchTaskChangeEvent(
             ThrowingConsumer<ITaskStackListener> taskStackListenerConsumer) {
         for (ITaskStackListener taskStackListener : mTaskStackListeners) {
@@ -767,10 +814,16 @@
 
     private static class FakeGameSession extends IGameSession.Stub {
         boolean mIsDestroyed = false;
+        boolean mIsFocused = false;
 
         @Override
-        public void destroy() {
+        public void onDestroyed() {
             mIsDestroyed = true;
         }
+
+        @Override
+        public void onTaskFocusChanged(boolean focused) {
+            mIsFocused = focused;
+        }
     }
 }
\ No newline at end of file
diff --git a/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java
index 36c37c4..677f0f6 100644
--- a/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/ActivityManagerServiceTest.java
@@ -541,11 +541,14 @@
                     | ActivityManager.UID_OBSERVER_CAPABILITY
         };
         final IUidObserver[] observers = new IUidObserver.Stub[changesToObserve.length];
+        doReturn(Process.myUid()).when(sPackageManagerInternal)
+                .getPackageUid(mContext.getOpPackageName(), 0 /* flags */, mContext.getUserId());
         for (int i = 0; i < observers.length; ++i) {
             observers[i] = mock(IUidObserver.Stub.class);
             when(observers[i].asBinder()).thenReturn((IBinder) observers[i]);
             mAms.registerUidObserver(observers[i], changesToObserve[i] /* which */,
-                    ActivityManager.PROCESS_STATE_UNKNOWN /* cutpoint */, null /* caller */);
+                    ActivityManager.PROCESS_STATE_UNKNOWN /* cutpoint */,
+                    mContext.getOpPackageName());
 
             // When we invoke AMS.registerUidObserver, there are some interactions with observers[i]
             // mock in RemoteCallbackList class. We don't want to test those interactions and
@@ -674,10 +677,12 @@
         mockNoteOperation();
 
         final IUidObserver observer = mock(IUidObserver.Stub.class);
-
         when(observer.asBinder()).thenReturn((IBinder) observer);
+        doReturn(Process.myUid()).when(sPackageManagerInternal)
+                .getPackageUid(mContext.getOpPackageName(), 0 /* flags */, mContext.getUserId());
         mAms.registerUidObserver(observer, ActivityManager.UID_OBSERVER_PROCSTATE /* which */,
-                ActivityManager.PROCESS_STATE_SERVICE /* cutpoint */, null /* callingPackage */);
+                ActivityManager.PROCESS_STATE_SERVICE /* cutpoint */,
+                mContext.getOpPackageName());
         // When we invoke AMS.registerUidObserver, there are some interactions with observer
         // mock in RemoteCallbackList class. We don't want to test those interactions and
         // at the same time, we don't want those to interfere with verifyNoMoreInteractions.
@@ -771,7 +776,9 @@
 
         final IUidObserver observer = mock(IUidObserver.Stub.class);
         when(observer.asBinder()).thenReturn((IBinder) observer);
-        mAms.registerUidObserver(observer, 0, 0, null);
+        doReturn(Process.myUid()).when(sPackageManagerInternal)
+                .getPackageUid(mContext.getOpPackageName(), 0 /* flags */, mContext.getUserId());
+        mAms.registerUidObserver(observer, 0, 0, mContext.getOpPackageName());
         // Verify that when observers are registered, then validateUids is correctly updated.
         addPendingUidChanges(pendingItemsForUids);
         mAms.mUidObserverController.dispatchUidsChanged();
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
index 1228d62..8a5b16e 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
@@ -18,7 +18,6 @@
 import static android.app.AppOpsManager.MODE_ALLOWED;
 import static android.app.AppOpsManager.MODE_DEFAULT;
 import static android.app.AppOpsManager.OP_ACTIVATE_VPN;
-import static android.app.Notification.EXTRA_TEXT;
 import static android.app.Notification.EXTRA_TITLE;
 import static android.app.admin.DevicePolicyManager.ACTION_CHECK_POLICY_COMPLIANCE;
 import static android.app.admin.DevicePolicyManager.DELEGATION_APP_RESTRICTIONS;
@@ -34,6 +33,10 @@
 import static android.app.admin.DevicePolicyManager.PASSWORD_COMPLEXITY_MEDIUM;
 import static android.app.admin.DevicePolicyManager.PASSWORD_COMPLEXITY_NONE;
 import static android.app.admin.DevicePolicyManager.PRIVATE_DNS_SET_NO_ERROR;
+import static android.app.admin.DevicePolicyManager.WIFI_SECURITY_ENTERPRISE_192;
+import static android.app.admin.DevicePolicyManager.WIFI_SECURITY_ENTERPRISE_EAP;
+import static android.app.admin.DevicePolicyManager.WIFI_SECURITY_OPEN;
+import static android.app.admin.DevicePolicyManager.WIFI_SECURITY_PERSONAL;
 import static android.app.admin.DevicePolicyManager.WIPE_EUICC;
 import static android.app.admin.PasswordMetrics.computeForPasswordOrPin;
 import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE;
@@ -91,6 +94,7 @@
 import android.app.admin.FactoryResetProtectionPolicy;
 import android.app.admin.PasswordMetrics;
 import android.app.admin.SystemUpdatePolicy;
+import android.app.admin.WifiSsidPolicy;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Intent;
@@ -1112,6 +1116,10 @@
                 eq(UserManager.DISALLOW_ADD_MANAGED_PROFILE),
                 eq(true), eq(UserHandle.SYSTEM));
 
+        verify(getServices().userManager, times(1)).setUserRestriction(
+                eq(UserManager.DISALLOW_ADD_CLONE_PROFILE),
+                eq(true), eq(UserHandle.SYSTEM));
+
         verify(mContext.spiedContext, times(1)).sendBroadcastAsUser(
                 MockUtils.checkIntentAction(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED),
                 MockUtils.checkUserHandle(UserHandle.USER_SYSTEM));
@@ -1393,6 +1401,10 @@
                 eq(false),
                 MockUtils.checkUserHandle(UserHandle.USER_SYSTEM));
 
+        verify(getServices().userManager)
+                .setUserRestriction(eq(UserManager.DISALLOW_ADD_CLONE_PROFILE), eq(false),
+                MockUtils.checkUserHandle(UserHandle.USER_SYSTEM));
+
         verify(getServices().userManagerInternal).setDevicePolicyUserRestrictions(
                 eq(UserHandle.USER_SYSTEM), MockUtils.checkUserRestrictions(),
                 MockUtils.checkUserRestrictions(UserHandle.USER_SYSTEM), eq(true));
@@ -7209,8 +7221,7 @@
         verify(getServices().alarmManager, times(1)).set(anyInt(), eq(PROFILE_OFF_DEADLINE), any());
         // Now the user should see a warning notification.
         verify(getServices().notificationManager, times(1))
-                .notify(anyInt(), argThat(hasExtra(EXTRA_TITLE, PROFILE_OFF_SUSPENSION_TITLE,
-                        EXTRA_TEXT, PROFILE_OFF_SUSPENSION_SOON_TEXT)));
+                .notify(anyInt(), any());
         // Apps shouldn't be suspended yet.
         verifyZeroInteractions(getServices().ipackageManager);
         clearInvocations(getServices().alarmManager);
@@ -7224,8 +7235,7 @@
         verifyZeroInteractions(getServices().alarmManager);
         // Now the user should see a notification about suspended apps.
         verify(getServices().notificationManager, times(1))
-                .notify(anyInt(), argThat(hasExtra(EXTRA_TITLE, PROFILE_OFF_SUSPENSION_TITLE,
-                        EXTRA_TEXT, PROFILE_OFF_SUSPENSION_TEXT)));
+                .notify(anyInt(), any());
         // Verify that the apps are suspended.
         verify(getServices().ipackageManager, times(1)).setPackagesSuspendedAsUser(
                 any(), eq(true), any(), any(), any(), any(), anyInt());
@@ -7828,6 +7838,128 @@
                 () -> dpm.getOrganizationNameForUser(UserHandle.USER_SYSTEM));
     }
 
+    @Test
+    public void testSetWifiMinimumSecurity_noDeviceOwnerOrPoOfOrgOwnedDevice() {
+        assertThrows(SecurityException.class, () -> dpm.setMinimumRequiredWifiSecurityLevel(
+                DevicePolicyManager.WIFI_SECURITY_PERSONAL));
+    }
+
+    @Test
+    public void testSetWifiMinimumSecurity_asDeviceOwner() throws Exception {
+        setDeviceOwner();
+
+        final Set<Integer> allowedLevels = Set.of(WIFI_SECURITY_OPEN, WIFI_SECURITY_PERSONAL,
+                WIFI_SECURITY_ENTERPRISE_EAP, WIFI_SECURITY_ENTERPRISE_192);
+        for (int level : allowedLevels) {
+            dpm.setMinimumRequiredWifiSecurityLevel(level);
+            assertThat(dpm.getMinimumRequiredWifiSecurityLevel()).isEqualTo(level);
+        }
+    }
+
+    @Test
+    public void testSetWifiMinimumSecurity_asPoOfOrgOwnedDevice() throws Exception {
+        final int managedProfileUserId = 15;
+        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);
+        addManagedProfile(admin1, managedProfileAdminUid, admin1);
+        configureProfileOwnerOfOrgOwnedDevice(admin1, managedProfileUserId);
+        mContext.binder.callingUid = managedProfileAdminUid;
+
+        final Set<Integer> allowedLevels = Set.of(WIFI_SECURITY_OPEN, WIFI_SECURITY_PERSONAL,
+                WIFI_SECURITY_ENTERPRISE_EAP, WIFI_SECURITY_ENTERPRISE_192);
+        for (int level : allowedLevels) {
+            dpm.setMinimumRequiredWifiSecurityLevel(level);
+            assertThat(dpm.getMinimumRequiredWifiSecurityLevel()).isEqualTo(level);
+        }
+    }
+
+    @Test
+    public void testSetSsidAllowlist_noDeviceOwnerOrPoOfOrgOwnedDevice() {
+        final Set<String> ssids = Collections.singleton("ssid1");
+        WifiSsidPolicy policy = WifiSsidPolicy.createAllowlistPolicy(ssids);
+        assertThrows(SecurityException.class, () -> dpm.setWifiSsidPolicy(policy));
+    }
+
+    @Test
+    public void testSetSsidAllowlist_asDeviceOwner() throws Exception {
+        setDeviceOwner();
+
+        final Set<String> ssids = Collections.singleton("ssid1");
+        WifiSsidPolicy policy = WifiSsidPolicy.createAllowlistPolicy(ssids);
+        dpm.setWifiSsidPolicy(policy);
+        assertThat(dpm.getWifiSsidPolicy().getSsids()).isEqualTo(ssids);
+        assertThat(dpm.getWifiSsidPolicy().getPolicyType()).isEqualTo(
+                WifiSsidPolicy.WIFI_SSID_POLICY_TYPE_ALLOWLIST);
+    }
+
+    @Test
+    public void testSetSsidAllowlist_asPoOfOrgOwnedDevice() throws Exception {
+        final int managedProfileUserId = 15;
+        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);
+        addManagedProfile(admin1, managedProfileAdminUid, admin1);
+        configureProfileOwnerOfOrgOwnedDevice(admin1, managedProfileUserId);
+        mContext.binder.callingUid = managedProfileAdminUid;
+
+        final Set<String> ssids = new ArraySet<>(Arrays.asList("ssid1", "ssid2", "ssid3"));
+        WifiSsidPolicy policy = WifiSsidPolicy.createAllowlistPolicy(ssids);
+        dpm.setWifiSsidPolicy(policy);
+        assertThat(dpm.getWifiSsidPolicy().getSsids()).isEqualTo(ssids);
+        assertThat(dpm.getWifiSsidPolicy().getPolicyType()).isEqualTo(
+                WifiSsidPolicy.WIFI_SSID_POLICY_TYPE_ALLOWLIST);
+    }
+
+    @Test
+    public void testSetSsidAllowlist_emptyList() throws Exception {
+        setDeviceOwner();
+
+        final Set<String> ssids = new ArraySet<>();
+        assertThrows(IllegalArgumentException.class,
+                () -> WifiSsidPolicy.createAllowlistPolicy(ssids));
+    }
+
+    @Test
+    public void testSetSsidDenylist_noDeviceOwnerOrPoOfOrgOwnedDevice() {
+        final Set<String> ssids = Collections.singleton("ssid1");
+        WifiSsidPolicy policy = WifiSsidPolicy.createDenylistPolicy(ssids);
+        assertThrows(SecurityException.class, () -> dpm.setWifiSsidPolicy(policy));
+    }
+
+    @Test
+    public void testSetSsidDenylist_asDeviceOwner() throws Exception {
+        setDeviceOwner();
+
+        final Set<String> ssids = Collections.singleton("ssid1");
+        WifiSsidPolicy policy = WifiSsidPolicy.createDenylistPolicy(ssids);
+        dpm.setWifiSsidPolicy(policy);
+        assertThat(dpm.getWifiSsidPolicy().getSsids()).isEqualTo(ssids);
+        assertThat(dpm.getWifiSsidPolicy().getPolicyType()).isEqualTo(
+                WifiSsidPolicy.WIFI_SSID_POLICY_TYPE_DENYLIST);
+    }
+
+    @Test
+    public void testSetSsidDenylist_asPoOfOrgOwnedDevice() throws Exception {
+        final int managedProfileUserId = 15;
+        final int managedProfileAdminUid = UserHandle.getUid(managedProfileUserId, 19436);
+        addManagedProfile(admin1, managedProfileAdminUid, admin1);
+        configureProfileOwnerOfOrgOwnedDevice(admin1, managedProfileUserId);
+        mContext.binder.callingUid = managedProfileAdminUid;
+
+        final Set<String> ssids = new ArraySet<>(Arrays.asList("ssid1", "ssid2", "ssid3"));
+        WifiSsidPolicy policy = WifiSsidPolicy.createDenylistPolicy(ssids);
+        dpm.setWifiSsidPolicy(policy);
+        assertThat(dpm.getWifiSsidPolicy().getSsids()).isEqualTo(ssids);
+        assertThat(dpm.getWifiSsidPolicy().getPolicyType()).isEqualTo(
+                WifiSsidPolicy.WIFI_SSID_POLICY_TYPE_DENYLIST);
+    }
+
+    @Test
+    public void testSetSsidDenylist_emptyList() throws Exception {
+        setDeviceOwner();
+
+        final Set<String> ssids = new ArraySet<>();
+        assertThrows(IllegalArgumentException.class,
+                () -> WifiSsidPolicy.createDenylistPolicy(ssids));
+    }
+
     private void setupVpnAuthorization(String userVpnPackage, int userVpnUid) {
         final AppOpsManager.PackageOps vpnOp = new AppOpsManager.PackageOps(userVpnPackage,
                 userVpnUid, List.of(new AppOpsManager.OpEntry(
@@ -7863,18 +7995,6 @@
         // To allow creation of Notification via Notification.Builder
         mContext.applicationInfo = mRealTestContext.getApplicationInfo();
 
-        // Setup resources to render notification titles and texts.
-        when(mServiceContext.resources
-                .getString(R.string.personal_apps_suspension_title))
-                .thenReturn(PROFILE_OFF_SUSPENSION_TITLE);
-        when(mServiceContext.resources
-                .getString(R.string.personal_apps_suspension_text))
-                .thenReturn(PROFILE_OFF_SUSPENSION_TEXT);
-        when(mServiceContext.resources
-                .getString(eq(R.string.personal_apps_suspension_soon_text),
-                        anyString(), anyString(), anyInt()))
-                .thenReturn(PROFILE_OFF_SUSPENSION_SOON_TEXT);
-
         // Make locale available for date formatting:
         when(mServiceContext.resources.getConfiguration())
                 .thenReturn(mRealTestContext.getResources().getConfiguration());
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/DpmMockContext.java b/services/tests/servicestests/src/com/android/server/devicepolicy/DpmMockContext.java
index d4b1165..6eb2085 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/DpmMockContext.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/DpmMockContext.java
@@ -232,6 +232,8 @@
                 return mMockSystemServices.crossProfileApps;
             case Context.VPN_MANAGEMENT_SERVICE:
                 return mMockSystemServices.vpnManager;
+            case Context.DEVICE_POLICY_SERVICE:
+                return mMockSystemServices.devicePolicyManager;
         }
         throw new UnsupportedOperationException();
     }
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/MockSystemServices.java b/services/tests/servicestests/src/com/android/server/devicepolicy/MockSystemServices.java
index 8a2919d..597a165 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/MockSystemServices.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/MockSystemServices.java
@@ -31,6 +31,7 @@
 import android.app.IActivityManager;
 import android.app.IActivityTaskManager;
 import android.app.NotificationManager;
+import android.app.admin.DevicePolicyManager;
 import android.app.backup.IBackupManager;
 import android.app.usage.UsageStatsManagerInternal;
 import android.content.BroadcastReceiver;
@@ -125,6 +126,7 @@
     public final AppOpsManager appOpsManager;
     public final UsbManager usbManager;
     public final VpnManager vpnManager;
+    public final DevicePolicyManager devicePolicyManager;
     /** Note this is a partial mock, not a real mock. */
     public final PackageManager packageManager;
     public final BuildMock buildMock = new BuildMock();
@@ -172,6 +174,7 @@
         appOpsManager = mock(AppOpsManager.class);
         usbManager = mock(UsbManager.class);
         vpnManager = mock(VpnManager.class);
+        devicePolicyManager = mock(DevicePolicyManager.class);
 
         // Package manager is huge, so we use a partial mock instead.
         packageManager = spy(realContext.getPackageManager());
diff --git a/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
index c544f5c..81c9871 100644
--- a/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
@@ -2046,7 +2046,7 @@
     private static NetworkStateSnapshot buildWifi() {
         WifiInfo mockWifiInfo = mock(WifiInfo.class);
         when(mockWifiInfo.makeCopy(anyLong())).thenReturn(mockWifiInfo);
-        when(mockWifiInfo.getCurrentNetworkKey()).thenReturn(TEST_WIFI_NETWORK_KEY);
+        when(mockWifiInfo.getNetworkKey()).thenReturn(TEST_WIFI_NETWORK_KEY);
         final LinkProperties prop = new LinkProperties();
         prop.setInterfaceName(TEST_IFACE);
         final NetworkCapabilities networkCapabilities = new NetworkCapabilities.Builder()
diff --git a/services/tests/servicestests/src/com/android/server/pm/UserManagerTest.java b/services/tests/servicestests/src/com/android/server/pm/UserManagerTest.java
index 429445f..7e5fe04 100644
--- a/services/tests/servicestests/src/com/android/server/pm/UserManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/UserManagerTest.java
@@ -664,6 +664,24 @@
         }
     }
 
+    // Make sure createProfile would fail if we have DISALLOW_ADD_CLONE_PROFILE.
+    @MediumTest
+    @Test
+    public void testCreateUser_disallowAddClonedUserProfile() throws Exception {
+        final int primaryUserId = ActivityManager.getCurrentUser();
+        final UserHandle primaryUserHandle = asHandle(primaryUserId);
+        mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_CLONE_PROFILE,
+                true, primaryUserHandle);
+        try {
+            UserInfo cloneProfileUserInfo = createProfileForUser("Clone",
+                    UserManager.USER_TYPE_PROFILE_CLONE, primaryUserId);
+            assertThat(cloneProfileUserInfo).isNull();
+        } finally {
+            mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_CLONE_PROFILE, false,
+                    primaryUserHandle);
+        }
+    }
+
     // Make sure createProfile would fail if we have DISALLOW_ADD_MANAGED_PROFILE.
     @MediumTest
     @Test
diff --git a/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java b/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
index 0dcf799..774e5b9 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
@@ -24,7 +24,6 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.content.pm.ActivityInfo.CONFIG_ORIENTATION;
 import static android.content.pm.ActivityInfo.CONFIG_SCREEN_LAYOUT;
 import static android.content.pm.ActivityInfo.FLAG_SUPPORTS_PICTURE_IN_PICTURE;
@@ -571,7 +570,7 @@
         final ActivityRecord activity = createActivityWith2LevelTask();
         final Task task = activity.getTask();
         final Task rootTask = activity.getRootTask();
-        rootTask.setWindowingMode(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY);
+        rootTask.setWindowingMode(WINDOWING_MODE_MULTI_WINDOW);
         final Rect stableRect = new Rect();
         rootTask.mDisplayContent.getStableRect(stableRect);
 
@@ -616,7 +615,7 @@
         spyOn(tda);
         doReturn(true).when(tda).supportsNonResizableMultiWindow();
         final Task rootTask = mDisplayContent.getDefaultTaskDisplayArea().createRootTask(
-                WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, ACTIVITY_TYPE_STANDARD, true /* onTop */);
+                WINDOWING_MODE_MULTI_WINDOW, ACTIVITY_TYPE_STANDARD, true /* onTop */);
         rootTask.setBounds(0, 0, 1000, 500);
         final ActivityRecord activity = new ActivityBuilder(mAtm)
                 .setParentTask(rootTask)
diff --git a/services/tests/wmtests/src/com/android/server/wm/ActivityTaskManagerServiceTests.java b/services/tests/wmtests/src/com/android/server/wm/ActivityTaskManagerServiceTests.java
index a2b04c2..7c340ec 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ActivityTaskManagerServiceTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ActivityTaskManagerServiceTests.java
@@ -77,6 +77,7 @@
 import org.mockito.MockitoSession;
 
 import java.util.ArrayList;
+import java.util.List;
 import java.util.function.Consumer;
 
 /**
@@ -188,6 +189,9 @@
 
             @Override
             public void onFixedRotationFinished(int displayId) {}
+
+            @Override
+            public void onKeepClearAreasChanged(int displayId, List<Rect> keepClearAreas) {}
         };
         int[] displayIds = mAtm.mWindowManager.registerDisplayWindowListener(listener);
         for (int i = 0; i < displayIds.length; i++) {
diff --git a/services/tests/wmtests/src/com/android/server/wm/DisplayContentTests.java b/services/tests/wmtests/src/com/android/server/wm/DisplayContentTests.java
index 2f78b58..8d58ec0 100644
--- a/services/tests/wmtests/src/com/android/server/wm/DisplayContentTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/DisplayContentTests.java
@@ -119,6 +119,7 @@
 import android.os.RemoteException;
 import android.os.SystemClock;
 import android.platform.test.annotations.Presubmit;
+import android.util.ArraySet;
 import android.util.DisplayMetrics;
 import android.view.DisplayCutout;
 import android.view.DisplayInfo;
@@ -1101,7 +1102,7 @@
         final DisplayContent dc = createNewDisplay();
         dc.setImeLayeringTarget(createWindow(null, TYPE_STATUS_BAR, "app"));
         dc.getImeTarget(IME_TARGET_LAYERING).getWindow().setWindowingMode(
-                WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY);
+                WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW);
         assertEquals(dc.getImeContainer().getParentSurfaceControl(), dc.computeImeParent());
     }
 
@@ -1152,7 +1153,7 @@
         final DisplayContent dc = createNewDisplay();
         dc.setImeInputTarget(createWindow(null, TYPE_BASE_APPLICATION, "app"));
         dc.getImeTarget(IME_TARGET_INPUT).getWindow().setWindowingMode(
-                WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY);
+                WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW);
         dc.setImeLayeringTarget(dc.getImeTarget(IME_TARGET_INPUT).getWindow());
         dc.setRemoteInsetsController(createDisplayWindowInsetsController());
         assertNotEquals(dc.getImeTarget(IME_TARGET_INPUT).getWindow(),
@@ -1982,6 +1983,7 @@
         // Test step 1: appWin1 is the current IME target and soft-keyboard is visible.
         mDisplayContent.computeImeTarget(true);
         assertEquals(appWin1, mDisplayContent.getImeTarget(IME_TARGET_LAYERING));
+        mDisplayContent.setImeInputTarget(appWin1);
         spyOn(mDisplayContent.mInputMethodWindow);
         doReturn(true).when(mDisplayContent.mInputMethodWindow).isVisible();
         mDisplayContent.getInsetsStateController().getImeSourceProvider().setImeShowing(true);
@@ -1998,7 +2000,6 @@
         // be shown at this time.
         final Transaction t = mDisplayContent.getPendingTransaction();
         spyOn(t);
-        mDisplayContent.setImeInputTarget(appWin2);
         mDisplayContent.computeImeTarget(true);
         assertEquals(appWin2, mDisplayContent.getImeTarget(IME_TARGET_LAYERING));
         assertTrue(mDisplayContent.shouldImeAttachedToApp());
@@ -2436,6 +2437,31 @@
         mockSession.finishMocking();
     }
 
+    @Test
+    public void testKeepClearAreasMultipleWindows() {
+        final WindowState w1 = createWindow(null, TYPE_NAVIGATION_BAR, mDisplayContent, "w1");
+        final Rect rect1 = new Rect(0, 0, 10, 10);
+        w1.setKeepClearAreas(Arrays.asList(rect1));
+        final WindowState w2 = createWindow(null, TYPE_NOTIFICATION_SHADE, mDisplayContent, "w2");
+        final Rect rect2 = new Rect(10, 10, 20, 20);
+        w2.setKeepClearAreas(Arrays.asList(rect2));
+
+        // No keep clear areas on display, because the windows are not visible
+        assertEquals(Arrays.asList(), mDisplayContent.getKeepClearAreas());
+
+        makeWindowVisible(w1);
+
+        // The returned keep-clear areas contain the areas just from the visible window
+        assertEquals(new ArraySet(Arrays.asList(rect1)),
+                     new ArraySet(mDisplayContent.getKeepClearAreas()));
+
+        makeWindowVisible(w1, w2);
+
+        // The returned keep-clear areas contain the areas from all visible windows
+        assertEquals(new ArraySet(Arrays.asList(rect1, rect2)),
+                     new ArraySet(mDisplayContent.getKeepClearAreas()));
+    }
+
     private class TestToken extends Binder {
     }
 
diff --git a/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyLayoutTests.java b/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyLayoutTests.java
index acf6dc5..497ae1d 100644
--- a/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyLayoutTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyLayoutTests.java
@@ -31,10 +31,8 @@
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;
 
-import static org.hamcrest.Matchers.is;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertThat;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.spy;
@@ -44,7 +42,6 @@
 import android.graphics.Rect;
 import android.platform.test.annotations.Presubmit;
 import android.util.Pair;
-import android.view.DisplayCutout;
 import android.view.DisplayInfo;
 import android.view.InsetsState;
 import android.view.PrivacyIndicatorBounds;
@@ -210,24 +207,6 @@
         expectThrows(IllegalArgumentException.class, () -> addWindow(win2));
     }
 
-    @Test
-    public void layoutHint_appWindow() {
-        mWindow.mAttrs.setFitInsetsTypes(0);
-
-        final DisplayCutout.ParcelableWrapper outDisplayCutout =
-                new DisplayCutout.ParcelableWrapper();
-        final InsetsState outState = new InsetsState();
-
-        mDisplayPolicy.getLayoutHint(mWindow.mAttrs, null /* windowToken */, outState,
-                true /* localClient */);
-
-        assertThat(outDisplayCutout, is(new DisplayCutout.ParcelableWrapper()));
-        assertThat(outState.getSource(ITYPE_STATUS_BAR).getFrame(),
-                is(new Rect(0, 0, DISPLAY_WIDTH, STATUS_BAR_HEIGHT)));
-        assertThat(outState.getSource(ITYPE_NAVIGATION_BAR).getFrame(),
-                is(new Rect(0, DISPLAY_HEIGHT - NAV_BAR_HEIGHT, DISPLAY_WIDTH, DISPLAY_HEIGHT)));
-    }
-
     /**
      * Verify that {@link DisplayPolicy#simulateLayoutDisplay} outputs the same display frames as
      * the real one.
diff --git a/services/tests/wmtests/src/com/android/server/wm/InsetsStateControllerTest.java b/services/tests/wmtests/src/com/android/server/wm/InsetsStateControllerTest.java
index 94bc7f2..2eece4c 100644
--- a/services/tests/wmtests/src/com/android/server/wm/InsetsStateControllerTest.java
+++ b/services/tests/wmtests/src/com/android/server/wm/InsetsStateControllerTest.java
@@ -19,7 +19,6 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.view.InsetsState.ITYPE_CLIMATE_BAR;
 import static android.view.InsetsState.ITYPE_EXTRA_NAVIGATION_BAR;
 import static android.view.InsetsState.ITYPE_IME;
@@ -246,7 +245,7 @@
         final WindowState child = createWindow(app, TYPE_APPLICATION, "child");
         app.mAboveInsetsState.addSource(getController().getRawInsetsState().peekSource(ITYPE_IME));
         child.mAttrs.flags |= FLAG_NOT_FOCUSABLE;
-        child.setWindowingMode(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY);
+        child.setWindowingMode(WINDOWING_MODE_MULTI_WINDOW);
 
         mDisplayContent.computeImeTarget(true);
         mDisplayContent.setLayoutNeeded();
diff --git a/services/tests/wmtests/src/com/android/server/wm/LaunchParamsControllerTests.java b/services/tests/wmtests/src/com/android/server/wm/LaunchParamsControllerTests.java
index fc298b0..0c2de5c 100644
--- a/services/tests/wmtests/src/com/android/server/wm/LaunchParamsControllerTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/LaunchParamsControllerTests.java
@@ -20,7 +20,6 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
 import static android.view.Display.INVALID_DISPLAY;
 
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.any;
@@ -334,7 +333,7 @@
         params.mWindowingMode = windowingMode;
         final InstrumentedPositioner positioner = new InstrumentedPositioner(RESULT_DONE, params);
         final Task task = new TaskBuilder(mAtm.mTaskSupervisor).setCreateParentTask(true).build();
-        task.getRootTask().setWindowingMode(WINDOWING_MODE_SPLIT_SCREEN_SECONDARY);
+        task.getRootTask().setWindowingMode(WINDOWING_MODE_MULTI_WINDOW);
 
         mController.registerModifier(positioner);
 
diff --git a/services/tests/wmtests/src/com/android/server/wm/RootTaskTests.java b/services/tests/wmtests/src/com/android/server/wm/RootTaskTests.java
index 3cb0bed..65b5cf5 100644
--- a/services/tests/wmtests/src/com/android/server/wm/RootTaskTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/RootTaskTests.java
@@ -88,6 +88,7 @@
 import androidx.test.filters.SmallTest;
 
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -529,6 +530,7 @@
 
     // TODO(b/199236198): check this is unnecessary or need to migrate after remove legacy split.
     @Test
+    @Ignore
     public void testShouldBeVisible_SplitScreen() {
         // task not supporting split should be fullscreen for this test.
         final Task notSupportingSplitTask = createTaskForShouldBeVisibleTest(
diff --git a/services/tests/wmtests/src/com/android/server/wm/RootWindowContainerTests.java b/services/tests/wmtests/src/com/android/server/wm/RootWindowContainerTests.java
index 4069f0f..f4abf88 100644
--- a/services/tests/wmtests/src/com/android/server/wm/RootWindowContainerTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/RootWindowContainerTests.java
@@ -21,8 +21,8 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
+import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.content.pm.ActivityInfo.FLAG_ALWAYS_FOCUSABLE;
 import static android.view.Display.DEFAULT_DISPLAY;
 import static android.view.Display.TYPE_VIRTUAL;
@@ -458,7 +458,7 @@
         final TaskDisplayArea defaultTaskDisplayArea = mRootWindowContainer
                 .getDefaultTaskDisplayArea();
         final Task task = defaultTaskDisplayArea.createRootTask(
-                WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, ACTIVITY_TYPE_STANDARD, true /* onTop */);
+                WINDOWING_MODE_MULTI_WINDOW, ACTIVITY_TYPE_STANDARD, true /* onTop */);
         final ActivityRecord activity = new ActivityBuilder(mAtm).setTask(task).build();
 
         // Created tasks are focusable by default.
diff --git a/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java b/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
index c722b0a..b815c38 100644
--- a/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
@@ -77,6 +77,7 @@
 import android.content.pm.ActivityInfo.ScreenOrientation;
 import android.content.res.Configuration;
 import android.graphics.Rect;
+import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
 import android.provider.DeviceConfig;
 import android.provider.DeviceConfig.Properties;
@@ -2182,6 +2183,29 @@
                 .computeAspectRatio(sizeCompatAppBounds), delta);
     }
 
+    @Test
+    public void testClearSizeCompat_resetOverrideConfig() {
+        final int origDensity = 480;
+        final int newDensity = 520;
+        final DisplayContent display = new TestDisplayContent.Builder(mAtm, 600, 800)
+                .setDensityDpi(origDensity)
+                .build();
+        setUpApp(display);
+        prepareUnresizable(mActivity, -1.f /* maxAspect */, SCREEN_ORIENTATION_PORTRAIT);
+
+        // Activity should enter size compat with old density after display density change.
+        display.setForcedDensity(newDensity, UserHandle.USER_CURRENT);
+
+        assertScaled();
+        assertEquals(origDensity, mActivity.getConfiguration().densityDpi);
+
+        // Activity should exit size compat with new density.
+        mActivity.clearSizeCompatMode();
+
+        assertFitted();
+        assertEquals(newDensity, mActivity.getConfiguration().densityDpi);
+    }
+
     private void assertHorizontalPositionForDifferentDisplayConfigsForLandscapeActivity(
             float letterboxHorizontalPositionMultiplier) {
         // Set up a display in landscape and ignoring orientation request.
diff --git a/services/tests/wmtests/src/com/android/server/wm/TaskDisplayAreaTests.java b/services/tests/wmtests/src/com/android/server/wm/TaskDisplayAreaTests.java
index cdf6b59..80f6bce 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TaskDisplayAreaTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TaskDisplayAreaTests.java
@@ -25,8 +25,6 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
 import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
 import static android.content.Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT;
 import static android.content.pm.ActivityInfo.FLAG_ALWAYS_FOCUSABLE;
@@ -355,14 +353,10 @@
                 true /* reuseCandidate */);
         assertGetOrCreateRootTask(WINDOWING_MODE_UNDEFINED, type, candidateTask,
                 true /* reuseCandidate */);
-        assertGetOrCreateRootTask(WINDOWING_MODE_SPLIT_SCREEN_SECONDARY, type, candidateTask,
-                true /* reuseCandidate */);
         assertGetOrCreateRootTask(WINDOWING_MODE_FREEFORM, type, candidateTask,
                 true /* reuseCandidate */);
         assertGetOrCreateRootTask(WINDOWING_MODE_MULTI_WINDOW, type, candidateTask,
                 true /* reuseCandidate */);
-        assertGetOrCreateRootTask(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, type, candidateTask,
-                false /* reuseCandidate */);
         assertGetOrCreateRootTask(WINDOWING_MODE_PINNED, type, candidateTask,
                 true /* reuseCandidate */);
 
@@ -388,7 +382,7 @@
 
         final Task primarySplitTask = new TaskBuilder(mSupervisor)
                 .setTaskDisplayArea(defaultTaskDisplayArea)
-                .setWindowingMode(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY)
+                .setWindowingMode(WINDOWING_MODE_MULTI_WINDOW)
                 .setActivityType(ACTIVITY_TYPE_STANDARD)
                 .setOnTop(true)
                 .setCreateActivity(true)
diff --git a/services/tests/wmtests/src/com/android/server/wm/WindowContainerTraversalTests.java b/services/tests/wmtests/src/com/android/server/wm/WindowContainerTraversalTests.java
index f138475..64959f2 100644
--- a/services/tests/wmtests/src/com/android/server/wm/WindowContainerTraversalTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/WindowContainerTraversalTests.java
@@ -17,8 +17,7 @@
 package com.android.server.wm;
 
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
+import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
 
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.mock;
@@ -50,11 +49,8 @@
     @Test
     public void testDockedDividerPosition() {
         final WindowState splitScreenWindow = createWindow(null,
-                WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, ACTIVITY_TYPE_STANDARD, TYPE_BASE_APPLICATION,
+                WINDOWING_MODE_MULTI_WINDOW, ACTIVITY_TYPE_STANDARD, TYPE_BASE_APPLICATION,
                 mDisplayContent, "splitScreenWindow");
-        final WindowState splitScreenSecondaryWindow = createWindow(null,
-                WINDOWING_MODE_SPLIT_SCREEN_SECONDARY, ACTIVITY_TYPE_STANDARD,
-                TYPE_BASE_APPLICATION, mDisplayContent, "splitScreenSecondaryWindow");
 
         mDisplayContent.setImeLayeringTarget(splitScreenWindow);
 
diff --git a/services/tests/wmtests/src/com/android/server/wm/WindowOrganizerTests.java b/services/tests/wmtests/src/com/android/server/wm/WindowOrganizerTests.java
index 75a87ba..4d5fb6d 100644
--- a/services/tests/wmtests/src/com/android/server/wm/WindowOrganizerTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/WindowOrganizerTests.java
@@ -24,8 +24,6 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
 import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSET;
@@ -520,16 +518,16 @@
         DisplayContent dc = mWm.mRoot.getDisplayContent(Display.DEFAULT_DISPLAY);
 
         Task task1 = mWm.mAtmService.mTaskOrganizerController.createRootTask(
-                dc, WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, null);
+                dc, WINDOWING_MODE_FULLSCREEN, null);
         RunningTaskInfo info1 = task1.getTaskInfo();
-        assertEquals(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY,
+        assertEquals(WINDOWING_MODE_FULLSCREEN,
                 info1.configuration.windowConfiguration.getWindowingMode());
         assertEquals(ACTIVITY_TYPE_UNDEFINED, info1.topActivityType);
 
         Task task2 = mWm.mAtmService.mTaskOrganizerController.createRootTask(
-                dc, WINDOWING_MODE_SPLIT_SCREEN_SECONDARY, null);
+                dc, WINDOWING_MODE_MULTI_WINDOW, null);
         RunningTaskInfo info2 = task2.getTaskInfo();
-        assertEquals(WINDOWING_MODE_SPLIT_SCREEN_SECONDARY,
+        assertEquals(WINDOWING_MODE_MULTI_WINDOW,
                 info2.configuration.windowConfiguration.getWindowingMode());
         assertEquals(ACTIVITY_TYPE_UNDEFINED, info2.topActivityType);
 
@@ -539,7 +537,7 @@
         assertTrue(mWm.mAtmService.mTaskOrganizerController.deleteRootTask(info1.token));
         infos = getTasksCreatedByOrganizer(dc);
         assertEquals(1, infos.size());
-        assertEquals(WINDOWING_MODE_SPLIT_SCREEN_SECONDARY, infos.get(0).getWindowingMode());
+        assertEquals(WINDOWING_MODE_MULTI_WINDOW, infos.get(0).getWindowingMode());
     }
 
     @Test
@@ -577,7 +575,7 @@
         final StubOrganizer listener = new StubOrganizer();
         mWm.mAtmService.mTaskOrganizerController.registerTaskOrganizer(listener);
         Task task = mWm.mAtmService.mTaskOrganizerController.createRootTask(
-                mDisplayContent, WINDOWING_MODE_SPLIT_SCREEN_SECONDARY, null);
+                mDisplayContent, WINDOWING_MODE_MULTI_WINDOW, null);
         RunningTaskInfo info1 = task.getTaskInfo();
 
         final Task rootTask = createTask(
@@ -626,7 +624,7 @@
         };
         mWm.mAtmService.mTaskOrganizerController.registerTaskOrganizer(listener);
         Task task = mWm.mAtmService.mTaskOrganizerController.createRootTask(
-                mDisplayContent, WINDOWING_MODE_SPLIT_SCREEN_SECONDARY, null);
+                mDisplayContent, WINDOWING_MODE_MULTI_WINDOW, null);
         RunningTaskInfo info1 = task.getTaskInfo();
         // Ensure events dispatch to organizer.
         mWm.mAtmService.mTaskOrganizerController.dispatchPendingEvents();
@@ -684,10 +682,10 @@
         mWm.mAtmService.mTaskOrganizerController.registerTaskOrganizer(listener);
 
         Task task1 = mWm.mAtmService.mTaskOrganizerController.createRootTask(
-                mDisplayContent, WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, null);
+                mDisplayContent, WINDOWING_MODE_MULTI_WINDOW, null);
         RunningTaskInfo info1 = task1.getTaskInfo();
         Task task2 = mWm.mAtmService.mTaskOrganizerController.createRootTask(
-                mDisplayContent, WINDOWING_MODE_SPLIT_SCREEN_SECONDARY, null);
+                mDisplayContent, WINDOWING_MODE_MULTI_WINDOW, null);
         RunningTaskInfo info2 = task2.getTaskInfo();
         // Ensure events dispatch to organizer.
         mWm.mAtmService.mTaskOrganizerController.dispatchPendingEvents();
@@ -1056,7 +1054,7 @@
     public void testReparentToOrganizedTask() {
         final ITaskOrganizer organizer = registerMockOrganizer();
         Task rootTask = mWm.mAtmService.mTaskOrganizerController.createRootTask(
-                mDisplayContent, WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, null);
+                mDisplayContent, WINDOWING_MODE_MULTI_WINDOW, null);
         final Task task1 = createRootTask();
         final Task task2 = createTask(rootTask, false /* fakeDraw */);
         WindowContainerTransaction wct = new WindowContainerTransaction();
@@ -1223,7 +1221,7 @@
         final Task rootTask = activity.getRootTask();
         rootTask.setResizeMode(activity.info.resizeMode);
         final Task splitPrimaryRootTask = mWm.mAtmService.mTaskOrganizerController.createRootTask(
-                mDisplayContent, WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, null);
+                mDisplayContent, WINDOWING_MODE_MULTI_WINDOW, null);
         final WindowContainerTransaction wct = new WindowContainerTransaction();
         wct.reparent(rootTask.mRemoteToken.toWindowContainerToken(),
                 splitPrimaryRootTask.mRemoteToken.toWindowContainerToken(), true /* onTop */);
diff --git a/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java b/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java
index ec8ec2b..80192f7 100644
--- a/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java
@@ -20,7 +20,6 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.view.InsetsState.ITYPE_IME;
 import static android.view.InsetsState.ITYPE_NAVIGATION_BAR;
 import static android.view.InsetsState.ITYPE_STATUS_BAR;
@@ -83,6 +82,7 @@
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
+import android.util.ArraySet;
 import android.view.Gravity;
 import android.view.InputWindowHandle;
 import android.view.InsetsSource;
@@ -265,22 +265,19 @@
         assertFalse(appWindow.canBeImeTarget());
         assertFalse(imeWindow.canBeImeTarget());
 
-        // Simulate the window is in split screen primary root task and the current state is
-        // minimized and home root task is resizable, so that we should ignore input for the
-        // root task.
+        // Simulate the window is in split screen root task.
         final DockedTaskDividerController controller =
                 mDisplayContent.getDockedDividerController();
         final Task rootTask = createTask(mDisplayContent,
-                WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, ACTIVITY_TYPE_STANDARD);
+                WINDOWING_MODE_MULTI_WINDOW, ACTIVITY_TYPE_STANDARD);
         spyOn(appWindow);
         spyOn(controller);
         spyOn(rootTask);
         rootTask.setFocusable(false);
         doReturn(rootTask).when(appWindow).getRootTask();
 
-        // Make sure canBeImeTarget is false due to shouldIgnoreInput is true;
+        // Make sure canBeImeTarget is false;
         assertFalse(appWindow.canBeImeTarget());
-        assertTrue(rootTask.shouldIgnoreInput());
     }
 
     @Test
@@ -727,8 +724,9 @@
     @Test
     public void testCantReceiveTouchWhenNotFocusable() {
         final WindowState win0 = createWindow(null, TYPE_APPLICATION, "win0");
-        win0.mActivityRecord.getRootTask().setWindowingMode(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY);
-        win0.mActivityRecord.getRootTask().setFocusable(false);
+        final Task rootTask = win0.mActivityRecord.getRootTask();
+        spyOn(rootTask);
+        when(rootTask.shouldIgnoreInput()).thenReturn(true);
         assertFalse(win0.canReceiveTouchInput());
     }
 
@@ -928,8 +926,8 @@
         mDisplayContent.setImeLayeringTarget(mAppWindow);
 
         // Simulate entering multi-window mode and verify if the IME control target is remote.
-        app.mActivityRecord.getRootTask().setWindowingMode(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY);
-        assertEquals(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, app.getWindowingMode());
+        app.mActivityRecord.getRootTask().setWindowingMode(WINDOWING_MODE_MULTI_WINDOW);
+        assertEquals(WINDOWING_MODE_MULTI_WINDOW, app.getWindowingMode());
         assertEquals(mDisplayContent.mRemoteInsetsControlTarget,
                 mDisplayContent.computeImeControlTarget());
 
@@ -944,14 +942,13 @@
 
     @UseTestDisplay(addWindows = { W_ACTIVITY, W_INPUT_METHOD, W_NOTIFICATION_SHADE })
     @Test
-    public void testNotificationShadeHasImeInsetsWhenSplitscreenActivated() {
+    public void testNotificationShadeHasImeInsetsWhenMultiWindow() {
         WindowState app = createWindow(null, TYPE_BASE_APPLICATION,
                 mAppWindow.mToken, "app");
 
-        // Simulate entering multi-window mode and verify if the split-screen is activated.
-        app.mActivityRecord.getRootTask().setWindowingMode(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY);
-        assertEquals(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, app.getWindowingMode());
-        assertTrue(mDisplayContent.getDefaultTaskDisplayArea().isSplitScreenModeActivated());
+        // Simulate entering multi-window mode and windowing mode is multi-window.
+        app.mActivityRecord.getRootTask().setWindowingMode(WINDOWING_MODE_MULTI_WINDOW);
+        assertEquals(WINDOWING_MODE_MULTI_WINDOW, app.getWindowingMode());
 
         // Simulate notificationShade is shown and being IME layering target.
         mNotificationShadeWindow.setHasSurface(true);
@@ -965,7 +962,7 @@
         mDisplayContent.getInsetsStateController().getRawInsetsState()
                 .setSourceVisible(ITYPE_IME, true);
 
-        // Verify notificationShade can still get IME insets even the split-screen is activated.
+        // Verify notificationShade can still get IME insets even windowing mode is multi-window.
         InsetsState state = mDisplayContent.getInsetsStateController().getInsetsForWindow(
                 mNotificationShadeWindow);
         assertNotNull(state.peekSource(ITYPE_IME));
@@ -986,4 +983,40 @@
         assertFalse(app.isVisible());
         assertTrue(app.isVisibleRequested());
     }
+
+    @Test
+    public void testKeepClearAreas() {
+        final WindowState window = createWindow(null, TYPE_APPLICATION, "window");
+        makeWindowVisible(window);
+
+        final Rect keepClearArea1 = new Rect(0, 0, 10, 10);
+        final Rect keepClearArea2 = new Rect(5, 10, 15, 20);
+        final List<Rect> keepClearAreas = Arrays.asList(keepClearArea1, keepClearArea2);
+        window.setKeepClearAreas(keepClearAreas);
+
+        // Test that the keep-clear rects are stored and returned
+        assertEquals(new ArraySet(keepClearAreas), new ArraySet(window.getKeepClearAreas()));
+
+        // Test that keep-clear rects are overwritten
+        window.setKeepClearAreas(Arrays.asList());
+        assertEquals(0, window.getKeepClearAreas().size());
+
+        // Move the window position
+        final SurfaceControl.Transaction t = spy(StubTransaction.class);
+        window.mSurfaceControl = mock(SurfaceControl.class);
+        final Rect frame = window.getFrame();
+        frame.set(10, 20, 60, 80);
+        window.updateSurfacePosition(t);
+        assertEquals(new Point(frame.left, frame.top), window.mLastSurfacePosition);
+
+        // Test that the returned keep-clear rects are translated to display space
+        window.setKeepClearAreas(keepClearAreas);
+        Rect expectedArea1 = new Rect(keepClearArea1);
+        expectedArea1.offset(frame.left, frame.top);
+        Rect expectedArea2 = new Rect(keepClearArea2);
+        expectedArea2.offset(frame.left, frame.top);
+
+        assertEquals(new ArraySet(Arrays.asList(expectedArea1, expectedArea2)),
+                     new ArraySet(window.getKeepClearAreas()));
+    }
 }
diff --git a/services/tests/wmtests/src/com/android/server/wm/ZOrderingTests.java b/services/tests/wmtests/src/com/android/server/wm/ZOrderingTests.java
index 4dffe7e..0f223ca 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ZOrderingTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ZOrderingTests.java
@@ -22,7 +22,6 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
-import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_ABOVE_SUB_PANEL;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
@@ -363,7 +362,7 @@
                 ACTIVITY_TYPE_STANDARD, TYPE_BASE_APPLICATION, mDisplayContent,
                 "pinnedStackWindow");
         final WindowState dockedStackWindow = createWindow(null,
-                WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, ACTIVITY_TYPE_STANDARD, TYPE_BASE_APPLICATION,
+                WINDOWING_MODE_MULTI_WINDOW, ACTIVITY_TYPE_STANDARD, TYPE_BASE_APPLICATION,
                 mDisplayContent, "dockedStackWindow");
         final WindowState assistantStackWindow = createWindow(null,
                 WINDOWING_MODE_FULLSCREEN, ACTIVITY_TYPE_ASSISTANT, TYPE_BASE_APPLICATION,
diff --git a/services/usb/Android.bp b/services/usb/Android.bp
index 01feacd..3b50fa4 100644
--- a/services/usb/Android.bp
+++ b/services/usb/Android.bp
@@ -29,6 +29,7 @@
         "android.hardware.usb-V1.1-java",
         "android.hardware.usb-V1.2-java",
         "android.hardware.usb-V1.3-java",
+	"android.hardware.usb-V1-java",
         "android.hardware.usb.gadget-V1.0-java",
         "android.hardware.usb.gadget-V1.1-java",
         "android.hardware.usb.gadget-V1.2-java",
diff --git a/services/usb/java/com/android/server/usb/UsbAlsaDevice.java b/services/usb/java/com/android/server/usb/UsbAlsaDevice.java
index 9d4db00..85b1de5 100644
--- a/services/usb/java/com/android/server/usb/UsbAlsaDevice.java
+++ b/services/usb/java/com/android/server/usb/UsbAlsaDevice.java
@@ -41,6 +41,7 @@
 
     private final boolean mIsInputHeadset;
     private final boolean mIsOutputHeadset;
+    private final boolean mIsDock;
 
     private boolean mSelected = false;
     private int mOutputState;
@@ -53,7 +54,7 @@
 
     public UsbAlsaDevice(IAudioService audioService, int card, int device, String deviceAddress,
             boolean hasOutput, boolean hasInput,
-            boolean isInputHeadset, boolean isOutputHeadset) {
+            boolean isInputHeadset, boolean isOutputHeadset, boolean isDock) {
         mAudioService = audioService;
         mCardNum = card;
         mDeviceNum = device;
@@ -62,31 +63,32 @@
         mHasInput = hasInput;
         mIsInputHeadset = isInputHeadset;
         mIsOutputHeadset = isOutputHeadset;
+        mIsDock = isDock;
     }
 
     /**
-     * @returns the ALSA card number associated with this peripheral.
+     * @return the ALSA card number associated with this peripheral.
      */
     public int getCardNum() {
         return mCardNum;
     }
 
     /**
-     * @returns the ALSA device number associated with this peripheral.
+     * @return the ALSA device number associated with this peripheral.
      */
     public int getDeviceNum() {
         return mDeviceNum;
     }
 
     /**
-     * @returns the USB device device address associated with this peripheral.
+     * @return the USB device device address associated with this peripheral.
      */
     public String getDeviceAddress() {
         return mDeviceAddress;
     }
 
     /**
-     * @returns the ALSA card/device address string.
+     * @return the ALSA card/device address string.
      */
     public String getAlsaCardDeviceString() {
         if (mCardNum < 0 || mDeviceNum < 0) {
@@ -98,35 +100,42 @@
     }
 
     /**
-     * @returns true if the device supports output.
+     * @return true if the device supports output.
      */
     public boolean hasOutput() {
         return mHasOutput;
     }
 
     /**
-     * @returns true if the device supports input (recording).
+     * @return true if the device supports input (recording).
      */
     public boolean hasInput() {
         return mHasInput;
     }
 
     /**
-     * @returns true if the device is a headset for purposes of input.
+     * @return true if the device is a headset for purposes of input.
      */
     public boolean isInputHeadset() {
         return mIsInputHeadset;
     }
 
     /**
-     * @returns true if the device is a headset for purposes of output.
+     * @return true if the device is a headset for purposes of output.
      */
     public boolean isOutputHeadset() {
         return mIsOutputHeadset;
     }
 
     /**
-     * @returns true if input jack is detected or jack detection is not supported.
+     * @return true if the device is a USB dock.
+     */
+    public boolean isDock() {
+        return mIsDock;
+    }
+
+    /**
+     * @return true if input jack is detected or jack detection is not supported.
      */
     private synchronized boolean isInputJackConnected() {
         if (mJackDetector == null) {
@@ -136,7 +145,7 @@
     }
 
     /**
-     * @returns true if input jack is detected or jack detection is not supported.
+     * @return true if input jack is detected or jack detection is not supported.
      */
     private synchronized boolean isOutputJackConnected() {
         if (mJackDetector == null) {
@@ -190,9 +199,10 @@
         try {
             // Output Device
             if (mHasOutput) {
-                int device = mIsOutputHeadset
-                        ? AudioSystem.DEVICE_OUT_USB_HEADSET
-                        : AudioSystem.DEVICE_OUT_USB_DEVICE;
+                int device = mIsDock ? AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET
+                        : (mIsOutputHeadset
+                            ? AudioSystem.DEVICE_OUT_USB_HEADSET
+                            : AudioSystem.DEVICE_OUT_USB_DEVICE);
                 if (DEBUG) {
                     Slog.d(TAG, "pre-call device:0x" + Integer.toHexString(device)
                             + " addr:" + alsaCardDeviceString
@@ -231,7 +241,7 @@
 
     /**
      * @Override
-     * @returns a string representation of the object.
+     * @return a string representation of the object.
      */
     public synchronized String toString() {
         return "UsbAlsaDevice: [card: " + mCardNum
@@ -273,7 +283,7 @@
 
     /**
      * @Override
-     * @returns true if the objects are equivalent.
+     * @return true if the objects are equivalent.
      */
     public boolean equals(Object obj) {
         if (!(obj instanceof UsbAlsaDevice)) {
@@ -285,12 +295,13 @@
                 && mHasOutput == other.mHasOutput
                 && mHasInput == other.mHasInput
                 && mIsInputHeadset == other.mIsInputHeadset
-                && mIsOutputHeadset == other.mIsOutputHeadset);
+                && mIsOutputHeadset == other.mIsOutputHeadset
+                && mIsDock == other.mIsDock);
     }
 
     /**
      * @Override
-     * @returns a hash code generated from the object contents.
+     * @return a hash code generated from the object contents.
      */
     public int hashCode() {
         final int prime = 31;
@@ -301,6 +312,7 @@
         result = prime * result + (mHasInput ? 0 : 1);
         result = prime * result + (mIsInputHeadset ? 0 : 1);
         result = prime * result + (mIsOutputHeadset ? 0 : 1);
+        result = prime * result + (mIsDock ? 0 : 1);
 
         return result;
     }
diff --git a/services/usb/java/com/android/server/usb/UsbAlsaManager.java b/services/usb/java/com/android/server/usb/UsbAlsaManager.java
index 1c72eb8..fd9b995 100644
--- a/services/usb/java/com/android/server/usb/UsbAlsaManager.java
+++ b/services/usb/java/com/android/server/usb/UsbAlsaManager.java
@@ -237,6 +237,7 @@
         if (hasInput || hasOutput) {
             boolean isInputHeadset = parser.isInputHeadset();
             boolean isOutputHeadset = parser.isOutputHeadset();
+            boolean isDock = parser.isDock();
 
             if (mAudioService == null) {
                 Slog.e(TAG, "no AudioService");
@@ -246,7 +247,7 @@
             UsbAlsaDevice alsaDevice =
                     new UsbAlsaDevice(mAudioService, cardRec.getCardNum(), 0 /*device*/,
                                       deviceAddress, hasOutput, hasInput,
-                                      isInputHeadset, isOutputHeadset);
+                                      isInputHeadset, isOutputHeadset, isDock);
             if (alsaDevice != null) {
                 alsaDevice.setDeviceNameAndDescription(
                           cardRec.getCardName(), cardRec.getCardDescription());
diff --git a/services/usb/java/com/android/server/usb/UsbHostManager.java b/services/usb/java/com/android/server/usb/UsbHostManager.java
index 9ac270f..94cc826 100644
--- a/services/usb/java/com/android/server/usb/UsbHostManager.java
+++ b/services/usb/java/com/android/server/usb/UsbHostManager.java
@@ -165,7 +165,7 @@
                 pw.println("manfacturer:0x" + Integer.toHexString(deviceDescriptor.getVendorID())
                         + " product:" + Integer.toHexString(deviceDescriptor.getProductID()));
                 pw.println("isHeadset[in: " + parser.isInputHeadset()
-                        + " , out: " + parser.isOutputHeadset() + "]");
+                        + " , out: " + parser.isOutputHeadset() + "], isDock: " + parser.isDock());
             } else {
                 pw.println(formatTime() + " Disconnect " + mDeviceAddress);
             }
@@ -179,9 +179,8 @@
                 UsbDescriptorsTree descriptorTree = new UsbDescriptorsTree();
                 descriptorTree.parse(parser);
                 descriptorTree.report(new TextReportCanvas(parser, stringBuilder));
-
                 stringBuilder.append("isHeadset[in: " + parser.isInputHeadset()
-                        + " , out: " + parser.isOutputHeadset() + "]");
+                        + " , out: " + parser.isOutputHeadset() + "], isDock: " + parser.isDock());
                 pw.println(stringBuilder.toString());
             } else {
                 pw.println(formatTime() + " Disconnect " + mDeviceAddress);
@@ -198,9 +197,8 @@
                     descriptor.report(canvas);
                 }
                 pw.println(stringBuilder.toString());
-
                 pw.println("isHeadset[in: " + parser.isInputHeadset()
-                        + " , out: " + parser.isOutputHeadset() + "]");
+                        + " , out: " + parser.isOutputHeadset() + "], isDock: " + parser.isDock());
             } else {
                 pw.println(formatTime() + " Disconnect " + mDeviceAddress);
             }
diff --git a/services/usb/java/com/android/server/usb/UsbPortManager.java b/services/usb/java/com/android/server/usb/UsbPortManager.java
index ec28040..98173ad 100644
--- a/services/usb/java/com/android/server/usb/UsbPortManager.java
+++ b/services/usb/java/com/android/server/usb/UsbPortManager.java
@@ -16,6 +16,8 @@
 
 package com.android.server.usb;
 
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_ERROR_PORT_MISMATCH;
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_ERROR_INTERNAL;
 import static android.hardware.usb.UsbPortStatus.CONTAMINANT_DETECTION_NOT_SUPPORTED;
 import static android.hardware.usb.UsbPortStatus.CONTAMINANT_PROTECTION_NONE;
 import static android.hardware.usb.UsbPortStatus.DATA_ROLE_DEVICE;
@@ -25,6 +27,12 @@
 import static android.hardware.usb.UsbPortStatus.MODE_UFP;
 import static android.hardware.usb.UsbPortStatus.POWER_ROLE_SINK;
 import static android.hardware.usb.UsbPortStatus.POWER_ROLE_SOURCE;
+import static com.android.server.usb.hal.port.UsbPortHal.HAL_POWER_ROLE_SOURCE;
+import static com.android.server.usb.hal.port.UsbPortHal.HAL_POWER_ROLE_SINK;
+import static com.android.server.usb.hal.port.UsbPortHal.HAL_DATA_ROLE_HOST;
+import static com.android.server.usb.hal.port.UsbPortHal.HAL_DATA_ROLE_DEVICE;
+import static com.android.server.usb.hal.port.UsbPortHal.HAL_MODE_DFP;
+import static com.android.server.usb.hal.port.UsbPortHal.HAL_MODE_UFP;
 
 import static com.android.internal.usb.DumpUtils.writePort;
 import static com.android.internal.usb.DumpUtils.writePortStatus;
@@ -38,6 +46,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Resources;
+import android.hardware.usb.IUsbOperationInternal;
 import android.hardware.usb.ParcelableUsbPort;
 import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbPort;
@@ -74,9 +83,13 @@
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.internal.util.dump.DualDumpOutputStream;
 import com.android.server.FgThread;
+import com.android.server.usb.hal.port.RawPortInfo;
+import com.android.server.usb.hal.port.UsbPortHal;
+import com.android.server.usb.hal.port.UsbPortHalInstance;
 
 import java.util.ArrayList;
 import java.util.NoSuchElementException;
+import java.util.Objects;
 
 /**
  * Allows trusted components to control the properties of physical USB ports
@@ -109,16 +122,9 @@
     // The system context.
     private final Context mContext;
 
-    // Proxy object for the usb hal daemon.
-    @GuardedBy("mLock")
-    private IUsb mProxy = null;
-
     // Callback when the UsbPort status is changed by the kernel.
     // Mostly due a command sent by the remote Usb device.
-    private HALCallback mHALCallback = new HALCallback(null, this);
-
-    // Cookie sent for usb hal death notification.
-    private static final int USB_HAL_DEATH_COOKIE = 1000;
+    //private HALCallback mHALCallback = new HALCallback(null, this);
 
     // Used as the key while sending the bundle to Main thread.
     private static final String PORT_INFO = "port_info";
@@ -156,36 +162,23 @@
      */
     private int mIsPortContaminatedNotificationId;
 
-    private boolean mEnableUsbDataSignaling;
-    protected int mCurrentUsbHalVersion;
+    private UsbPortHal mUsbPortHal;
+
+    private long mTransactionId;
 
     public UsbPortManager(Context context) {
         mContext = context;
-        try {
-            ServiceNotification serviceNotification = new ServiceNotification();
-
-            boolean ret = IServiceManager.getService()
-                    .registerForNotifications("android.hardware.usb@1.0::IUsb",
-                            "", serviceNotification);
-            if (!ret) {
-                logAndPrint(Log.ERROR, null,
-                        "Failed to register service start notification");
-            }
-        } catch (RemoteException e) {
-            logAndPrintException(null,
-                    "Failed to register service start notification", e);
-            return;
-        }
-        connectToProxy(null);
+        mUsbPortHal = UsbPortHalInstance.getInstance(this, null);
+        logAndPrint(Log.DEBUG, null, "getInstance done");
     }
 
     public void systemReady() {
-	mSystemReady = true;
-        if (mProxy != null) {
+        mSystemReady = true;
+        if (mUsbPortHal != null) {
+            mUsbPortHal.systemReady();
             try {
-                mProxy.queryPortStatus();
-                mEnableUsbDataSignaling = true;
-            } catch (RemoteException e) {
+                mUsbPortHal.queryPortStatus(++mTransactionId);
+            } catch (Exception e) {
                 logAndPrintException(null,
                         "ServiceStart: Failed to query port status", e);
             }
@@ -233,6 +226,7 @@
             intent.setComponent(ComponentName.unflattenFromString(r.getString(
                     com.android.internal.R.string.config_usbContaminantActivity)));
             intent.putExtra(UsbManager.EXTRA_PORT, ParcelableUsbPort.of(currentPortInfo.mUsbPort));
+            intent.putExtra(UsbManager.EXTRA_PORT_STATUS, currentPortInfo.mUsbPortStatus);
 
             // Simple notification clicks are immutable
             PendingIntent pi = PendingIntent.getActivityAsUser(mContext, 0,
@@ -340,13 +334,52 @@
         }
 
         try {
-            // Oneway call into the hal. Use the castFrom method from HIDL.
-            android.hardware.usb.V1_2.IUsb proxy = android.hardware.usb.V1_2.IUsb.castFrom(mProxy);
-            proxy.enableContaminantPresenceDetection(portId, enable);
-        } catch (RemoteException e) {
+            mUsbPortHal.enableContaminantPresenceDetection(portId, enable, ++mTransactionId);
+        } catch (Exception e) {
             logAndPrintException(pw, "Failed to set contaminant detection", e);
-        } catch (ClassCastException e) {
-            logAndPrintException(pw, "Method only applicable to V1.2 or above implementation", e);
+        }
+    }
+
+    /**
+     * Limits power transfer in/out of USB-C port.
+     *
+     * @param portId port identifier.
+     * @param limit limit power transfer when true.
+     */
+    public void enableLimitPowerTransfer(@NonNull String portId, boolean limit, long transactionId,
+            IUsbOperationInternal callback, IndentingPrintWriter pw) {
+        Objects.requireNonNull(portId);
+        final PortInfo portInfo = mPorts.get(portId);
+        if (portInfo == null) {
+            logAndPrint(Log.ERROR, pw, "enableLimitPowerTransfer: No such port: " + portId
+                    + " opId:" + transactionId);
+            try {
+                if (callback != null) {
+                    callback.onOperationComplete(USB_OPERATION_ERROR_PORT_MISMATCH);
+                }
+            } catch (RemoteException e) {
+                logAndPrintException(pw,
+                        "enableLimitPowerTransfer: Failed to call OperationComplete. opId:"
+                        + transactionId, e);
+            }
+            return;
+        }
+
+        try {
+            try {
+                mUsbPortHal.enableLimitPowerTransfer(portId, limit, transactionId, callback);
+            } catch (Exception e) {
+                logAndPrintException(pw,
+                    "enableLimitPowerTransfer: Failed to limit power transfer. opId:"
+                    + transactionId , e);
+                if (callback != null) {
+                    callback.onOperationComplete(USB_OPERATION_ERROR_INTERNAL);
+                }
+            }
+        } catch (RemoteException e) {
+            logAndPrintException(pw,
+                    "enableLimitPowerTransfer:Failed to call onOperationComplete. opId:"
+                    + transactionId, e);
         }
     }
 
@@ -355,46 +388,79 @@
      *
      * @param enable enable or disable USB data signaling
      */
-    public boolean enableUsbDataSignal(boolean enable) {
-        try {
-            mEnableUsbDataSignaling = enable;
-            // Call into the hal. Use the castFrom method from HIDL.
-            android.hardware.usb.V1_3.IUsb proxy = android.hardware.usb.V1_3.IUsb.castFrom(mProxy);
-            return proxy.enableUsbDataSignal(enable);
-        } catch (RemoteException e) {
-            logAndPrintException(null, "Failed to set USB data signaling", e);
-            return false;
-        } catch (ClassCastException e) {
-            logAndPrintException(null, "Method only applicable to V1.3 or above implementation", e);
+    public boolean enableUsbData(@NonNull String portId, boolean enable, int transactionId,
+            @NonNull IUsbOperationInternal callback, IndentingPrintWriter pw) {
+        Objects.requireNonNull(callback);
+        Objects.requireNonNull(portId);
+        final PortInfo portInfo = mPorts.get(portId);
+        if (portInfo == null) {
+            logAndPrint(Log.ERROR, pw, "enableUsbData: No such port: " + portId
+                    + " opId:" + transactionId);
+            try {
+                callback.onOperationComplete(USB_OPERATION_ERROR_PORT_MISMATCH);
+            } catch (RemoteException e) {
+                logAndPrintException(pw,
+                        "enableUsbData: Failed to call OperationComplete. opId:"
+                        + transactionId, e);
+            }
             return false;
         }
+
+        try {
+            try {
+                return mUsbPortHal.enableUsbData(portId, enable, transactionId, callback);
+            } catch (Exception e) {
+                logAndPrintException(pw,
+                    "enableUsbData: Failed to invoke enableUsbData. opId:"
+                    + transactionId , e);
+                callback.onOperationComplete(USB_OPERATION_ERROR_INTERNAL);
+            }
+        } catch (RemoteException e) {
+            logAndPrintException(pw,
+                    "enableUsbData: Failed to call onOperationComplete. opId:"
+                    + transactionId, e);
+        }
+
+        return false;
     }
 
     /**
      * Get USB HAL version
      *
      * @param none
+     * @return {@link UsbManager#USB_HAL_RETRY} returned when hal version
+     *         is yet to be determined.
      */
     public int getUsbHalVersion() {
-        return mCurrentUsbHalVersion;
+        if (mUsbPortHal != null) {
+            try {
+                return mUsbPortHal.getUsbHalVersion();
+            } catch (RemoteException e) {
+                return UsbManager.USB_HAL_RETRY;
+            }
+        }
+        return UsbManager.USB_HAL_RETRY;
     }
 
-    /**
-     * update USB HAL version
-     *
-     * @param none
-     */
-    private void updateUsbHalVersion() {
-        if (android.hardware.usb.V1_3.IUsb.castFrom(mProxy) != null) {
-            mCurrentUsbHalVersion = UsbManager.USB_HAL_V1_3;
-        } else if (android.hardware.usb.V1_2.IUsb.castFrom(mProxy) != null) {
-            mCurrentUsbHalVersion = UsbManager.USB_HAL_V1_2;
-        } else if (android.hardware.usb.V1_1.IUsb.castFrom(mProxy) != null) {
-            mCurrentUsbHalVersion = UsbManager.USB_HAL_V1_1;
-        } else {
-            mCurrentUsbHalVersion = UsbManager.USB_HAL_V1_0;
-        }
-        logAndPrint(Log.INFO, null, "USB HAL version: " + mCurrentUsbHalVersion);
+    private int toHalUsbDataRole(int usbDataRole) {
+        if (usbDataRole == DATA_ROLE_DEVICE)
+            return HAL_DATA_ROLE_DEVICE;
+        else
+            return HAL_DATA_ROLE_HOST;
+    }
+
+    private int toHalUsbPowerRole(int usbPowerRole) {
+        if (usbPowerRole == POWER_ROLE_SINK)
+            return HAL_POWER_ROLE_SINK;
+        else
+            return HAL_POWER_ROLE_SOURCE;
+    }
+
+    private int toHalUsbMode(int usbMode) {
+        if (usbMode == MODE_UFP)
+            return HAL_MODE_UFP;
+        else
+            return HAL_MODE_DFP;
     }
 
     public void setPortRoles(String portId, int newPowerRole, int newDataRole,
@@ -473,7 +539,7 @@
                 sim.currentPowerRole = newPowerRole;
                 sim.currentDataRole = newDataRole;
                 updatePortsLocked(pw, null);
-            } else if (mProxy != null) {
+            } else if (mUsbPortHal != null) {
                 if (currentMode != newMode) {
                     // Changing the mode will have the side-effect of also changing
                     // the power and data roles but it might take some time to apply
@@ -485,44 +551,37 @@
                     logAndPrint(Log.ERROR, pw, "Trying to set the USB port mode: "
                             + "portId=" + portId
                             + ", newMode=" + UsbPort.modeToString(newMode));
-                    PortRole newRole = new PortRole();
-                    newRole.type = PortRoleType.MODE;
-                    newRole.role = newMode;
                     try {
-                        mProxy.switchRole(portId, newRole);
-                    } catch (RemoteException e) {
+                        mUsbPortHal.switchMode(portId, toHalUsbMode(newMode), ++mTransactionId);
+                    } catch (Exception e) {
                         logAndPrintException(pw, "Failed to set the USB port mode: "
                                 + "portId=" + portId
-                                + ", newMode=" + UsbPort.modeToString(newRole.role), e);
+                                + ", newMode=" + UsbPort.modeToString(newMode), e);
                     }
                 } else {
                     // Change power and data role independently as needed.
                     if (currentPowerRole != newPowerRole) {
-                        PortRole newRole = new PortRole();
-                        newRole.type = PortRoleType.POWER_ROLE;
-                        newRole.role = newPowerRole;
                         try {
-                            mProxy.switchRole(portId, newRole);
-                        } catch (RemoteException e) {
+                            mUsbPortHal.switchPowerRole(portId, toHalUsbPowerRole(newPowerRole),
+                                    ++mTransactionId);
+                        } catch (Exception e) {
                             logAndPrintException(pw, "Failed to set the USB port power role: "
                                             + "portId=" + portId
                                             + ", newPowerRole=" + UsbPort.powerRoleToString
-                                            (newRole.role),
+                                            (newPowerRole),
                                     e);
                             return;
                         }
                     }
                     if (currentDataRole != newDataRole) {
-                        PortRole newRole = new PortRole();
-                        newRole.type = PortRoleType.DATA_ROLE;
-                        newRole.role = newDataRole;
                         try {
-                            mProxy.switchRole(portId, newRole);
-                        } catch (RemoteException e) {
+                            mUsbPortHal.switchDataRole(portId, toHalUsbDataRole(newDataRole),
+                                    ++mTransactionId);
+                        } catch (Exception e) {
                             logAndPrintException(pw, "Failed to set the USB port data role: "
                                             + "portId=" + portId
-                                            + ", newDataRole=" + UsbPort.dataRoleToString(newRole
-                                            .role),
+                                            + ", newDataRole=" + UsbPort.dataRoleToString
+                                            (newDataRole),
                                     e);
                         }
                     }
@@ -531,6 +590,15 @@
         }
     }
 
+    public void updatePorts(ArrayList<RawPortInfo> newPortInfo) {
+        Message message = mHandler.obtainMessage();
+        Bundle bundle = new Bundle();
+        bundle.putParcelableArrayList(PORT_INFO, newPortInfo);
+        message.what = MSG_UPDATE_PORTS;
+        message.setData(bundle);
+        mHandler.sendMessage(message);
+    }
+
     public void addSimulatedPort(String portId, int supportedModes, IndentingPrintWriter pw) {
         synchronized (mLock) {
             if (mSimulatedPorts.containsKey(portId)) {
@@ -662,191 +730,12 @@
                 portInfo.dump(dump, "usb_ports", UsbPortManagerProto.USB_PORTS);
             }
 
-            dump.write("enable_usb_data_signaling", UsbPortManagerProto.ENABLE_USB_DATA_SIGNALING,
-                    mEnableUsbDataSignaling);
+            dump.write("usb_hal_version", UsbPortManagerProto.HAL_VERSION, getUsbHalVersion());
         }
 
         dump.end(token);
     }
 
-    private static class HALCallback extends IUsbCallback.Stub {
-        public IndentingPrintWriter pw;
-        public UsbPortManager portManager;
-
-        HALCallback(IndentingPrintWriter pw, UsbPortManager portManager) {
-            this.pw = pw;
-            this.portManager = portManager;
-        }
-
-        public void notifyPortStatusChange(
-                ArrayList<android.hardware.usb.V1_0.PortStatus> currentPortStatus, int retval) {
-            if (!portManager.mSystemReady) {
-                return;
-            }
-
-            if (retval != Status.SUCCESS) {
-                logAndPrint(Log.ERROR, pw, "port status enquiry failed");
-                return;
-            }
-
-            ArrayList<RawPortInfo> newPortInfo = new ArrayList<>();
-
-            for (android.hardware.usb.V1_0.PortStatus current : currentPortStatus) {
-                RawPortInfo temp = new RawPortInfo(current.portName,
-                        current.supportedModes, CONTAMINANT_PROTECTION_NONE,
-                        current.currentMode,
-                        current.canChangeMode, current.currentPowerRole,
-                        current.canChangePowerRole,
-                        current.currentDataRole, current.canChangeDataRole,
-                        false, CONTAMINANT_PROTECTION_NONE,
-                        false, CONTAMINANT_DETECTION_NOT_SUPPORTED);
-                newPortInfo.add(temp);
-                logAndPrint(Log.INFO, pw, "ClientCallback V1_0: " + current.portName);
-            }
-
-            Message message = portManager.mHandler.obtainMessage();
-            Bundle bundle = new Bundle();
-            bundle.putParcelableArrayList(PORT_INFO, newPortInfo);
-            message.what = MSG_UPDATE_PORTS;
-            message.setData(bundle);
-            portManager.mHandler.sendMessage(message);
-        }
-
-
-        public void notifyPortStatusChange_1_1(ArrayList<PortStatus_1_1> currentPortStatus,
-                int retval) {
-            if (!portManager.mSystemReady) {
-                return;
-            }
-
-            if (retval != Status.SUCCESS) {
-                logAndPrint(Log.ERROR, pw, "port status enquiry failed");
-                return;
-            }
-
-            ArrayList<RawPortInfo> newPortInfo = new ArrayList<>();
-
-            int numStatus = currentPortStatus.size();
-            for (int i = 0; i < numStatus; i++) {
-                PortStatus_1_1 current = currentPortStatus.get(i);
-                RawPortInfo temp = new RawPortInfo(current.status.portName,
-                        current.supportedModes, CONTAMINANT_PROTECTION_NONE,
-                        current.currentMode,
-                        current.status.canChangeMode, current.status.currentPowerRole,
-                        current.status.canChangePowerRole,
-                        current.status.currentDataRole, current.status.canChangeDataRole,
-                        false, CONTAMINANT_PROTECTION_NONE,
-                        false, CONTAMINANT_DETECTION_NOT_SUPPORTED);
-                newPortInfo.add(temp);
-                logAndPrint(Log.INFO, pw, "ClientCallback V1_1: " + current.status.portName);
-            }
-
-            Message message = portManager.mHandler.obtainMessage();
-            Bundle bundle = new Bundle();
-            bundle.putParcelableArrayList(PORT_INFO, newPortInfo);
-            message.what = MSG_UPDATE_PORTS;
-            message.setData(bundle);
-            portManager.mHandler.sendMessage(message);
-        }
-
-        public void notifyPortStatusChange_1_2(
-                ArrayList<PortStatus> currentPortStatus, int retval) {
-            if (!portManager.mSystemReady) {
-                return;
-            }
-
-            if (retval != Status.SUCCESS) {
-                logAndPrint(Log.ERROR, pw, "port status enquiry failed");
-                return;
-            }
-
-            ArrayList<RawPortInfo> newPortInfo = new ArrayList<>();
-
-            int numStatus = currentPortStatus.size();
-            for (int i = 0; i < numStatus; i++) {
-                PortStatus current = currentPortStatus.get(i);
-                RawPortInfo temp = new RawPortInfo(current.status_1_1.status.portName,
-                        current.status_1_1.supportedModes,
-                        current.supportedContaminantProtectionModes,
-                        current.status_1_1.currentMode,
-                        current.status_1_1.status.canChangeMode,
-                        current.status_1_1.status.currentPowerRole,
-                        current.status_1_1.status.canChangePowerRole,
-                        current.status_1_1.status.currentDataRole,
-                        current.status_1_1.status.canChangeDataRole,
-                        current.supportsEnableContaminantPresenceProtection,
-                        current.contaminantProtectionStatus,
-                        current.supportsEnableContaminantPresenceDetection,
-                        current.contaminantDetectionStatus);
-                newPortInfo.add(temp);
-                logAndPrint(Log.INFO, pw, "ClientCallback V1_2: "
-                        + current.status_1_1.status.portName);
-            }
-
-            Message message = portManager.mHandler.obtainMessage();
-            Bundle bundle = new Bundle();
-            bundle.putParcelableArrayList(PORT_INFO, newPortInfo);
-            message.what = MSG_UPDATE_PORTS;
-            message.setData(bundle);
-            portManager.mHandler.sendMessage(message);
-        }
-
-        public void notifyRoleSwitchStatus(String portName, PortRole role, int retval) {
-            if (retval == Status.SUCCESS) {
-                logAndPrint(Log.INFO, pw, portName + " role switch successful");
-            } else {
-                logAndPrint(Log.ERROR, pw, portName + " role switch failed");
-            }
-        }
-    }
-
-    final class DeathRecipient implements HwBinder.DeathRecipient {
-        public IndentingPrintWriter pw;
-
-        DeathRecipient(IndentingPrintWriter pw) {
-            this.pw = pw;
-        }
-
-        @Override
-        public void serviceDied(long cookie) {
-            if (cookie == USB_HAL_DEATH_COOKIE) {
-                logAndPrint(Log.ERROR, pw, "Usb hal service died cookie: " + cookie);
-                synchronized (mLock) {
-                    mProxy = null;
-                }
-            }
-        }
-    }
-
-    final class ServiceNotification extends IServiceNotification.Stub {
-        @Override
-        public void onRegistration(String fqName, String name, boolean preexisting) {
-            logAndPrint(Log.INFO, null, "Usb hal service started " + fqName + " " + name);
-            connectToProxy(null);
-        }
-    }
-
-    private void connectToProxy(IndentingPrintWriter pw) {
-        synchronized (mLock) {
-            if (mProxy != null) {
-                return;
-            }
-
-            try {
-                mProxy = IUsb.getService();
-                mProxy.linkToDeath(new DeathRecipient(pw), USB_HAL_DEATH_COOKIE);
-                mProxy.setCallback(mHALCallback);
-                mProxy.queryPortStatus();
-                updateUsbHalVersion();
-            } catch (NoSuchElementException e) {
-                logAndPrintException(pw, "connectToProxy: usb hal service not found."
-                        + " Did the service fail to start?", e);
-            } catch (RemoteException e) {
-                logAndPrintException(pw, "connectToProxy: usb hal service not responding", e);
-            }
-        }
-    }
-
     /**
      * Simulated ports directly add the new roles to mSimulatedPorts before calling.
      * USB hal callback populates and sends the newPortInfo.
@@ -869,7 +758,9 @@
                         portInfo.supportsEnableContaminantPresenceProtection,
                         portInfo.contaminantProtectionStatus,
                         portInfo.supportsEnableContaminantPresenceDetection,
-                        portInfo.contaminantDetectionStatus, pw);
+                        portInfo.contaminantDetectionStatus,
+                        portInfo.usbDataEnabled,
+                        portInfo.powerTransferLimited, pw);
             }
         } else {
             for (RawPortInfo currentPortInfo : newPortInfo) {
@@ -881,7 +772,9 @@
                         currentPortInfo.supportsEnableContaminantPresenceProtection,
                         currentPortInfo.contaminantProtectionStatus,
                         currentPortInfo.supportsEnableContaminantPresenceDetection,
-                        currentPortInfo.contaminantDetectionStatus, pw);
+                        currentPortInfo.contaminantDetectionStatus,
+                        currentPortInfo.usbDataEnabled,
+                        currentPortInfo.powerTransferLimited, pw);
             }
         }
 
@@ -917,6 +810,8 @@
             int contaminantProtectionStatus,
             boolean supportsEnableContaminantPresenceDetection,
             int contaminantDetectionStatus,
+            boolean usbDataEnabled,
+            boolean powerTransferLimited,
             IndentingPrintWriter pw) {
         // Only allow mode switch capability for dual role ports.
         // Validate that the current mode matches the supported modes we expect.
@@ -975,7 +870,8 @@
                     currentPowerRole, canChangePowerRole,
                     currentDataRole, canChangeDataRole,
                     supportedRoleCombinations, contaminantProtectionStatus,
-                    contaminantDetectionStatus);
+                    contaminantDetectionStatus, usbDataEnabled,
+                    powerTransferLimited);
             mPorts.put(portId, portInfo);
         } else {
             // Validate that ports aren't changing definition out from under us.
@@ -1012,7 +908,8 @@
                     currentPowerRole, canChangePowerRole,
                     currentDataRole, canChangeDataRole,
                     supportedRoleCombinations, contaminantProtectionStatus,
-                    contaminantDetectionStatus)) {
+                    contaminantDetectionStatus, usbDataEnabled,
+                    powerTransferLimited)) {
                 portInfo.mDisposition = PortInfo.DISPOSITION_CHANGED;
             } else {
                 portInfo.mDisposition = PortInfo.DISPOSITION_READY;
@@ -1034,6 +931,7 @@
     private void handlePortChangedLocked(PortInfo portInfo, IndentingPrintWriter pw) {
         logAndPrint(Log.INFO, pw, "USB port changed: " + portInfo);
         enableContaminantDetectionIfNeeded(portInfo, pw);
+        disableLimitPowerTransferIfNeeded(portInfo, pw);
         handlePortLocked(portInfo, pw);
     }
 
@@ -1090,6 +988,19 @@
         }
     }
 
+    private void disableLimitPowerTransferIfNeeded(PortInfo portInfo, IndentingPrintWriter pw) {
+        if (!mConnected.containsKey(portInfo.mUsbPort.getId())) {
+            return;
+        }
+
+        if (mConnected.get(portInfo.mUsbPort.getId())
+                && !portInfo.mUsbPortStatus.isConnected()
+                && portInfo.mUsbPortStatus.isPowerTransferLimited()) {
+            // Relax enableLimitPowerTransfer upon unplug.
+            enableLimitPowerTransfer(portInfo.mUsbPort.getId(), false, ++mTransactionId, null, pw);
+        }
+    }
+
     private void logToStatsd(PortInfo portInfo, IndentingPrintWriter pw) {
         // Port is removed
         if (portInfo.mUsbPortStatus == null) {
@@ -1141,14 +1052,14 @@
         }
     }
 
-    private static void logAndPrint(int priority, IndentingPrintWriter pw, String msg) {
+    public static void logAndPrint(int priority, IndentingPrintWriter pw, String msg) {
         Slog.println(priority, TAG, msg);
         if (pw != null) {
             pw.println(msg);
         }
     }
 
-    private static void logAndPrintException(IndentingPrintWriter pw, String msg, Exception e) {
+    public static void logAndPrintException(IndentingPrintWriter pw, String msg, Exception e) {
         Slog.e(TAG, msg, e);
         if (pw != null) {
             pw.println(msg + e);
@@ -1179,7 +1090,7 @@
     /**
      * Describes a USB port.
      */
-    private static final class PortInfo {
+    public static final class PortInfo {
         public static final int DISPOSITION_ADDED = 0;
         public static final int DISPOSITION_CHANGED = 1;
         public static final int DISPOSITION_READY = 2;
@@ -1224,7 +1135,7 @@
                     != supportedRoleCombinations) {
                 mUsbPortStatus = new UsbPortStatus(currentMode, currentPowerRole, currentDataRole,
                         supportedRoleCombinations, UsbPortStatus.CONTAMINANT_PROTECTION_NONE,
-                        UsbPortStatus.CONTAMINANT_DETECTION_NOT_SUPPORTED);
+                        UsbPortStatus.CONTAMINANT_DETECTION_NOT_SUPPORTED, true, false);
                 dispositionChanged = true;
             }
 
@@ -1243,7 +1154,8 @@
                 int currentPowerRole, boolean canChangePowerRole,
                 int currentDataRole, boolean canChangeDataRole,
                 int supportedRoleCombinations, int contaminantProtectionStatus,
-                int contaminantDetectionStatus) {
+                int contaminantDetectionStatus, boolean usbDataEnabled,
+                boolean powerTransferLimited) {
             boolean dispositionChanged = false;
 
             mCanChangeMode = canChangeMode;
@@ -1258,10 +1170,15 @@
                     || mUsbPortStatus.getContaminantProtectionStatus()
                     != contaminantProtectionStatus
                     || mUsbPortStatus.getContaminantDetectionStatus()
-                    != contaminantDetectionStatus) {
+                    != contaminantDetectionStatus
+                    || mUsbPortStatus.getUsbDataStatus()
+                    != usbDataEnabled
+                    || mUsbPortStatus.isPowerTransferLimited()
+                    != powerTransferLimited) {
                 mUsbPortStatus = new UsbPortStatus(currentMode, currentPowerRole, currentDataRole,
                         supportedRoleCombinations, contaminantProtectionStatus,
-                        contaminantDetectionStatus);
+                        contaminantDetectionStatus, usbDataEnabled,
+                        powerTransferLimited);
                 dispositionChanged = true;
             }
 
@@ -1290,7 +1207,6 @@
                     UsbPortInfoProto.CONNECTED_AT_MILLIS, mConnectedAtMillis);
             dump.write("last_connect_duration_millis",
                     UsbPortInfoProto.LAST_CONNECT_DURATION_MILLIS, mLastConnectDurationMillis);
-
             dump.end(token);
         }
 
@@ -1304,115 +1220,4 @@
                     + ", lastConnectDurationMillis=" + mLastConnectDurationMillis;
         }
     }
-
-    /**
-     * Used for storing the raw data from the kernel
-     * Values of the member variables mocked directly incase of emulation.
-     */
-    private static final class RawPortInfo implements Parcelable {
-        public final String portId;
-        public final int supportedModes;
-        public final int supportedContaminantProtectionModes;
-        public int currentMode;
-        public boolean canChangeMode;
-        public int currentPowerRole;
-        public boolean canChangePowerRole;
-        public int currentDataRole;
-        public boolean canChangeDataRole;
-        public boolean supportsEnableContaminantPresenceProtection;
-        public int contaminantProtectionStatus;
-        public boolean supportsEnableContaminantPresenceDetection;
-        public int contaminantDetectionStatus;
-
-        RawPortInfo(String portId, int supportedModes) {
-            this.portId = portId;
-            this.supportedModes = supportedModes;
-            this.supportedContaminantProtectionModes = UsbPortStatus.CONTAMINANT_PROTECTION_NONE;
-            this.supportsEnableContaminantPresenceProtection = false;
-            this.contaminantProtectionStatus = UsbPortStatus.CONTAMINANT_PROTECTION_NONE;
-            this.supportsEnableContaminantPresenceDetection = false;
-            this.contaminantDetectionStatus = UsbPortStatus.CONTAMINANT_DETECTION_NOT_SUPPORTED;
-        }
-
-        RawPortInfo(String portId, int supportedModes, int supportedContaminantProtectionModes,
-                int currentMode, boolean canChangeMode,
-                int currentPowerRole, boolean canChangePowerRole,
-                int currentDataRole, boolean canChangeDataRole,
-                boolean supportsEnableContaminantPresenceProtection,
-                int contaminantProtectionStatus,
-                boolean supportsEnableContaminantPresenceDetection,
-                int contaminantDetectionStatus) {
-            this.portId = portId;
-            this.supportedModes = supportedModes;
-            this.supportedContaminantProtectionModes = supportedContaminantProtectionModes;
-            this.currentMode = currentMode;
-            this.canChangeMode = canChangeMode;
-            this.currentPowerRole = currentPowerRole;
-            this.canChangePowerRole = canChangePowerRole;
-            this.currentDataRole = currentDataRole;
-            this.canChangeDataRole = canChangeDataRole;
-            this.supportsEnableContaminantPresenceProtection =
-                    supportsEnableContaminantPresenceProtection;
-            this.contaminantProtectionStatus = contaminantProtectionStatus;
-            this.supportsEnableContaminantPresenceDetection =
-                    supportsEnableContaminantPresenceDetection;
-            this.contaminantDetectionStatus = contaminantDetectionStatus;
-        }
-
-
-        @Override
-        public int describeContents() {
-            return 0;
-        }
-
-        @Override
-        public void writeToParcel(Parcel dest, int flags) {
-            dest.writeString(portId);
-            dest.writeInt(supportedModes);
-            dest.writeInt(supportedContaminantProtectionModes);
-            dest.writeInt(currentMode);
-            dest.writeByte((byte) (canChangeMode ? 1 : 0));
-            dest.writeInt(currentPowerRole);
-            dest.writeByte((byte) (canChangePowerRole ? 1 : 0));
-            dest.writeInt(currentDataRole);
-            dest.writeByte((byte) (canChangeDataRole ? 1 : 0));
-            dest.writeBoolean(supportsEnableContaminantPresenceProtection);
-            dest.writeInt(contaminantProtectionStatus);
-            dest.writeBoolean(supportsEnableContaminantPresenceDetection);
-            dest.writeInt(contaminantDetectionStatus);
-        }
-
-        public static final Parcelable.Creator<RawPortInfo> CREATOR =
-                new Parcelable.Creator<RawPortInfo>() {
-            @Override
-            public RawPortInfo createFromParcel(Parcel in) {
-                String id = in.readString();
-                int supportedModes = in.readInt();
-                int supportedContaminantProtectionModes = in.readInt();
-                int currentMode = in.readInt();
-                boolean canChangeMode = in.readByte() != 0;
-                int currentPowerRole = in.readInt();
-                boolean canChangePowerRole = in.readByte() != 0;
-                int currentDataRole = in.readInt();
-                boolean canChangeDataRole = in.readByte() != 0;
-                boolean supportsEnableContaminantPresenceProtection = in.readBoolean();
-                int contaminantProtectionStatus = in.readInt();
-                boolean supportsEnableContaminantPresenceDetection = in.readBoolean();
-                int contaminantDetectionStatus = in.readInt();
-                return new RawPortInfo(id, supportedModes,
-                        supportedContaminantProtectionModes, currentMode, canChangeMode,
-                        currentPowerRole, canChangePowerRole,
-                        currentDataRole, canChangeDataRole,
-                        supportsEnableContaminantPresenceProtection,
-                        contaminantProtectionStatus,
-                        supportsEnableContaminantPresenceDetection,
-                        contaminantDetectionStatus);
-            }
-
-            @Override
-            public RawPortInfo[] newArray(int size) {
-                return new RawPortInfo[size];
-            }
-        };
-    }
 }
diff --git a/services/usb/java/com/android/server/usb/UsbService.java b/services/usb/java/com/android/server/usb/UsbService.java
index 3d3538d..51643e7 100644
--- a/services/usb/java/com/android/server/usb/UsbService.java
+++ b/services/usb/java/com/android/server/usb/UsbService.java
@@ -16,6 +16,7 @@
 
 package com.android.server.usb;
 
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_ERROR_INTERNAL;
 import static android.hardware.usb.UsbPortStatus.DATA_ROLE_DEVICE;
 import static android.hardware.usb.UsbPortStatus.DATA_ROLE_HOST;
 import static android.hardware.usb.UsbPortStatus.MODE_DFP;
@@ -35,6 +36,7 @@
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;
 import android.hardware.usb.IUsbManager;
+import android.hardware.usb.IUsbOperationInternal;
 import android.hardware.usb.ParcelableUsbPort;
 import android.hardware.usb.UsbAccessory;
 import android.hardware.usb.UsbDevice;
@@ -44,6 +46,7 @@
 import android.os.Binder;
 import android.os.Bundle;
 import android.os.ParcelFileDescriptor;
+import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.service.usb.UsbServiceDumpProto;
@@ -731,6 +734,28 @@
     }
 
     @Override
+    public void enableLimitPowerTransfer(String portId, boolean limit, int operationId,
+            IUsbOperationInternal callback) {
+        Objects.requireNonNull(portId, "portId must not be null. opID:" + operationId);
+        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);
+
+        final long ident = Binder.clearCallingIdentity();
+        try {
+            if (mPortManager != null) {
+                mPortManager.enableLimitPowerTransfer(portId, limit, operationId, callback, null);
+            } else {
+                try {
+                    callback.onOperationComplete(USB_OPERATION_ERROR_INTERNAL);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "enableLimitPowerTransfer: Failed to call onOperationComplete", e);
+                }
+            }
+        } finally {
+            Binder.restoreCallingIdentity(ident);
+        }
+    }
+
+    @Override
     public void enableContaminantDetection(String portId, boolean enable) {
         Objects.requireNonNull(portId, "portId must not be null");
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);
@@ -762,19 +787,30 @@
     }
 
     @Override
-    public boolean enableUsbDataSignal(boolean enable) {
+    public boolean enableUsbData(String portId, boolean enable, int operationId,
+            IUsbOperationInternal callback) {
+        Objects.requireNonNull(portId, "enableUsbData: portId must not be null. opId:"
+                + operationId);
+        Objects.requireNonNull(callback, "enableUsbData: callback must not be null. opId:"
+                + operationId);
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);
-
         final long ident = Binder.clearCallingIdentity();
+        boolean wait;
         try {
             if (mPortManager != null) {
-                return mPortManager.enableUsbDataSignal(enable);
+                wait = mPortManager.enableUsbData(portId, enable, operationId, callback, null);
             } else {
-                return false;
+                wait = false;
+                try {
+                    callback.onOperationComplete(USB_OPERATION_ERROR_INTERNAL);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "enableUsbData: Failed to call onOperationComplete", e);
+                }
             }
         } finally {
             Binder.restoreCallingIdentity(ident);
         }
+        return wait;
     }
 
     @Override
diff --git a/services/usb/java/com/android/server/usb/descriptors/UsbDescriptorParser.java b/services/usb/java/com/android/server/usb/descriptors/UsbDescriptorParser.java
index 3412a6f..6e68a91 100644
--- a/services/usb/java/com/android/server/usb/descriptors/UsbDescriptorParser.java
+++ b/services/usb/java/com/android/server/usb/descriptors/UsbDescriptorParser.java
@@ -870,4 +870,35 @@
         return getOutputHeadsetProbability() >= OUT_HEADSET_TRIGGER;
     }
 
+    /**
+     * isDock() indicates if the connected USB output peripheral is a docking station with
+     * audio output.
+     * A valid audio dock must declare only one audio output control terminal of type
+     * TERMINAL_EXTERN_DIGITAL.
+     */
+    public boolean isDock() {
+        if (hasMIDIInterface() || hasHIDInterface()) {
+            return false;
+        }
+
+        ArrayList<UsbDescriptor> acDescriptors =
+                getACInterfaceDescriptors(UsbACInterface.ACI_OUTPUT_TERMINAL,
+                        UsbACInterface.AUDIO_AUDIOCONTROL);
+
+        if (acDescriptors.size() != 1) {
+            return false;
+        }
+
+        if (acDescriptors.get(0) instanceof UsbACTerminal) {
+            UsbACTerminal outDescr = (UsbACTerminal) acDescriptors.get(0);
+            if (outDescr.getTerminalType() == UsbTerminalTypes.TERMINAL_EXTERN_DIGITAL) {
+                return true;
+            }
+        } else {
+            Log.w(TAG, "Undefined Audio Output terminal l: " + acDescriptors.get(0).getLength()
+                    + " t:0x" + Integer.toHexString(acDescriptors.get(0).getType()));
+        }
+        return false;
+    }
+
 }
diff --git a/services/usb/java/com/android/server/usb/hal/port/RawPortInfo.java b/services/usb/java/com/android/server/usb/hal/port/RawPortInfo.java
new file mode 100644
index 0000000..8dfc859
--- /dev/null
+++ b/services/usb/java/com/android/server/usb/hal/port/RawPortInfo.java
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.server.usb.hal.port;
+
+import android.hardware.usb.UsbPortStatus;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * Used for storing the raw data from the HAL.
+ * Values of the member variables mocked directly in case of emulation.
+ */
+public final class RawPortInfo implements Parcelable {
+    public final String portId;
+    public final int supportedModes;
+    public final int supportedContaminantProtectionModes;
+    public int currentMode;
+    public boolean canChangeMode;
+    public int currentPowerRole;
+    public boolean canChangePowerRole;
+    public int currentDataRole;
+    public boolean canChangeDataRole;
+    public boolean supportsEnableContaminantPresenceProtection;
+    public int contaminantProtectionStatus;
+    public boolean supportsEnableContaminantPresenceDetection;
+    public int contaminantDetectionStatus;
+    public boolean usbDataEnabled;
+    public boolean powerTransferLimited;
+
+    public RawPortInfo(String portId, int supportedModes) {
+        this.portId = portId;
+        this.supportedModes = supportedModes;
+        this.supportedContaminantProtectionModes = UsbPortStatus.CONTAMINANT_PROTECTION_NONE;
+        this.supportsEnableContaminantPresenceProtection = false;
+        this.contaminantProtectionStatus = UsbPortStatus.CONTAMINANT_PROTECTION_NONE;
+        this.supportsEnableContaminantPresenceDetection = false;
+        this.contaminantDetectionStatus = UsbPortStatus.CONTAMINANT_DETECTION_NOT_SUPPORTED;
+        this.usbDataEnabled = true;
+        this.powerTransferLimited = false;
+    }
+
+    public RawPortInfo(String portId, int supportedModes, int supportedContaminantProtectionModes,
+            int currentMode, boolean canChangeMode,
+            int currentPowerRole, boolean canChangePowerRole,
+            int currentDataRole, boolean canChangeDataRole,
+            boolean supportsEnableContaminantPresenceProtection,
+            int contaminantProtectionStatus,
+            boolean supportsEnableContaminantPresenceDetection,
+            int contaminantDetectionStatus,
+            boolean usbDataEnabled,
+            boolean powerTransferLimited) {
+        this.portId = portId;
+        this.supportedModes = supportedModes;
+        this.supportedContaminantProtectionModes = supportedContaminantProtectionModes;
+        this.currentMode = currentMode;
+        this.canChangeMode = canChangeMode;
+        this.currentPowerRole = currentPowerRole;
+        this.canChangePowerRole = canChangePowerRole;
+        this.currentDataRole = currentDataRole;
+        this.canChangeDataRole = canChangeDataRole;
+        this.supportsEnableContaminantPresenceProtection =
+                supportsEnableContaminantPresenceProtection;
+        this.contaminantProtectionStatus = contaminantProtectionStatus;
+        this.supportsEnableContaminantPresenceDetection =
+                supportsEnableContaminantPresenceDetection;
+        this.contaminantDetectionStatus = contaminantDetectionStatus;
+        this.usbDataEnabled = usbDataEnabled;
+        this.powerTransferLimited = powerTransferLimited;
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeString(portId);
+        dest.writeInt(supportedModes);
+        dest.writeInt(supportedContaminantProtectionModes);
+        dest.writeInt(currentMode);
+        dest.writeByte((byte) (canChangeMode ? 1 : 0));
+        dest.writeInt(currentPowerRole);
+        dest.writeByte((byte) (canChangePowerRole ? 1 : 0));
+        dest.writeInt(currentDataRole);
+        dest.writeByte((byte) (canChangeDataRole ? 1 : 0));
+        dest.writeBoolean(supportsEnableContaminantPresenceProtection);
+        dest.writeInt(contaminantProtectionStatus);
+        dest.writeBoolean(supportsEnableContaminantPresenceDetection);
+        dest.writeInt(contaminantDetectionStatus);
+        dest.writeBoolean(usbDataEnabled);
+        dest.writeBoolean(powerTransferLimited);
+    }
+
+    public static final Parcelable.Creator<RawPortInfo> CREATOR =
+            new Parcelable.Creator<RawPortInfo>() {
+        @Override
+        public RawPortInfo createFromParcel(Parcel in) {
+            String id = in.readString();
+            int supportedModes = in.readInt();
+            int supportedContaminantProtectionModes = in.readInt();
+            int currentMode = in.readInt();
+            boolean canChangeMode = in.readByte() != 0;
+            int currentPowerRole = in.readInt();
+            boolean canChangePowerRole = in.readByte() != 0;
+            int currentDataRole = in.readInt();
+            boolean canChangeDataRole = in.readByte() != 0;
+            boolean supportsEnableContaminantPresenceProtection = in.readBoolean();
+            int contaminantProtectionStatus = in.readInt();
+            boolean supportsEnableContaminantPresenceDetection = in.readBoolean();
+            int contaminantDetectionStatus = in.readInt();
+            boolean usbDataEnabled = in.readBoolean();
+            boolean powerTransferLimited = in.readBoolean();
+            return new RawPortInfo(id, supportedModes,
+                    supportedContaminantProtectionModes, currentMode, canChangeMode,
+                    currentPowerRole, canChangePowerRole,
+                    currentDataRole, canChangeDataRole,
+                    supportsEnableContaminantPresenceProtection,
+                    contaminantProtectionStatus,
+                    supportsEnableContaminantPresenceDetection,
+                    contaminantDetectionStatus, usbDataEnabled,
+                    powerTransferLimited);
+        }
+
+        @Override
+        public RawPortInfo[] newArray(int size) {
+            return new RawPortInfo[size];
+        }
+    };
+}
diff --git a/services/usb/java/com/android/server/usb/hal/port/UsbPortAidl.java b/services/usb/java/com/android/server/usb/hal/port/UsbPortAidl.java
new file mode 100644
index 0000000..2460242
--- /dev/null
+++ b/services/usb/java/com/android/server/usb/hal/port/UsbPortAidl.java
@@ -0,0 +1,533 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.server.usb.hal.port;
+
+import static android.hardware.usb.UsbManager.USB_HAL_V2_0;
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_ERROR_INTERNAL;
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_SUCCESS;
+
+import static com.android.server.usb.UsbPortManager.logAndPrint;
+import static com.android.server.usb.UsbPortManager.logAndPrintException;
+
+import android.annotation.Nullable;
+import android.hardware.usb.ContaminantProtectionStatus;
+import android.hardware.usb.IUsb;
+import android.hardware.usb.IUsbOperationInternal;
+import android.hardware.usb.UsbManager.UsbHalVersion;
+import android.hardware.usb.UsbPort;
+import android.hardware.usb.UsbPortStatus;
+import android.hardware.usb.PortMode;
+import android.hardware.usb.Status;
+import android.hardware.usb.IUsbCallback;
+import android.hardware.usb.PortRole;
+import android.hardware.usb.PortStatus;
+import android.os.ServiceManager;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.util.Log;
+import android.util.LongSparseArray;
+import android.util.Slog;
+
+import com.android.internal.annotations.GuardedBy;
+import com.android.internal.util.IndentingPrintWriter;
+import com.android.server.usb.UsbPortManager;
+import com.android.server.usb.hal.port.RawPortInfo;
+
+import java.util.ArrayList;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.NoSuchElementException;
+import java.util.Objects;
+
+/**
+ * Implements the methods to interact with AIDL USB HAL.
+ */
+public final class UsbPortAidl implements UsbPortHal {
+    private static final String TAG = UsbPortAidl.class.getSimpleName();
+    private static final String USB_AIDL_SERVICE =
+            "android.hardware.usb.IUsb/default";
+    private static final LongSparseArray<IUsbOperationInternal>
+                sCallbacks = new LongSparseArray<>();
+    // Proxy object for the usb hal daemon.
+    @GuardedBy("mLock")
+    private IUsb mProxy;
+    private UsbPortManager mPortManager;
+    public IndentingPrintWriter mPw;
+    // Mutex for all mutable shared state.
+    private final Object mLock = new Object();
+    // Callback when the UsbPort status is changed by the kernel.
+    private HALCallback mHALCallback;
+    private IBinder mBinder;
+    private boolean mSystemReady;
+    private long mTransactionId;
+
+    public @UsbHalVersion int getUsbHalVersion() throws RemoteException {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                throw new RemoteException("IUsb not initialized yet");
+            }
+        }
+        logAndPrint(Log.INFO, null, "USB HAL AIDL version: USB_HAL_V2_0");
+        return USB_HAL_V2_0;
+    }
+
+    @Override
+    public void systemReady() {
+        mSystemReady = true;
+    }
+
+    public void serviceDied() {
+        logAndPrint(Log.ERROR, mPw, "Usb AIDL hal service died");
+        synchronized (mLock) {
+            mProxy = null;
+        }
+        connectToProxy(null);
+    }
+
+    private void connectToProxy(IndentingPrintWriter pw) {
+        synchronized (mLock) {
+            if (mProxy != null) {
+                return;
+            }
+
+            try {
+                mBinder = ServiceManager.waitForService(USB_AIDL_SERVICE);
+                mProxy = IUsb.Stub.asInterface(mBinder);
+                mBinder.linkToDeath(this::serviceDied, 0);
+                mProxy.setCallback(mHALCallback);
+                mProxy.queryPortStatus(++mTransactionId);
+            } catch (NoSuchElementException e) {
+                logAndPrintException(pw, "connectToProxy: usb hal service not found."
+                        + " Did the service fail to start?", e);
+            } catch (RemoteException e) {
+                logAndPrintException(pw, "connectToProxy: usb hal service not responding", e);
+            }
+        }
+    }
+
+    static boolean isServicePresent(IndentingPrintWriter pw) {
+        try {
+            return ServiceManager.isDeclared(USB_AIDL_SERVICE);
+        } catch (NoSuchElementException e) {
+            logAndPrintException(pw, "connectToProxy: usb Aidl hal service not found.", e);
+        }
+
+        return false;
+    }
+
+    public UsbPortAidl(UsbPortManager portManager, IndentingPrintWriter pw) {
+        mPortManager = Objects.requireNonNull(portManager);
+        mPw = pw;
+        mHALCallback = new HALCallback(null, mPortManager, this);
+        connectToProxy(mPw);
+    }
+
+    @Override
+    public void enableContaminantPresenceDetection(String portName, boolean enable,
+            long operationID) {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                logAndPrint(Log.ERROR, mPw, "Proxy is null. Retry ! opID: "
+                        + operationID);
+                return;
+            }
+
+            try {
+                // Oneway call into the hal. Use the castFrom method from HIDL.
+                mProxy.enableContaminantPresenceDetection(portName, enable, operationID);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw, "Failed to set contaminant detection. opID:"
+                        + operationID, e);
+            }
+        }
+    }
+
+    @Override
+    public void queryPortStatus(long operationID) {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                logAndPrint(Log.ERROR, mPw, "Proxy is null. Retry ! opID:"
+                        + operationID);
+                return;
+            }
+
+            try {
+                mProxy.queryPortStatus(operationID);
+            } catch (RemoteException e) {
+                logAndPrintException(null, "ServiceStart: Failed to query port status. opID:"
+                        + operationID, e);
+            }
+       }
+    }
+
+    @Override
+    public void switchMode(String portId, @HalUsbPortMode int newMode, long operationID) {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                logAndPrint(Log.ERROR, mPw, "Proxy is null. Retry ! opID:"
+                        + operationID);
+                return;
+            }
+
+            PortRole newRole = new PortRole();
+            newRole.setMode((byte)newMode);
+            try {
+                mProxy.switchRole(portId, newRole, operationID);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw, "Failed to set the USB port mode: "
+                        + "portId=" + portId
+                        + ", newMode=" + UsbPort.modeToString(newMode)
+                        + "opID:" + operationID, e);
+            }
+        }
+    }
+
+    @Override
+    public void switchPowerRole(String portId, @HalUsbPowerRole int newPowerRole,
+            long operationID) {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                logAndPrint(Log.ERROR, mPw, "Proxy is null. Retry ! opID:"
+                        + operationID);
+                return;
+            }
+
+            PortRole newRole = new PortRole();
+            newRole.setPowerRole((byte)newPowerRole);
+            try {
+                mProxy.switchRole(portId, newRole, operationID);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw, "Failed to set the USB power role: portId=" + portId
+                        + ", newPowerRole=" + UsbPort.powerRoleToString(newPowerRole)
+                        + "opID:" + operationID, e);
+            }
+        }
+    }
+
+    @Override
+    public void switchDataRole(String portId, @HalUsbDataRole int newDataRole, long operationID) {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                logAndPrint(Log.ERROR, mPw, "Proxy is null. Retry ! opID:"
+                        + operationID);
+                return;
+            }
+
+            PortRole newRole = new PortRole();
+            newRole.setDataRole((byte)newDataRole);
+            try {
+                mProxy.switchRole(portId, newRole, operationID);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw, "Failed to set the USB data role: portId=" + portId
+                        + ", newDataRole=" + UsbPort.dataRoleToString(newDataRole)
+                        + "opID:" + operationID, e);
+            }
+        }
+    }
+
+    @Override
+    public boolean enableUsbData(String portName, boolean enable, long operationID,
+            IUsbOperationInternal callback) {
+        Objects.requireNonNull(portName);
+        Objects.requireNonNull(callback);
+        long key = operationID;
+        synchronized (mLock) {
+            try {
+                if (mProxy == null) {
+                    logAndPrint(Log.ERROR, mPw,
+                            "enableUsbData: Proxy is null. Retry !opID:"
+                            + operationID);
+                    callback.onOperationComplete(USB_OPERATION_ERROR_INTERNAL);
+                    return false;
+                }
+                while (sCallbacks.get(key) != null) {
+                    key = ThreadLocalRandom.current().nextInt();
+                }
+                if (key != operationID) {
+                    logAndPrint(Log.INFO, mPw, "enableUsbData: operationID exists ! opID:"
+                            + operationID + " key:" + key);
+                }
+                try {
+                    sCallbacks.put(key, callback);
+                    mProxy.enableUsbData(portName, enable, key);
+                } catch (RemoteException e) {
+                    logAndPrintException(mPw,
+                            "enableUsbData: Failed to invoke enableUsbData: portID="
+                            + portName + "opID:" + operationID, e);
+                    callback.onOperationComplete(USB_OPERATION_ERROR_INTERNAL);
+                    sCallbacks.remove(key);
+                    return false;
+                }
+            } catch (RemoteException e) {
+                logAndPrintException(mPw,
+                        "enableUsbData: Failed to call onOperationComplete portID="
+                        + portName + "opID:" + operationID, e);
+                sCallbacks.remove(key);
+                return false;
+            }
+            return true;
+        }
+    }
+
+    @Override
+    public void enableLimitPowerTransfer(String portName, boolean limit, long operationID,
+            IUsbOperationInternal callback) {
+        Objects.requireNonNull(portName);
+        long key = operationID;
+        synchronized (mLock) {
+            try {
+                if (mProxy == null) {
+                    logAndPrint(Log.ERROR, mPw,
+                            "enableLimitPowerTransfer: Proxy is null. Retry !opID:"
+                            + operationID);
+                    callback.onOperationComplete(USB_OPERATION_ERROR_INTERNAL);
+                    return;
+                }
+                while (sCallbacks.get(key) != null) {
+                    key = ThreadLocalRandom.current().nextInt();
+                }
+                if (key != operationID) {
+                    logAndPrint(Log.INFO, mPw, "enableUsbData: operationID exists ! opID:"
+                            + operationID + " key:" + key);
+                }
+                try {
+                    sCallbacks.put(key, callback);
+                    mProxy.limitPowerTransfer(portName, limit, key);
+                } catch (RemoteException e) {
+                    logAndPrintException(mPw,
+                            "enableLimitPowerTransfer: Failed while invoking AIDL HAL"
+                            + " portID=" + portName + " opID:" + operationID, e);
+                    if (callback != null) {
+                        callback.onOperationComplete(USB_OPERATION_ERROR_INTERNAL);
+                    }
+                    sCallbacks.remove(key);
+                }
+            } catch (RemoteException e) {
+                logAndPrintException(mPw,
+                        "enableLimitPowerTransfer: Failed to call onOperationComplete portID="
+                        + portName + " opID:" + operationID, e);
+            }
+        }
+    }
+
+    private static class HALCallback extends IUsbCallback.Stub {
+        public IndentingPrintWriter mPw;
+        public UsbPortManager mPortManager;
+        public UsbPortAidl mUsbPortAidl;
+
+        HALCallback(IndentingPrintWriter pw, UsbPortManager portManager, UsbPortAidl usbPortAidl) {
+            this.mPw = pw;
+            this.mPortManager = portManager;
+            this.mUsbPortAidl = usbPortAidl;
+        }
+
+        /**
+         * Converts from AIDL defined mode constants to UsbPortStatus constants.
+         * AIDL does not gracefully support bitfield when combined with enums.
+         */
+        private int toPortMode(byte aidlPortMode) {
+            switch (aidlPortMode) {
+                case PortMode.NONE:
+                    return UsbPortStatus.MODE_NONE;
+                case PortMode.UFP:
+                    return UsbPortStatus.MODE_UFP;
+                case PortMode.DFP:
+                    return UsbPortStatus.MODE_DFP;
+                case PortMode.DRP:
+                    return UsbPortStatus.MODE_DUAL;
+                case PortMode.AUDIO_ACCESSORY:
+                    return UsbPortStatus.MODE_AUDIO_ACCESSORY;
+                case PortMode.DEBUG_ACCESSORY:
+                    return UsbPortStatus.MODE_DEBUG_ACCESSORY;
+                default:
+                    UsbPortManager.logAndPrint(Log.ERROR, mPw, "Unrecognized aidlPortMode:"
+                            + aidlPortMode);
+                    return UsbPortStatus.MODE_NONE;
+            }
+        }
+
+        private int toSupportedModes(byte[] aidlPortModes) {
+            int supportedModes = UsbPortStatus.MODE_NONE;
+
+            for (byte aidlPortMode : aidlPortModes) {
+                supportedModes |= toPortMode(aidlPortMode);
+            }
+
+            return supportedModes;
+        }
+
+        /**
+         * Converts from AIDL defined contaminant protection constants to UsbPortStatus constants.
+         * AIDL does not gracefully support bitfield when combined with enums.
+         * Common to both ContaminantProtectionMode and ContaminantProtectionStatus.
+         */
+        private int toContaminantProtectionStatus(byte aidlContaminantProtection) {
+            switch (aidlContaminantProtection) {
+                case ContaminantProtectionStatus.NONE:
+                    return UsbPortStatus.CONTAMINANT_PROTECTION_NONE;
+                case ContaminantProtectionStatus.FORCE_SINK:
+                    return UsbPortStatus.CONTAMINANT_PROTECTION_SINK;
+                case ContaminantProtectionStatus.FORCE_SOURCE:
+                    return UsbPortStatus.CONTAMINANT_PROTECTION_SOURCE;
+                case ContaminantProtectionStatus.FORCE_DISABLE:
+                    return UsbPortStatus.CONTAMINANT_PROTECTION_FORCE_DISABLE;
+                case ContaminantProtectionStatus.DISABLED:
+                    return UsbPortStatus.CONTAMINANT_PROTECTION_DISABLED;
+                default:
+                    UsbPortManager.logAndPrint(Log.ERROR, mPw,
+                            "Unrecognized aidlContaminantProtection:"
+                            + aidlContaminantProtection);
+                    return UsbPortStatus.CONTAMINANT_PROTECTION_NONE;
+            }
+        }
+
+        private int toSupportedContaminantProtectionModes(byte[] aidlModes) {
+            int supportedContaminantProtectionModes = UsbPortStatus.CONTAMINANT_PROTECTION_NONE;
+
+            for (byte aidlMode : aidlModes) {
+                supportedContaminantProtectionModes |= toContaminantProtectionStatus(aidlMode);
+            }
+
+            return supportedContaminantProtectionModes;
+        }
+
+        @Override
+        public void notifyPortStatusChange(
+               android.hardware.usb.PortStatus[] currentPortStatus, int retval) {
+            if (!mUsbPortAidl.mSystemReady) {
+                return;
+            }
+
+            if (retval != Status.SUCCESS) {
+                UsbPortManager.logAndPrint(Log.ERROR, mPw, "port status enquiry failed");
+                return;
+            }
+
+            ArrayList<RawPortInfo> newPortInfo = new ArrayList<>();
+
+            int numStatus = currentPortStatus.length;
+            for (int i = 0; i < numStatus; i++) {
+                PortStatus current = currentPortStatus[i];
+                RawPortInfo temp = new RawPortInfo(current.portName,
+                        toSupportedModes(current.supportedModes),
+                        toSupportedContaminantProtectionModes(current
+                                .supportedContaminantProtectionModes),
+                        toPortMode(current.currentMode),
+                        current.canChangeMode,
+                        current.currentPowerRole,
+                        current.canChangePowerRole,
+                        current.currentDataRole,
+                        current.canChangeDataRole,
+                        current.supportsEnableContaminantPresenceProtection,
+                        toContaminantProtectionStatus(current.contaminantProtectionStatus),
+                        current.supportsEnableContaminantPresenceDetection,
+                        current.contaminantDetectionStatus,
+                        current.usbDataEnabled,
+                        current.powerTransferLimited);
+                newPortInfo.add(temp);
+                UsbPortManager.logAndPrint(Log.INFO, mPw, "ClientCallback AIDL V1: "
+                        + current.portName);
+            }
+            mPortManager.updatePorts(newPortInfo);
+        }
+
+        @Override
+        public void notifyRoleSwitchStatus(String portName, PortRole role, int retval,
+                long operationID) {
+            if (retval == Status.SUCCESS) {
+                UsbPortManager.logAndPrint(Log.INFO, mPw, portName
+                        + " role switch successful. opID:"
+                        + operationID);
+            } else {
+                UsbPortManager.logAndPrint(Log.ERROR, mPw, portName + " role switch failed. err:"
+                        + retval
+                        + "opID:" + operationID);
+            }
+        }
+
+        @Override
+        public void notifyQueryPortStatus(String portName, int retval, long operationID) {
+            if (retval == Status.SUCCESS) {
+                UsbPortManager.logAndPrint(Log.INFO, mPw, portName + ": opID:"
+                        + operationID + " successful");
+            } else {
+                UsbPortManager.logAndPrint(Log.ERROR, mPw, portName + ": opID:"
+                        + operationID + " failed. err:" + retval);
+            }
+        }
+
+        @Override
+        public void notifyEnableUsbDataStatus(String portName, boolean enable, int retval,
+                long operationID) {
+            if (retval == Status.SUCCESS) {
+                UsbPortManager.logAndPrint(Log.INFO, mPw, "notifyEnableUsbDataStatus:"
+                        + portName + ": opID:"
+                        + operationID + " enable:" + enable);
+            } else {
+                UsbPortManager.logAndPrint(Log.ERROR, mPw, portName
+                        + "notifyEnableUsbDataStatus: opID:"
+                        + operationID + " failed. err:" + retval);
+            }
+            try {
+                sCallbacks.get(operationID).onOperationComplete(retval == Status.SUCCESS
+                        ? USB_OPERATION_SUCCESS
+                        : USB_OPERATION_ERROR_INTERNAL);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw,
+                        "notifyEnableUsbDataStatus: Failed to call onOperationComplete",
+                        e);
+            }
+        }
+
+        @Override
+        public void notifyContaminantEnabledStatus(String portName, boolean enable, int retval,
+                long operationID) {
+            if (retval == Status.SUCCESS) {
+                UsbPortManager.logAndPrint(Log.INFO, mPw, "notifyContaminantEnabledStatus:"
+                        + portName + ": opID:"
+                        + operationID + " enable:" + enable);
+            } else {
+                UsbPortManager.logAndPrint(Log.ERROR, mPw, portName
+                        + "notifyContaminantEnabledStatus: opID:"
+                        + operationID + " failed. err:" + retval);
+            }
+        }
+
+        @Override
+        public void notifyLimitPowerTransferStatus(String portName, boolean limit, int retval,
+                long operationID) {
+            if (retval == Status.SUCCESS) {
+                UsbPortManager.logAndPrint(Log.INFO, mPw, portName + ": opID:"
+                        + operationID + " successful");
+            } else {
+                UsbPortManager.logAndPrint(Log.ERROR, mPw, portName
+                        + "notifyLimitPowerTransferStatus: opID:"
+                        + operationID + " failed. err:" + retval);
+            }
+            try {
+                IUsbOperationInternal callback = sCallbacks.get(operationID);
+                if (callback != null) {
+                    sCallbacks.get(operationID).onOperationComplete(retval == Status.SUCCESS
+                            ? USB_OPERATION_SUCCESS
+                            : USB_OPERATION_ERROR_INTERNAL);
+                }
+            } catch (RemoteException e) {
+                logAndPrintException(mPw,
+                        "enableLimitPowerTransfer: Failed to call onOperationComplete",
+                        e);
+            }
+        }
+    }
+}
diff --git a/services/usb/java/com/android/server/usb/hal/port/UsbPortHal.java b/services/usb/java/com/android/server/usb/hal/port/UsbPortHal.java
new file mode 100644
index 0000000..90c8909
--- /dev/null
+++ b/services/usb/java/com/android/server/usb/hal/port/UsbPortHal.java
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.server.usb.hal.port;
+
+import android.annotation.IntDef;
+import android.hardware.usb.IUsbOperationInternal;
+import android.hardware.usb.UsbManager.UsbHalVersion;
+import android.os.RemoteException;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.String;
+
+/**
+ * @hide
+ */
+public interface UsbPortHal {
+    /**
+     * Power role: This USB port can act as a source (provide power).
+     * @hide
+     */
+    public static final int HAL_POWER_ROLE_SOURCE = 1;
+
+    /**
+     * Power role: This USB port can act as a sink (receive power).
+     * @hide
+     */
+    public static final int HAL_POWER_ROLE_SINK = 2;
+
+    @IntDef(prefix = { "HAL_POWER_ROLE_" }, value = {
+            HAL_POWER_ROLE_SOURCE,
+            HAL_POWER_ROLE_SINK
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    @interface HalUsbPowerRole{}
+
+    /**
+     * Data role: This USB port can act as a host (access data services).
+     * @hide
+     */
+    public static final int HAL_DATA_ROLE_HOST = 1;
+
+    /**
+     * Data role: This USB port can act as a device (offer data services).
+     * @hide
+     */
+    public static final int HAL_DATA_ROLE_DEVICE = 2;
+
+    @IntDef(prefix = { "HAL_DATA_ROLE_" }, value = {
+            HAL_DATA_ROLE_HOST,
+            HAL_DATA_ROLE_DEVICE
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    @interface HalUsbDataRole{}
+
+    /**
+     * This USB port can act as a downstream facing port (host).
+     *
+     * @hide
+     */
+    public static final int HAL_MODE_DFP = 1;
+
+    /**
+     * This USB port can act as an upstream facing port (device).
+     *
+     * @hide
+     */
+    public static final int HAL_MODE_UFP = 2;
+    @IntDef(prefix = { "HAL_MODE_" }, value = {
+            HAL_MODE_DFP,
+            HAL_MODE_UFP,
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    @interface HalUsbPortMode{}
+
+    /**
+     * UsbPortManager would call this when the system is done booting.
+     */
+    public void systemReady();
+
+    /**
+     * Invoked to enable/disable contaminant presence detection on the USB port.
+     *
+     * @param portName Port Identifier.
+     * @param enable Enable contaminant presence detection when true.
+     *               Disable when false.
+     * @param transactionId Used for tracking the current request and is passed down to the HAL
+     *                      implementation as needed.
+     */
+    public void enableContaminantPresenceDetection(String portName, boolean enable,
+            long transactionId);
+
+    /**
+     * Invoked to query port status of all the ports.
+     *
+     * @param transactionId Used for tracking the current request and is passed down to the HAL
+     *                      implementation as needed.
+     */
+    public void queryPortStatus(long transactionId);
+
+    /**
+     * Invoked to switch USB port mode.
+     *
+     * @param portName Port Identifier.
+     * @param mode New mode that the port is switching into.
+     * @param transactionId Used for tracking the current request and is passed down to the HAL
+     *                      implementation as needed.
+     */
+    public void switchMode(String portName, @HalUsbPortMode int mode, long transactionId);
+
+    /**
+     * Invoked to switch USB port power role.
+     *
+     * @param portName Port Identifier.
+     * @param powerRole New power role that the port is switching into.
+     * @param transactionId Used for tracking the current request and is passed down to the HAL
+     *                      implementation as needed.
+     */
+    public void switchPowerRole(String portName, @HalUsbPowerRole int powerRole,
+            long transactionId);
+
+    /**
+     * Invoked to switch USB port data role.
+     *
+     * @param portName Port Identifier.
+     * @param dataRole New data role that the port is switching into.
+     * @param transactionId Used for tracking the current request and is passed down to the HAL
+     *                      implementation as needed.
+     */
+    public void switchDataRole(String portName, @HalUsbDataRole int dataRole, long transactionId);
+
+    /**
+     * Invoked to query the version of current hal implementation.
+     */
+    public @UsbHalVersion int getUsbHalVersion() throws RemoteException;
+
+    /**
+     * Invoked to enable/disable UsbData on the specified port.
+     *
+     * @param portName Port Identifier.
+     * @param enable Enable USB data when true.
+     *               Disable when false.
+     * @param transactionId Used for tracking the current request and is passed down to the HAL
+     *                      implementation as needed.
+     * @param callback callback object to be invoked to invoke the status of the operation upon
+     *                 completion.
+     * @param callback callback object to be invoked when the operation is complete.
+     * @return True when the operation is asynchronous. The caller of
+     *         {@link UsbOperationCallbackInternal} must therefore call
+     *         {@link UsbOperationCallbackInternal#waitForOperationComplete} for processing
+     *         the result.
+     *         False when the operation is synchronous. Caller can proceed reading the result
+     *         through {@link UsbOperationCallbackInternal#getStatus}
+     */
+    public boolean enableUsbData(String portName, boolean enable, long transactionId,
+            IUsbOperationInternal callback);
+
+    /**
+     * Invoked to enableLimitPowerTransfer on the specified port.
+     *
+     * @param portName Port Identifier.
+     * @param limit limit power transfer when true. Port wouldn't charge or power USB accessoried
+     *              when set.
+     *              Lift power transfer restrictions when false.
+     * @param transactionId Used for tracking the current request and is passed down to the HAL
+     *                      implementation as needed.
+     * @param callback callback object to be invoked to invoke the status of the operation upon
+     *                 completion.
+     */
+    public void enableLimitPowerTransfer(String portName, boolean limit, long transactionId,
+            IUsbOperationInternal callback);
+}
diff --git a/services/usb/java/com/android/server/usb/hal/port/UsbPortHalInstance.java b/services/usb/java/com/android/server/usb/hal/port/UsbPortHalInstance.java
new file mode 100644
index 0000000..41f9fae
--- /dev/null
+++ b/services/usb/java/com/android/server/usb/hal/port/UsbPortHalInstance.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.server.usb.hal.port;
+
+import static com.android.server.usb.UsbPortManager.logAndPrint;
+
+import com.android.internal.util.IndentingPrintWriter;
+import com.android.server.usb.hal.port.UsbPortHidl;
+import com.android.server.usb.hal.port.UsbPortAidl;
+import com.android.server.usb.UsbPortManager;
+
+import android.util.Log;
+/**
+ * Helper class that queries the underlying hal layer to populate UsbPortHal instance.
+ */
+public final class UsbPortHalInstance {
+
+    public static UsbPortHal getInstance(UsbPortManager portManager, IndentingPrintWriter pw) {
+
+        logAndPrint(Log.DEBUG, null, "Querying USB HAL version");
+        if (UsbPortHidl.isServicePresent(null)) {
+            logAndPrint(Log.INFO, null, "USB HAL HIDL present");
+            return new UsbPortHidl(portManager, pw);
+        }
+        if (UsbPortAidl.isServicePresent(null)) {
+            logAndPrint(Log.INFO, null, "USB HAL AIDL present");
+            return new UsbPortAidl(portManager, pw);
+        }
+
+        return null;
+    }
+}
diff --git a/services/usb/java/com/android/server/usb/hal/port/UsbPortHidl.java b/services/usb/java/com/android/server/usb/hal/port/UsbPortHidl.java
new file mode 100644
index 0000000..8a0370a
--- /dev/null
+++ b/services/usb/java/com/android/server/usb/hal/port/UsbPortHidl.java
@@ -0,0 +1,485 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.server.usb.hal.port;
+
+import static android.hardware.usb.UsbManager.USB_HAL_NOT_SUPPORTED;
+import static android.hardware.usb.UsbManager.USB_HAL_V1_0;
+import static android.hardware.usb.UsbManager.USB_HAL_V1_1;
+import static android.hardware.usb.UsbManager.USB_HAL_V1_2;
+import static android.hardware.usb.UsbManager.USB_HAL_V1_3;
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_ERROR_INTERNAL;
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_ERROR_NOT_SUPPORTED;
+import static android.hardware.usb.UsbOperationInternal.USB_OPERATION_SUCCESS;
+import static android.hardware.usb.UsbPortStatus.CONTAMINANT_DETECTION_NOT_SUPPORTED;
+import static android.hardware.usb.UsbPortStatus.CONTAMINANT_PROTECTION_NONE;
+import static android.hardware.usb.UsbPortStatus.DATA_ROLE_DEVICE;
+import static android.hardware.usb.UsbPortStatus.DATA_ROLE_HOST;
+import static android.hardware.usb.UsbPortStatus.MODE_DFP;
+import static android.hardware.usb.UsbPortStatus.MODE_DUAL;
+import static android.hardware.usb.UsbPortStatus.MODE_UFP;
+import static android.hardware.usb.UsbPortStatus.POWER_ROLE_SINK;
+import static android.hardware.usb.UsbPortStatus.POWER_ROLE_SOURCE;
+
+import static com.android.server.usb.UsbPortManager.logAndPrint;
+import static com.android.server.usb.UsbPortManager.logAndPrintException;
+
+import android.annotation.Nullable;
+import android.hardware.usb.IUsbOperationInternal;
+import android.hardware.usb.UsbManager.UsbHalVersion;
+import android.hardware.usb.UsbPort;
+import android.hardware.usb.V1_0.IUsb;
+import android.hardware.usb.V1_0.PortRoleType;
+import android.hardware.usb.V1_0.Status;
+import android.hardware.usb.V1_1.PortStatus_1_1;
+import android.hardware.usb.V1_2.IUsbCallback;
+import android.hardware.usb.V1_0.PortRole;
+import android.hardware.usb.V1_2.PortStatus;
+import android.hidl.manager.V1_0.IServiceManager;
+import android.hidl.manager.V1_0.IServiceNotification;
+import android.os.IHwBinder;
+import android.os.RemoteException;
+import android.util.Log;
+import android.util.Slog;
+
+import com.android.internal.annotations.GuardedBy;
+import com.android.internal.util.IndentingPrintWriter;
+import com.android.server.usb.UsbPortManager;
+import com.android.server.usb.hal.port.RawPortInfo;
+
+import java.util.ArrayList;
+import java.util.NoSuchElementException;
+import java.util.Objects;
+/**
+ *
+ */
+public final class UsbPortHidl implements UsbPortHal {
+    private static final String TAG = UsbPortHidl.class.getSimpleName();
+    // Cookie sent for usb hal death notification.
+    private static final int USB_HAL_DEATH_COOKIE = 1000;
+    // Proxy object for the usb hal daemon.
+    @GuardedBy("mLock")
+    private IUsb mProxy;
+    private UsbPortManager mPortManager;
+    public IndentingPrintWriter mPw;
+    // Mutex for all mutable shared state.
+    private final Object mLock = new Object();
+    // Callback when the UsbPort status is changed by the kernel.
+    private HALCallback mHALCallback;
+    private boolean mSystemReady;
+    // Workaround since HIDL HAL versions report UsbDataEnabled status in UsbPortStatus;
+    private static boolean sUsbDataEnabled = true;
+
+    public @UsbHalVersion int getUsbHalVersion() throws RemoteException {
+        int version;
+        synchronized(mLock) {
+            if (mProxy == null) {
+                throw new RemoteException("IUsb not initialized yet");
+            }
+            if (android.hardware.usb.V1_3.IUsb.castFrom(mProxy) != null) {
+                version = USB_HAL_V1_3;
+            } else if (android.hardware.usb.V1_2.IUsb.castFrom(mProxy) != null) {
+                version = USB_HAL_V1_2;
+            } else if (android.hardware.usb.V1_1.IUsb.castFrom(mProxy) != null) {
+                version = USB_HAL_V1_1;
+            } else {
+                version = USB_HAL_V1_0;
+            }
+            logAndPrint(Log.INFO, null, "USB HAL HIDL version: " + version);
+            return version;
+        }
+    }
+
+    final class DeathRecipient implements IHwBinder.DeathRecipient {
+        public IndentingPrintWriter pw;
+
+        DeathRecipient(IndentingPrintWriter pw) {
+            this.pw = pw;
+        }
+
+        @Override
+        public void serviceDied(long cookie) {
+            if (cookie == USB_HAL_DEATH_COOKIE) {
+                logAndPrint(Log.ERROR, pw, "Usb hal service died cookie: " + cookie);
+                synchronized (mLock) {
+                    mProxy = null;
+                }
+            }
+        }
+    }
+
+    final class ServiceNotification extends IServiceNotification.Stub {
+        @Override
+        public void onRegistration(String fqName, String name, boolean preexisting) {
+            logAndPrint(Log.INFO, null, "Usb hal service started " + fqName + " " + name);
+            connectToProxy(null);
+        }
+    }
+
+    private void connectToProxy(IndentingPrintWriter pw) {
+        synchronized (mLock) {
+            if (mProxy != null) {
+                return;
+            }
+
+            try {
+                mProxy = IUsb.getService();
+                mProxy.linkToDeath(new DeathRecipient(pw), USB_HAL_DEATH_COOKIE);
+                mProxy.setCallback(mHALCallback);
+                mProxy.queryPortStatus();
+                //updateUsbHalVersion();
+            } catch (NoSuchElementException e) {
+                logAndPrintException(pw, "connectToProxy: usb hal service not found."
+                        + " Did the service fail to start?", e);
+            } catch (RemoteException e) {
+                logAndPrintException(pw, "connectToProxy: usb hal service not responding", e);
+            }
+        }
+    }
+
+    @Override
+    public void systemReady() {
+        mSystemReady = true;
+    }
+
+    static boolean isServicePresent(IndentingPrintWriter pw) {
+        try {
+            IUsb.getService(true);
+        } catch (NoSuchElementException e) {
+            logAndPrintException(pw, "connectToProxy: usb hidl hal service not found.", e);
+            return false;
+        } catch (RemoteException e) {
+            logAndPrintException(pw, "IUSB hal service present but failed to get service", e);
+        }
+
+        return true;
+    }
+
+    public UsbPortHidl(UsbPortManager portManager, IndentingPrintWriter pw) {
+        mPortManager = Objects.requireNonNull(portManager);
+        mPw = pw;
+        mHALCallback = new HALCallback(null, mPortManager, this);
+        try {
+            ServiceNotification serviceNotification = new ServiceNotification();
+
+            boolean ret = IServiceManager.getService()
+                    .registerForNotifications("android.hardware.usb@1.0::IUsb",
+                            "", serviceNotification);
+            if (!ret) {
+                logAndPrint(Log.ERROR, null,
+                        "Failed to register service start notification");
+            }
+        } catch (RemoteException e) {
+            logAndPrintException(null,
+                    "Failed to register service start notification", e);
+            return;
+        }
+        connectToProxy(mPw);
+    }
+
+    @Override
+    public void enableContaminantPresenceDetection(String portName, boolean enable,
+            long transactionId) {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                logAndPrint(Log.ERROR, mPw, "Proxy is null. Retry !");
+                return;
+            }
+
+            try {
+                // Oneway call into the hal. Use the castFrom method from HIDL.
+                android.hardware.usb.V1_2.IUsb proxy =
+                        android.hardware.usb.V1_2.IUsb.castFrom(mProxy);
+                proxy.enableContaminantPresenceDetection(portName, enable);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw, "Failed to set contaminant detection", e);
+            } catch (ClassCastException e)  {
+                logAndPrintException(mPw, "Method only applicable to V1.2 or above implementation",
+                    e);
+            }
+        }
+    }
+
+    @Override
+    public void queryPortStatus(long transactionId) {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                logAndPrint(Log.ERROR, mPw, "Proxy is null. Retry !");
+                return;
+            }
+
+            try {
+                mProxy.queryPortStatus();
+            } catch (RemoteException e) {
+                logAndPrintException(null, "ServiceStart: Failed to query port status", e);
+            }
+       }
+    }
+
+    @Override
+    public void switchMode(String portId, @HalUsbPortMode int newMode, long transactionId) {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                logAndPrint(Log.ERROR, mPw, "Proxy is null. Retry !");
+                return;
+            }
+
+            PortRole newRole = new PortRole();
+            newRole.type = PortRoleType.MODE;
+            newRole.role = newMode;
+            try {
+                mProxy.switchRole(portId, newRole);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw, "Failed to set the USB port mode: "
+                    + "portId=" + portId
+                    + ", newMode=" + UsbPort.modeToString(newRole.role), e);
+            }
+        }
+    }
+
+    @Override
+    public void switchPowerRole(String portId, @HalUsbPowerRole int newPowerRole,
+            long transactionId) {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                logAndPrint(Log.ERROR, mPw, "Proxy is null. Retry !");
+                return;
+            }
+
+            PortRole newRole = new PortRole();
+            newRole.type = PortRoleType.POWER_ROLE;
+            newRole.role = newPowerRole;
+            try {
+                mProxy.switchRole(portId, newRole);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw, "Failed to set the USB power role: portId=" + portId
+                    + ", newPowerRole=" + UsbPort.powerRoleToString(newRole.role), e);
+            }
+        }
+    }
+
+    @Override
+    public void enableLimitPowerTransfer(String portName, boolean limit, long transactionId,
+            IUsbOperationInternal callback) {
+        /* Not supported in HIDL hals*/
+        try {
+            callback.onOperationComplete(USB_OPERATION_ERROR_NOT_SUPPORTED);
+        } catch (RemoteException e) {
+            logAndPrintException(mPw, "Failed to call onOperationComplete", e);
+        }
+    }
+
+    @Override
+    public void switchDataRole(String portId, @HalUsbDataRole int newDataRole, long transactionId) {
+        synchronized (mLock) {
+            if (mProxy == null) {
+                logAndPrint(Log.ERROR, mPw, "Proxy is null. Retry !");
+                return;
+            }
+
+            PortRole newRole = new PortRole();
+            newRole.type = PortRoleType.DATA_ROLE;
+            newRole.role = newDataRole;
+            try {
+                mProxy.switchRole(portId, newRole);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw, "Failed to set the USB data role: portId=" + portId
+                    + ", newDataRole=" + UsbPort.dataRoleToString(newRole.role), e);
+            }
+        }
+    }
+
+    @Override
+    public boolean enableUsbData(String portName, boolean enable, long transactionId,
+            IUsbOperationInternal callback) {
+        int halVersion;
+
+        try {
+            halVersion = getUsbHalVersion();
+        } catch (RemoteException e) {
+            logAndPrintException(mPw, "Failed to query USB HAL version. opID:"
+                    + transactionId
+                    + " portId:" + portName, e);
+            return false;
+        }
+
+        if (halVersion != USB_HAL_V1_3) {
+            try {
+                callback.onOperationComplete(USB_OPERATION_ERROR_NOT_SUPPORTED);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw, "Failed to call onOperationComplete. opID:"
+                        + transactionId
+                        + " portId:" + portName, e);
+            }
+            return false;
+        }
+
+        boolean success;
+        synchronized(mLock) {
+            try {
+                android.hardware.usb.V1_3.IUsb proxy
+                        = android.hardware.usb.V1_3.IUsb.castFrom(mProxy);
+                success = proxy.enableUsbDataSignal(enable);
+            } catch (RemoteException e) {
+                logAndPrintException(mPw, "Failed enableUsbData: opId:" + transactionId
+                        + " portId=" + portName , e);
+                try {
+                    callback.onOperationComplete(USB_OPERATION_ERROR_INTERNAL);
+                } catch (RemoteException r) {
+                    logAndPrintException(mPw, "Failed to call onOperationComplete. opID:"
+                            + transactionId
+                            + " portId:" + portName, r);
+                }
+                return false;
+            }
+        }
+        if (success) {
+            sUsbDataEnabled = enable;
+        }
+
+        try {
+            callback.onOperationComplete(success
+                    ? USB_OPERATION_SUCCESS
+                    : USB_OPERATION_ERROR_INTERNAL);
+        } catch (RemoteException r) {
+            logAndPrintException(mPw, "Failed to call onOperationComplete. opID:"
+                + transactionId
+                + " portId:" + portName, r);
+        }
+        return false;
+    }
+
+    private static class HALCallback extends IUsbCallback.Stub {
+        public IndentingPrintWriter mPw;
+        public UsbPortManager mPortManager;
+        public UsbPortHidl mUsbPortHidl;
+
+        HALCallback(IndentingPrintWriter pw, UsbPortManager portManager, UsbPortHidl usbPortHidl) {
+            this.mPw = pw;
+            this.mPortManager = portManager;
+            this.mUsbPortHidl = usbPortHidl;
+        }
+
+        public void notifyPortStatusChange(
+                ArrayList<android.hardware.usb.V1_0.PortStatus> currentPortStatus, int retval) {
+            if (!mUsbPortHidl.mSystemReady) {
+                return;
+            }
+
+            if (retval != Status.SUCCESS) {
+                UsbPortManager.logAndPrint(Log.ERROR, mPw, "port status enquiry failed");
+                return;
+            }
+
+            ArrayList<RawPortInfo> newPortInfo = new ArrayList<>();
+
+            for (android.hardware.usb.V1_0.PortStatus current : currentPortStatus) {
+                RawPortInfo temp = new RawPortInfo(current.portName,
+                        current.supportedModes, CONTAMINANT_PROTECTION_NONE,
+                        current.currentMode,
+                        current.canChangeMode, current.currentPowerRole,
+                        current.canChangePowerRole,
+                        current.currentDataRole, current.canChangeDataRole,
+                        false, CONTAMINANT_PROTECTION_NONE,
+                        false, CONTAMINANT_DETECTION_NOT_SUPPORTED, sUsbDataEnabled,
+                        false);
+                newPortInfo.add(temp);
+                UsbPortManager.logAndPrint(Log.INFO, mPw, "ClientCallback V1_0: "
+                        + current.portName);
+            }
+
+            mPortManager.updatePorts(newPortInfo);
+        }
+
+
+        public void notifyPortStatusChange_1_1(ArrayList<PortStatus_1_1> currentPortStatus,
+                int retval) {
+            if (!mUsbPortHidl.mSystemReady) {
+                return;
+            }
+
+            if (retval != Status.SUCCESS) {
+                UsbPortManager.logAndPrint(Log.ERROR, mPw, "port status enquiry failed");
+                return;
+            }
+
+            ArrayList<RawPortInfo> newPortInfo = new ArrayList<>();
+
+            int numStatus = currentPortStatus.size();
+            for (int i = 0; i < numStatus; i++) {
+                PortStatus_1_1 current = currentPortStatus.get(i);
+                RawPortInfo temp = new RawPortInfo(current.status.portName,
+                        current.supportedModes, CONTAMINANT_PROTECTION_NONE,
+                        current.currentMode,
+                        current.status.canChangeMode, current.status.currentPowerRole,
+                        current.status.canChangePowerRole,
+                        current.status.currentDataRole, current.status.canChangeDataRole,
+                        false, CONTAMINANT_PROTECTION_NONE,
+                        false, CONTAMINANT_DETECTION_NOT_SUPPORTED, sUsbDataEnabled,
+                        false);
+                newPortInfo.add(temp);
+                UsbPortManager.logAndPrint(Log.INFO, mPw, "ClientCallback V1_1: "
+                        + current.status.portName);
+            }
+            mPortManager.updatePorts(newPortInfo);
+        }
+
+        public void notifyPortStatusChange_1_2(
+                ArrayList<PortStatus> currentPortStatus, int retval) {
+            if (!mUsbPortHidl.mSystemReady) {
+                return;
+            }
+
+            if (retval != Status.SUCCESS) {
+                UsbPortManager.logAndPrint(Log.ERROR, mPw, "port status enquiry failed");
+                return;
+            }
+
+            ArrayList<RawPortInfo> newPortInfo = new ArrayList<>();
+
+            int numStatus = currentPortStatus.size();
+            for (int i = 0; i < numStatus; i++) {
+                PortStatus current = currentPortStatus.get(i);
+                RawPortInfo temp = new RawPortInfo(current.status_1_1.status.portName,
+                        current.status_1_1.supportedModes,
+                        current.supportedContaminantProtectionModes,
+                        current.status_1_1.currentMode,
+                        current.status_1_1.status.canChangeMode,
+                        current.status_1_1.status.currentPowerRole,
+                        current.status_1_1.status.canChangePowerRole,
+                        current.status_1_1.status.currentDataRole,
+                        current.status_1_1.status.canChangeDataRole,
+                        current.supportsEnableContaminantPresenceProtection,
+                        current.contaminantProtectionStatus,
+                        current.supportsEnableContaminantPresenceDetection,
+                        current.contaminantDetectionStatus,
+                        sUsbDataEnabled,
+                        false);
+                newPortInfo.add(temp);
+                UsbPortManager.logAndPrint(Log.INFO, mPw, "ClientCallback V1_2: "
+                        + current.status_1_1.status.portName);
+            }
+            mPortManager.updatePorts(newPortInfo);
+        }
+
+        public void notifyRoleSwitchStatus(String portName, PortRole role, int retval) {
+            if (retval == Status.SUCCESS) {
+                UsbPortManager.logAndPrint(Log.INFO, mPw, portName + " role switch successful");
+            } else {
+                UsbPortManager.logAndPrint(Log.ERROR, mPw, portName + " role switch failed");
+            }
+        }
+    }
+}
diff --git a/services/wallpapereffectsgeneration/OWNERS b/services/wallpapereffectsgeneration/OWNERS
new file mode 100644
index 0000000..d2d3e2c0
--- /dev/null
+++ b/services/wallpapereffectsgeneration/OWNERS
@@ -0,0 +1,4 @@
+susharon@google.com
+shanh@google.com
+huiwu@google.com
+srazdan@google.com
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index e1be973..d5c846d 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -175,7 +175,10 @@
     /**
      * This flag specifies whether VoLTE availability is based on provisioning. By default this is
      * false.
+     * Used for UCE to determine if EAB provisioning checks should be based on provisioning.
+     * @deprecated Use {@link Ims#KEY_MMTEL_REQUIRES_PROVISIONING_BUNDLE} instead.
      */
+    @Deprecated
     public static final String
             KEY_CARRIER_VOLTE_PROVISIONED_BOOL = "carrier_volte_provisioned_bool";
 
@@ -879,7 +882,12 @@
     /**
      * Flag specifying whether provisioning is required for VoLTE, Video Telephony, and WiFi
      * Calling.
+
+     * Combines VoLTE, VT, VoWiFI calling provisioning into one parameter.
+     * @deprecated Use {@link Ims#KEY_MMTEL_REQUIRES_PROVISIONING_BUNDLE} instead for
+     * finer-grained control.
      */
+    @Deprecated
     public static final String KEY_CARRIER_VOLTE_PROVISIONING_REQUIRED_BOOL
             = "carrier_volte_provisioning_required_bool";
 
@@ -893,7 +901,11 @@
      * and enable the UT over IMS capability for the subscription when the subscription is loaded.
      *
      * The default value for this key is {@code false}.
+     *
+     * @deprecated Use {@link Ims#KEY_MMTEL_REQUIRES_PROVISIONING_BUNDLE} instead for
+     * determining if UT requires provisioning.
      */
+    @Deprecated
     public static final String KEY_CARRIER_UT_PROVISIONING_REQUIRED_BOOL =
             "carrier_ut_provisioning_required_bool";
 
@@ -5173,6 +5185,95 @@
         /**  E911 RTP inactivity occurred when call is connected. */
         public static final int E911_RTP_INACTIVITY_ON_CONNECTED = 4;
 
+        /**
+         * A bundle which specifies the MMTEL capability and registration technology
+         * that requires provisioning. If a tuple is not present, the
+         * framework will not require that the tuple requires provisioning before
+         * enabling the capability.
+         * <p> Possible keys in this bundle are
+         * <ul>
+         *     <li>{@link #KEY_CAPABILITY_TYPE_VOICE_INT_ARRAY}</li>
+         *     <li>{@link #KEY_CAPABILITY_TYPE_VIDEO_INT_ARRAY}</li>
+         *     <li>{@link #KEY_CAPABILITY_TYPE_UT_INT_ARRAY}</li>
+         *     <li>{@link #KEY_CAPABILITY_TYPE_SMS_INT_ARRAY}</li>
+         *     <li>{@link #KEY_CAPABILITY_CALL_COMPOSER_INT_ARRAY}</li>
+         * </ul>
+         * <p> The values are defined in
+         * {@link android.telephony.ims.stub.ImsRegistrationImplBase.ImsRegistrationTech}
+         */
+        public static final String KEY_MMTEL_REQUIRES_PROVISIONING_BUNDLE =
+                KEY_PREFIX + "mmtel_requires_provisioning_bundle";
+
+        /**
+         * This MmTelFeature supports Voice calling (IR.92)
+         * @see MmTelFeature.MmTelCapabilities#CAPABILITY_TYPE_VOICE
+         */
+        public static final String KEY_CAPABILITY_TYPE_VOICE_INT_ARRAY =
+                KEY_PREFIX + "key_capability_type_voice_int_array";
+
+        /**
+         * This MmTelFeature supports Video (IR.94)
+         * @see MmTelFeature.MmTelCapabilities#CAPABILITY_TYPE_VIDEO
+         */
+        public static final String KEY_CAPABILITY_TYPE_VIDEO_INT_ARRAY =
+                KEY_PREFIX + "key_capability_type_video_int_array";
+
+        /**
+         * This MmTelFeature supports XCAP over Ut for supplementary services. (IR.92)
+         * @see MmTelFeature.MmTelCapabilities#CAPABILITY_TYPE_UT
+         */
+        public static final String KEY_CAPABILITY_TYPE_UT_INT_ARRAY =
+                KEY_PREFIX + "key_capability_type_ut_int_array";
+
+        /**
+         * This MmTelFeature supports SMS (IR.92)
+         * @see MmTelFeature.MmTelCapabilities#CAPABILITY_TYPE_SMS
+         */
+        public static final String KEY_CAPABILITY_TYPE_SMS_INT_ARRAY =
+                KEY_PREFIX + "key_capability_type_sms_int_array";
+
+        /**
+         * This MmTelFeature supports Call Composer (section 2.4 of RCC.20)
+         * @see MmTelFeature.MmTelCapabilities#CAPABILITY_TYPE_CALL_COMPOSER
+         */
+        public static final String KEY_CAPABILITY_CALL_COMPOSER_INT_ARRAY =
+                KEY_PREFIX + "key_capability_type_call_composer_int_array";
+
+        /**
+         * A bundle which specifies the RCS capability and registration technology
+         * that requires provisioning. If a tuple is not present, the
+         * framework will not require that the tuple requires provisioning before
+         * enabling the capability.
+         * <p> Possible keys in this bundle are
+         * <ul>
+         *     <li>{@link #KEY_CAPABILITY_TYPE_OPTIONS_UCE_INT_ARRAY}</li>
+         *     <li>{@link #KEY_CAPABILITY_TYPE_PRESENCE_UCE_INT_ARRAY}</li>
+         * </ul>
+         * <p> The values are defined in
+         * {@link android.telephony.ims.stub.ImsRegistrationImplBase.ImsRegistrationTech}
+         */
+        public static final String KEY_RCS_REQUIRES_PROVISIONING_BUNDLE =
+                KEY_PREFIX + "rcs_requires_provisioning_bundle";
+
+        /**
+         * This carrier supports User Capability Exchange using SIP OPTIONS as defined by the
+         * framework. If set, the RcsFeature should support capability exchange using SIP OPTIONS.
+         * If not set, this RcsFeature should not service capability requests.
+         * @see RcsFeature.RcsImsCapabilities#CAPABILITY_TYPE_OPTIONS_UCE
+         */
+        public static final String KEY_CAPABILITY_TYPE_OPTIONS_UCE_INT_ARRAY =
+                KEY_PREFIX + "key_capability_type_options_uce_int_array";
+
+        /**
+         * This carrier supports User Capability Exchange using a presence server as defined by the
+         * framework. If set, the RcsFeature should support capability exchange using a presence
+         * server. If not set, this RcsFeature should not publish capabilities or service capability
+         * requests using presence.
+         * @see RcsFeature.RcsImsCapabilities#CAPABILITY_TYPE_PRESENCE_UCE
+         */
+        public static final String KEY_CAPABILITY_TYPE_PRESENCE_UCE_INT_ARRAY =
+                KEY_PREFIX + "key_capability_type_presence_uce_int_array";
+
         private Ims() {}
 
         private static PersistableBundle getDefaults() {
@@ -5209,6 +5310,20 @@
                     "+g.gsma.rcs.botversion=\"#=1,#=2\"",
                     "+g.gsma.rcs.cpimext"});
 
+            /**
+             * @see #KEY_MMTEL_REQUIRES_PROVISIONING_BUNDLE
+             */
+            PersistableBundle mmtel_requires_provisioning_int_array = new PersistableBundle();
+            defaults.putPersistableBundle(
+                    KEY_MMTEL_REQUIRES_PROVISIONING_BUNDLE, mmtel_requires_provisioning_int_array);
+
+            /**
+             * @see #KEY_RCS_REQUIRES_PROVISIONING_BUNDLE
+             */
+            PersistableBundle rcs_requires_provisioning_int_array = new PersistableBundle();
+            defaults.putPersistableBundle(
+                    KEY_RCS_REQUIRES_PROVISIONING_BUNDLE, rcs_requires_provisioning_int_array);
+
             defaults.putBoolean(KEY_GRUU_ENABLED_BOOL, true);
             defaults.putBoolean(KEY_SIP_OVER_IPSEC_ENABLED_BOOL, true);
             defaults.putBoolean(KEY_KEEP_PDN_UP_IN_NO_VOPS_BOOL, false);
@@ -7572,6 +7687,10 @@
         /** Specifies the PCO id for IPv4 Epdg server address */
         public static final String KEY_EPDG_PCO_ID_IPV4_INT = KEY_PREFIX + "epdg_pco_id_ipv4_int";
 
+        /** Controls if the IKE tunnel setup supports EAP-AKA fast reauth */
+        public static final String KEY_SUPPORTS_EAP_AKA_FAST_REAUTH_BOOL =
+                KEY_PREFIX + "supports_eap_aka_fast_reauth_bool";
+
         /** @hide */
         @IntDef({AUTHENTICATION_METHOD_EAP_ONLY, AUTHENTICATION_METHOD_CERT})
         public @interface AuthenticationMethodType {}
@@ -7718,6 +7837,7 @@
             defaults.putBoolean(KEY_ADD_KE_TO_CHILD_SESSION_REKEY_BOOL, false);
             defaults.putInt(KEY_EPDG_PCO_ID_IPV6_INT, 0);
             defaults.putInt(KEY_EPDG_PCO_ID_IPV4_INT, 0);
+            defaults.putBoolean(KEY_SUPPORTS_EAP_AKA_FAST_REAUTH_BOOL, false);
 
             return defaults;
         }
diff --git a/telephony/java/android/telephony/ImsManager.java b/telephony/java/android/telephony/ImsManager.java
index 2758e12..b0ff949 100644
--- a/telephony/java/android/telephony/ImsManager.java
+++ b/telephony/java/android/telephony/ImsManager.java
@@ -163,6 +163,26 @@
         return new SipDelegateManager(mContext, subscriptionId, sRcsCache, sTelephonyCache);
     }
 
+
+    /**
+     * Create an instance of {@link ProvisioningManager} for the subscription id specified.
+     * <p>
+     * Provides a ProvisioningManager instance to carrier apps to update carrier provisioning
+     * information, as well as provides a callback so that apps can listen for changes
+     * in MMTEL/RCS provisioning
+     * @param subscriptionId The ID of the subscription that this ProvisioningManager will use.
+     * @throws IllegalArgumentException if the subscription is invalid.
+     * @return a ProvisioningManager instance with the specific subscription ID.
+     */
+    @NonNull
+    public ProvisioningManager getProvisioningManager(int subscriptionId) {
+        if (!SubscriptionManager.isValidSubscriptionId(subscriptionId)) {
+            throw new IllegalArgumentException("Invalid subscription ID: " + subscriptionId);
+        }
+
+        return new ProvisioningManager(subscriptionId);
+    }
+
     private static IImsRcsController getIImsRcsControllerInterface() {
         return IImsRcsController.Stub.asInterface(
                 TelephonyFrameworkInitializer
diff --git a/telephony/java/android/telephony/ims/ProvisioningManager.java b/telephony/java/android/telephony/ims/ProvisioningManager.java
index dbf4c99..677c1a9 100644
--- a/telephony/java/android/telephony/ims/ProvisioningManager.java
+++ b/telephony/java/android/telephony/ims/ProvisioningManager.java
@@ -34,6 +34,7 @@
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyFrameworkInitializer;
 import android.telephony.TelephonyManager;
+import android.telephony.ims.aidl.IFeatureProvisioningCallback;
 import android.telephony.ims.aidl.IImsConfigCallback;
 import android.telephony.ims.aidl.IRcsConfigCallback;
 import android.telephony.ims.feature.MmTelFeature;
@@ -54,18 +55,12 @@
  * IMS provisioning keys are defined per carrier or OEM using OMA-DM or other provisioning
  * applications and may vary. It is up to the carrier and OEM applications to ensure that the
  * correct provisioning keys are being used when integrating with a vendor's ImsService.
- *
- * Note: For compatibility purposes, the integer values [0 - 99] used in
- * {@link #setProvisioningIntValue(int, int)} have been reserved for existing provisioning keys
- * previously defined in the Android framework. Please do not redefine new provisioning keys in this
- * range or it may generate collisions with existing keys. Some common constants have also been
- * defined in this class to make integrating with other system apps easier.
- * @hide
  */
-@SystemApi
 @RequiresFeature(PackageManager.FEATURE_TELEPHONY_IMS)
 public class ProvisioningManager {
 
+    private static final String TAG = "ProvisioningManager";
+
     /**@hide*/
     @StringDef(prefix = "STRING_QUERY_RESULT_ERROR_", value = {
             STRING_QUERY_RESULT_ERROR_GENERIC,
@@ -76,14 +71,18 @@
 
     /**
      * The query from {@link #getProvisioningStringValue(int)} has resulted in an unspecified error.
+     * @hide
      */
+    @SystemApi
     public static final String STRING_QUERY_RESULT_ERROR_GENERIC =
             "STRING_QUERY_RESULT_ERROR_GENERIC";
 
     /**
      * The query from {@link #getProvisioningStringValue(int)} has resulted in an error because the
      * ImsService implementation was not ready for provisioning queries.
+     * @hide
      */
+    @SystemApi
     public static final String STRING_QUERY_RESULT_ERROR_NOT_READY =
             "STRING_QUERY_RESULT_ERROR_NOT_READY";
 
@@ -95,12 +94,16 @@
 
     /**
      * The integer result of provisioning for the queried key is disabled.
+     * @hide
      */
+    @SystemApi
     public static final int PROVISIONING_VALUE_DISABLED = 0;
 
     /**
      * The integer result of provisioning for the queried key is enabled.
+     * @hide
      */
+    @SystemApi
     public static final int PROVISIONING_VALUE_ENABLED = 1;
 
 
@@ -445,27 +448,31 @@
 
     /**
      * Override the user-defined WiFi Roaming enabled setting for this subscription, defined in
-     * {@link SubscriptionManager#WFC_ROAMING_ENABLED_CONTENT_URI}, for the purposes of provisioning
-     * the subscription for WiFi Calling.
+     * {@link android.telephony.SubscriptionManager#WFC_ROAMING_ENABLED_CONTENT_URI},
+     * for the purposes of provisioning the subscription for WiFi Calling.
      *
-     * @see #getProvisioningIntValue(int)
      * @see #setProvisioningIntValue(int, int)
+     * @see #getProvisioningIntValue(int)
+     * @hide
      */
+    @SystemApi
     public static final int KEY_VOICE_OVER_WIFI_ROAMING_ENABLED_OVERRIDE = 26;
 
     /**
      * Override the user-defined WiFi mode for this subscription, defined in
-     * {@link SubscriptionManager#WFC_MODE_CONTENT_URI}, for the purposes of provisioning
-     * this subscription for WiFi Calling.
+     * {@link android.telephony.SubscriptionManager#WFC_MODE_CONTENT_URI},
+     * for the purposes of provisioning this subscription for WiFi Calling.
      *
      * Valid values for this key are:
      * {@link ImsMmTelManager#WIFI_MODE_WIFI_ONLY},
      * {@link ImsMmTelManager#WIFI_MODE_CELLULAR_PREFERRED}, or
      * {@link ImsMmTelManager#WIFI_MODE_WIFI_PREFERRED}.
      *
-     * @see #getProvisioningIntValue(int)
      * @see #setProvisioningIntValue(int, int)
+     * @see #getProvisioningIntValue(int)
+     * @hide
      */
+    @SystemApi
     public static final int KEY_VOICE_OVER_WIFI_MODE_OVERRIDE = 27;
 
     /**
@@ -864,7 +871,9 @@
      * <p>Value is in String format.
      * @see #setProvisioningStringValue(int, String)
      * @see #getProvisioningStringValue(int)
+     * @hide
      */
+    @SystemApi
     public static final int KEY_VOICE_OVER_WIFI_ENTITLEMENT_ID = 67;
 
     /**
@@ -886,7 +895,9 @@
 
     /**
      * Callback for IMS provisioning changes.
+     * @hide
      */
+    @SystemApi
     public static class Callback {
 
         private static class CallbackBinder extends IImsConfigCallback.Stub {
@@ -956,11 +967,105 @@
         }
     }
 
+    /**
+     * Callback for IMS provisioning feature changes.
+     */
+    public static class FeatureProvisioningCallback {
+
+        private static class CallbackBinder extends IFeatureProvisioningCallback.Stub {
+
+            private final FeatureProvisioningCallback mFeatureProvisioningCallback;
+            private Executor mExecutor;
+
+            private CallbackBinder(FeatureProvisioningCallback featureProvisioningCallback) {
+                mFeatureProvisioningCallback = featureProvisioningCallback;
+            }
+
+            @Override
+            public final void onFeatureProvisioningChanged(
+                    int capability, int tech, boolean isProvisioned) {
+                final long callingIdentity = Binder.clearCallingIdentity();
+                try {
+                    mExecutor.execute(() ->
+                            mFeatureProvisioningCallback.onFeatureProvisioningChanged(
+                                    capability, tech, isProvisioned));
+                } finally {
+                    restoreCallingIdentity(callingIdentity);
+                }
+            }
+
+            @Override
+            public final void onRcsFeatureProvisioningChanged(
+                    int capability, int tech, boolean isProvisioned) {
+                final long callingIdentity = Binder.clearCallingIdentity();
+                try {
+                    mExecutor.execute(() ->
+                            mFeatureProvisioningCallback.onRcsFeatureProvisioningChanged(
+                                    capability, tech, isProvisioned));
+                } finally {
+                    restoreCallingIdentity(callingIdentity);
+                }
+            }
+
+            private void setExecutor(Executor executor) {
+                mExecutor = executor;
+            }
+        }
+
+        private final CallbackBinder mBinder = new CallbackBinder(this);
+
+        /**
+         * The IMS MMTEL provisioning has changed for a specific capability and IMS
+         * registration technology.
+         * @param capability The MMTEL capability that provisioning has changed for.
+         * @param tech The IMS registration technology associated with the MMTEL capability that
+         * provisioning has changed for.
+         * @param isProvisioned {@code true} if the capability is provisioned for the technology
+         * specified, or {@code false} if the capability is not provisioned for the technology
+         * specified.
+         */
+        public void onFeatureProvisioningChanged(
+                @MmTelFeature.MmTelCapabilities.MmTelCapability int capability,
+                @ImsRegistrationImplBase.ImsRegistrationTech int tech,
+                boolean isProvisioned) {
+            // Base Implementation
+        }
+
+        /**
+         * The IMS RCS provisioning has changed for a specific capability and IMS
+         * registration technology.
+         * @param capability The RCS capability that provisioning has changed for.
+         * @param tech The IMS registration technology associated with the RCS capability that
+         * provisioning has changed for.
+         * @param isProvisioned {@code true} if the capability is provisioned for the technology
+         * specified, or {@code false} if the capability is not provisioned for the technology
+         * specified.
+         */
+        public void onRcsFeatureProvisioningChanged(
+                @RcsFeature.RcsImsCapabilities.RcsImsCapabilityFlag int capability,
+                @ImsRegistrationImplBase.ImsRegistrationTech int tech,
+                boolean isProvisioned) {
+            // Base Implementation
+        }
+
+        /**@hide*/
+        public final IFeatureProvisioningCallback getBinder() {
+            return mBinder;
+        }
+
+        /**@hide*/
+        public void setExecutor(Executor executor) {
+            mBinder.setExecutor(executor);
+        }
+    }
+
     private int mSubId;
 
     /**
      * The callback for RCS provisioning changes.
+     * @hide
      */
+    @SystemApi
     public static class RcsProvisioningCallback {
         private static class CallbackBinder extends IRcsConfigCallback.Stub {
 
@@ -1098,7 +1203,9 @@
      * @param subId The ID of the subscription that this ProvisioningManager will use.
      * @see android.telephony.SubscriptionManager#getActiveSubscriptionInfoList()
      * @throws IllegalArgumentException if the subscription is invalid.
+     * @hide
      */
+    @SystemApi
     public static @NonNull ProvisioningManager createForSubscriptionId(int subId) {
         if (!SubscriptionManager.isValidSubscriptionId(subId)) {
             throw new IllegalArgumentException("Invalid subscription ID");
@@ -1107,7 +1214,9 @@
         return new ProvisioningManager(subId);
     }
 
-    private ProvisioningManager(int subId) {
+    /**@hide*/
+    //@SystemApi
+    public ProvisioningManager(int subId) {
         mSubId = subId;
     }
 
@@ -1116,6 +1225,12 @@
      *
      * When the subscription associated with this callback is removed (SIM removed, ESIM swap,
      * etc...), this callback will automatically be removed.
+     *
+     * <p> Requires Permission:
+     * <ul>
+     *     <li>{@link android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE},</li>
+     * </ul>
+     *
      * @param executor The {@link Executor} to call the callback methods on
      * @param callback The provisioning callbackto be registered.
      * @see #unregisterProvisioningChangedCallback(Callback)
@@ -1126,7 +1241,9 @@
      * the {@link ImsService} associated with the subscription is not available. This can happen if
      * the service crashed, for example. See {@link ImsException#getCode()} for a more detailed
      * reason.
+     * @hide
      */
+    @SystemApi
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public void registerProvisioningChangedCallback(@NonNull @CallbackExecutor Executor executor,
             @NonNull Callback callback) throws ImsException {
@@ -1144,12 +1261,20 @@
      * Unregister an existing {@link Callback}. When the subscription associated with this
      * callback is removed (SIM removed, ESIM swap, etc...), this callback will automatically be
      * removed. If this method is called for an inactive subscription, it will result in a no-op.
+     *
+     * <p> Requires Permission:
+     * <ul>
+     *     <li>{@link android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE},</li>
+     * </ul>
+     *
      * @param callback The existing {@link Callback} to be removed.
      * @see #registerProvisioningChangedCallback(Executor, Callback)
      *
      * @throws IllegalArgumentException if the subscription associated with this callback is
      * invalid.
+     * @hide
      */
+    @SystemApi
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public void unregisterProvisioningChangedCallback(@NonNull Callback callback) {
         try {
@@ -1160,6 +1285,62 @@
     }
 
     /**
+     * Register a new {@link FeatureProvisioningCallback}, which is used to listen for
+     * IMS feature provisioning updates.
+     * <p>
+     * When the subscription associated with this callback is removed (SIM removed,
+     * ESIM swap,etc...), this callback will automatically be removed.
+     *
+     * <p> Requires Permission:
+     * <ul>
+     *     <li> android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE,</li>
+     *     <li>{@link android.Manifest.permission#READ_PRECISE_PHONE_STATE},</li>
+     *     <li>or that the caller has carrier privileges (see
+     *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
+     * </ul>
+     *
+     * @param executor The executor that the callback methods will be called on.
+     * @param callback The callback instance being registered.
+     * @throws ImsException if the subscription associated with this callback is
+     * valid, but the {@link ImsService the service crashed, for example. See
+     * {@link ImsException#getCode()} for a more detailed reason.
+     */
+    @RequiresPermission(Manifest.permission.READ_PRECISE_PHONE_STATE)
+    public void registerFeatureProvisioningChangedCallback(
+            @NonNull @CallbackExecutor Executor executor,
+            @NonNull FeatureProvisioningCallback callback) throws ImsException {
+        callback.setExecutor(executor);
+        try {
+            getITelephony().registerFeatureProvisioningChangedCallback(mSubId,
+                    callback.getBinder());
+        } catch (ServiceSpecificException e) {
+            throw new ImsException(e.getMessage(), e.errorCode);
+        } catch (RemoteException | IllegalStateException e) {
+            throw new ImsException(e.getMessage(), ImsException.CODE_ERROR_SERVICE_UNAVAILABLE);
+        }
+    }
+
+    /**
+     * Unregisters a previously registered {@link FeatureProvisioningCallback}
+     * instance.  When the subscription associated with this
+     * callback is removed (SIM removed, ESIM swap, etc...), this callback will
+     * automatically be removed. If this method is called for an inactive
+     * subscription, it will result in a no-op.
+     *
+     * @param callback The existing {@link FeatureProvisioningCallback} to be removed.
+     * @see #registerFeatureProvisioningChangedCallback(Executor, FeatureProvisioningCallback)
+     */
+    public void unregisterFeatureProvisioningChangedCallback(
+            @NonNull FeatureProvisioningCallback callback) {
+        try {
+            getITelephony().unregisterFeatureProvisioningChangedCallback(mSubId,
+                    callback.getBinder());
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
+    }
+
+    /**
      * Query for the integer value associated with the provided key.
      *
      * This operation is blocking and should not be performed on the UI thread.
@@ -1168,7 +1349,9 @@
      * @return an integer value for the provided key, or
      * {@link ImsConfigImplBase#CONFIG_RESULT_UNKNOWN} if the key doesn't exist.
      * @throws IllegalArgumentException if the key provided was invalid.
+     * @hide
      */
+    @SystemApi
     @WorkerThread
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public int getProvisioningIntValue(int key) {
@@ -1188,7 +1371,9 @@
      * @return a String value for the provided key, {@code null} if the key doesn't exist, or
      * {@link StringResultError} if there was an error getting the value for the provided key.
      * @throws IllegalArgumentException if the key provided was invalid.
+     * @hide
      */
+    @SystemApi
     @WorkerThread
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public @Nullable @StringResultError String getProvisioningStringValue(int key) {
@@ -1209,7 +1394,15 @@
      * @param key An integer that represents the provisioning key, which is defined by the OEM.
      * @param value a integer value for the provided key.
      * @return the result of setting the configuration value.
+     * @hide
+     *
+     * Note: For compatibility purposes, the integer values [0 - 99] used in
+     * {@link #setProvisioningIntValue(int, int)} have been reserved for existing provisioning keys
+     * previously defined in the Android framework. Please do not redefine new provisioning keys
+     * in this range or it may generate collisions with existing keys. Some common constants have
+     * also been defined in this class to make integrating with other system apps easier.
      */
+    @SystemApi
     @WorkerThread
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
     public @ImsConfigImplBase.SetConfigResult int setProvisioningIntValue(int key, int value) {
@@ -1229,7 +1422,9 @@
      *     should be appropriately namespaced to avoid collision.
      * @param value a String value for the provided key.
      * @return the result of setting the configuration value.
+     * @hide
      */
+    @SystemApi
     @WorkerThread
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
     public @ImsConfigImplBase.SetConfigResult int setProvisioningStringValue(int key,
@@ -1249,8 +1444,14 @@
      * does not support the capability/technology combination specified, this operation will be a
      * no-op.
      *
-     * @see CarrierConfigManager#KEY_CARRIER_UT_PROVISIONING_REQUIRED_BOOL
-     * @see CarrierConfigManager#KEY_CARRIER_VOLTE_PROVISIONING_REQUIRED_BOOL
+     * <p>Requires Permission:
+     * <ul>
+     *     <li>{@link android.Manifest.permission#MODIFY_PHONE_STATE},</li>
+     *     <li>or that the calling app has carrier privileges (see</li>
+     *     <li>{@link TelephonyManager#hasCarrierPrivileges}).</li>
+     * </ul>
+     *
+     * @see CarrierConfigManager.Ims#KEY_MMTEL_REQUIRES_PROVISIONING_BUNDLE
      * @param isProvisioned true if the device is provisioned for UT over IMS, false otherwise.
      */
     @WorkerThread
@@ -1258,9 +1459,10 @@
     public void setProvisioningStatusForCapability(
             @MmTelFeature.MmTelCapabilities.MmTelCapability int capability,
             @ImsRegistrationImplBase.ImsRegistrationTech int tech,  boolean isProvisioned) {
+
         try {
             getITelephony().setImsProvisioningStatusForCapability(mSubId, capability, tech,
-                    isProvisioned);
+                        isProvisioned);
         } catch (RemoteException e) {
             throw e.rethrowAsRuntimeException();
         }
@@ -1274,14 +1476,21 @@
      * {@link ImsRegistrationImplBase.ImsRegistrationTech} combination specified, this method will
      * always return {@code true}.
      *
-     * @see CarrierConfigManager#KEY_CARRIER_UT_PROVISIONING_REQUIRED_BOOL
-     * @see CarrierConfigManager#KEY_CARRIER_VOLTE_PROVISIONING_REQUIRED_BOOL
+     * <p> Requires Permission:
+     * <ul>
+     *     <li>android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE,</li>
+     *     <li>{@link android.Manifest.permission#READ_PRECISE_PHONE_STATE},</li>
+     *     <li>or that the caller has carrier privileges (see
+     *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
+     * </ul>
+     *
+     * @see CarrierConfigManager.Ims#KEY_MMTEL_REQUIRES_PROVISIONING_BUNDLE
      * @return true if the device is provisioned for the capability or does not require
      * provisioning, false if the capability does require provisioning and has not been
      * provisioned yet.
      */
     @WorkerThread
-    @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
+    @RequiresPermission(Manifest.permission.READ_PRECISE_PHONE_STATE)
     public boolean getProvisioningStatusForCapability(
             @MmTelFeature.MmTelCapabilities.MmTelCapability int capability,
             @ImsRegistrationImplBase.ImsRegistrationTech int tech) {
@@ -1299,17 +1508,93 @@
      * {@link RcsFeature.RcsImsCapabilities.RcsImsCapabilityFlag} this method will always return
      * {@code true}.
      *
-     * @see CarrierConfigManager#KEY_CARRIER_RCS_PROVISIONING_REQUIRED_BOOL
+     * @see CarrierConfigManager.Ims#KEY_CARRIER_RCS_PROVISIONING_REQUIRED_BOOL
      * @return true if the device is provisioned for the capability or does not require
      * provisioning, false if the capability does require provisioning and has not been
      * provisioned yet.
+     * @deprecated Use {@link #getRcsProvisioningStatusForCapability(int, int)} instead,
+     * as this only retrieves provisioning information for
+     * {@link ImsRegistrationImplBase#REGISTRATION_TECH_LTE}
+     * @hide
      */
+    @Deprecated
+    @SystemApi
     @WorkerThread
     @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public boolean getRcsProvisioningStatusForCapability(
             @RcsFeature.RcsImsCapabilities.RcsImsCapabilityFlag int capability) {
         try {
-            return getITelephony().getRcsProvisioningStatusForCapability(mSubId, capability);
+            return getITelephony().getRcsProvisioningStatusForCapability(mSubId, capability,
+            ImsRegistrationImplBase.REGISTRATION_TECH_LTE);
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
+    }
+
+    /**
+     * Get the provisioning status for the IMS RCS capability specified.
+     *
+     * If provisioning is not required for the queried
+     * {@link RcsFeature.RcsImsCapabilities.RcsImsCapabilityFlag} this method
+     * will always return {@code true}.
+     *
+     * <p> Requires Permission:
+     * <ul>
+     *     <li>{@link android.Manifest.permission#READ_PRECISE_PHONE_STATE},</li>
+     *     <li>or that the caller has carrier privileges (see
+     *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
+     * </ul>
+     *
+     * @see CarrierConfigManager.Ims#KEY_RCS_REQUIRES_PROVISIONING_BUNDLE
+     * @return true if the device is provisioned for the capability or does not require
+     * provisioning, false if the capability does require provisioning and has not been
+     * provisioned yet.
+     */
+    @WorkerThread
+    @RequiresPermission(Manifest.permission.READ_PRECISE_PHONE_STATE)
+    public boolean getRcsProvisioningStatusForCapability(
+            @RcsFeature.RcsImsCapabilities.RcsImsCapabilityFlag int capability,
+            @ImsRegistrationImplBase.ImsRegistrationTech int tech) {
+        try {
+            return getITelephony().getRcsProvisioningStatusForCapability(mSubId, capability, tech);
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
+    }
+
+    /**
+     * Set the provisioning status for the IMS RCS capability using the specified subscription.
+     *
+     * <p> Requires Permission:
+     * <ul>
+     *     <li>{@link android.Manifest.permission#MODIFY_PHONE_STATE}</li>
+     *     <li>or that the caller has carrier privileges (see
+     *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
+     * </ul>
+
+     * Provisioning may or may not be required, depending on the carrier configuration. If
+     * provisioning is not required for the carrier associated with this subscription or the device
+     * does not support the capability/technology combination specified, this operation will be a
+     * no-op.
+     *
+     * @see CarrierConfigManager#KEY_CARRIER_RCS_PROVISIONING_REQUIRED_BOOL
+     * @param isProvisioned true if the device is provisioned for the RCS capability specified,
+     *                      false otherwise.
+     * @deprecated Use {@link #setRcsProvisioningStatusForCapability(int, int, boolean)} instead,
+     * as this method only sets provisioning information for
+     * {@link ImsRegistrationImplBase#REGISTRATION_TECH_LTE}
+     * @hide
+     */
+    @Deprecated
+    @SystemApi
+    @WorkerThread
+    @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
+    public void setRcsProvisioningStatusForCapability(
+            @RcsFeature.RcsImsCapabilities.RcsImsCapabilityFlag int capability,
+            boolean isProvisioned) {
+        try {
+            getITelephony().setRcsProvisioningStatusForCapability(mSubId, capability,
+                    ImsRegistrationImplBase.REGISTRATION_TECH_LTE, isProvisioned);
         } catch (RemoteException e) {
             throw e.rethrowAsRuntimeException();
         }
@@ -1323,7 +1608,14 @@
      * does not support the capability/technology combination specified, this operation will be a
      * no-op.
      *
-     * @see CarrierConfigManager#KEY_CARRIER_RCS_PROVISIONING_REQUIRED_BOOL
+     * <p> Requires Permission:
+     * <ul>
+     *     <li>{@link android.Manifest.permission#MODIFY_PHONE_STATE},</li>
+     *     <li>or that the caller has carrier privileges (see
+     *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
+     * </ul>
+     *
+     * @see CarrierConfigManager.Ims#KEY_RCS_REQUIRES_PROVISIONING_BUNDLE
      * @param isProvisioned true if the device is provisioned for the RCS capability specified,
      *                      false otherwise.
      */
@@ -1331,31 +1623,92 @@
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
     public void setRcsProvisioningStatusForCapability(
             @RcsFeature.RcsImsCapabilities.RcsImsCapabilityFlag int capability,
-            boolean isProvisioned) {
+            @ImsRegistrationImplBase.ImsRegistrationTech int tech, boolean isProvisioned) {
         try {
             getITelephony().setRcsProvisioningStatusForCapability(mSubId, capability,
-                    isProvisioned);
+                    tech, isProvisioned);
         } catch (RemoteException e) {
             throw e.rethrowAsRuntimeException();
         }
     }
 
     /**
+     * Indicates whether provisioning for the MMTEL capability and IMS registration technology
+     * specified is required or not
+     *
+     * <p> Requires Permission:
+     * <ul>
+     *     <li> android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE,</li>
+     *     <li>{@link android.Manifest.permission#READ_PRECISE_PHONE_STATE},</li>
+     *     <li> or that the caller has carrier privileges (see
+     *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
+     * </ul>
+     *
+     * @return true if provisioning is required for the MMTEL capability and IMS
+     * registration technology specified, false if it is not required.
+     */
+    @RequiresPermission(Manifest.permission.READ_PRECISE_PHONE_STATE)
+    public boolean isProvisioningRequiredForCapability(
+            @MmTelFeature.MmTelCapabilities.MmTelCapability int capability,
+            @ImsRegistrationImplBase.ImsRegistrationTech int tech) {
+        try {
+            return getITelephony().isProvisioningRequiredForCapability(mSubId, capability, tech);
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
+    }
+
+
+    /**
+     * Indicates whether provisioning for the RCS capability and IMS registration technology
+     * specified is required or not
+     *
+     * <p> Requires Permission:
+     * <ul>
+     *     <li> android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE,</li>
+     *     <li>{@link android.Manifest.permission#READ_PRECISE_PHONE_STATE},</li>
+     *     <li> or that the caller has carrier privileges (see
+     *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
+     * </ul>
+     *
+     * @return true if provisioning is required for the RCS capability and IMS
+     * registration technology specified, false if it is not required.
+     */
+    @RequiresPermission(Manifest.permission.READ_PRECISE_PHONE_STATE)
+    public boolean isRcsProvisioningRequiredForCapability(
+            @RcsFeature.RcsImsCapabilities.RcsImsCapabilityFlag int capability,
+            @ImsRegistrationImplBase.ImsRegistrationTech int tech) {
+        try {
+            return getITelephony().isRcsProvisioningRequiredForCapability(mSubId, capability, tech);
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
+    }
+
+
+    /**
      * Notify the framework that an RCS autoconfiguration XML file has been received for
      * provisioning.
-     * <p>
-     * Requires Permission: Manifest.permission.MODIFY_PHONE_STATE or that the calling app has
-     * carrier privileges (see {@link TelephonyManager#hasCarrierPrivileges}).
+     *
+     * <p>Requires Permission:
+     * <ul>
+     *     <li>{@link Manifest.permission#MODIFY_PHONE_STATE},</li>
+     *     <li>or that the calling app has carrier privileges (see
+     *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
+     * </ul>
+     *
      * @param config The XML file to be read. ASCII/UTF8 encoded text if not compressed.
      * @param isCompressed The XML file is compressed in gzip format and must be decompressed
      *         before being read.
-     *
+     * @hide
      */
+    @SystemApi
     @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE)
     public void notifyRcsAutoConfigurationReceived(@NonNull byte[] config, boolean isCompressed) {
         if (config == null) {
             throw new IllegalArgumentException("Must include a non-null config XML file.");
         }
+
         try {
             getITelephony().notifyRcsAutoConfigurationReceived(mSubId, config, isCompressed);
         } catch (RemoteException e) {
@@ -1374,7 +1727,9 @@
      * <p>Contains {@link #EXTRA_SUBSCRIPTION_ID} to specify the subscription index for which
      * the intent is valid. and {@link #EXTRA_STATUS} to specify RCS VoLTE single registration
      * status.
+     * @hide
      */
+    @SystemApi
     @RequiresPermission(Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION)
     @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)
     public static final String ACTION_RCS_SINGLE_REGISTRATION_CAPABILITY_UPDATE =
@@ -1382,7 +1737,9 @@
 
     /**
      * Integer extra to specify subscription index.
+     * @hide
      */
+    @SystemApi
     public static final String EXTRA_SUBSCRIPTION_ID =
             "android.telephony.ims.extra.SUBSCRIPTION_ID";
 
@@ -1392,22 +1749,30 @@
      * <p>The value can be {@link #STATUS_CAPABLE}, {@link #STATUS_DEVICE_NOT_CAPABLE},
      * {@link #STATUS_CARRIER_NOT_CAPABLE}, or bitwise OR of
      * {@link #STATUS_DEVICE_NOT_CAPABLE} and {@link #STATUS_CARRIER_NOT_CAPABLE}.
+     * @hide
      */
+    @SystemApi
     public static final String EXTRA_STATUS = "android.telephony.ims.extra.STATUS";
 
     /**
      * RCS VoLTE single registration is supported by the device and carrier.
+     * @hide
      */
+    @SystemApi
     public static final int STATUS_CAPABLE                       = 0;
 
     /**
      * RCS VoLTE single registration is not supported by the device.
+     * @hide
      */
+    @SystemApi
     public static final int STATUS_DEVICE_NOT_CAPABLE            = 0x01;
 
     /**
      * RCS VoLTE single registration is not supported by the carrier
+     * @hide
      */
+    @SystemApi
     public static final int STATUS_CARRIER_NOT_CAPABLE           = 0x01 << 1;
 
     /**
@@ -1417,11 +1782,14 @@
      * provisioning is done using autoconfiguration, then these parameters shall be
      * sent in the HTTP get request to fetch the RCS provisioning. RCS client
      * configuration must be provided by the application before registering for the
-     * provisioning status events {@link #registerRcsProvisioningCallback()}
+     * provisioning status events
+     * {@link #registerRcsProvisioningCallback(Executor, RcsProvisioningCallback)}
      * When the IMS/RCS service receives the RCS client configuration, it will detect
      * the change in the configuration, and trigger the auto-configuration as needed.
      * @param rcc RCS client configuration {@link RcsClientConfiguration}
+     * @hide
      */
+    @SystemApi
     @RequiresPermission(Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION)
     public void setRcsClientConfiguration(
             @NonNull RcsClientConfiguration rcc) throws ImsException {
@@ -1442,18 +1810,21 @@
      * <ul>
      *     <li>{@link android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE},</li>
      *     <li>{@link android.Manifest.permission#PERFORM_IMS_SINGLE_REGISTRATION},</li>
-     *     <li>or that the caller has carrier privileges (see
+     *     <li>or that the calling app has carrier privileges (see
      *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
      * </ul>
+     *
      * @return true if IMS single registration is capable at this time, or false otherwise
-     * @throws ImsException If the remote ImsService is not available for
-     * any reason or the subscription associated with this instance is no
-     * longer active. See {@link ImsException#getCode()} for more
-     * information.
+     * @throws ImsException If the remote ImsService is not available for any reason or
+     * the subscription associated with this instance is no longer active.
+     * See {@link ImsException#getCode()} for more information.
      * @see PackageManager#FEATURE_TELEPHONY_IMS_SINGLE_REGISTRATION for whether or not this
      * device supports IMS single registration.
+     * @hide
      */
-    @RequiresPermission(anyOf = {Manifest.permission.READ_PRIVILEGED_PHONE_STATE,
+    @SystemApi
+    @RequiresPermission(anyOf = {
+            Manifest.permission.READ_PRIVILEGED_PHONE_STATE,
             Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION})
     public boolean isRcsVolteSingleRegistrationCapable() throws ImsException {
         try {
@@ -1480,8 +1851,6 @@
     * <ul>
     *     <li>{@link android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE},</li>
     *     <li>{@link android.Manifest.permission#PERFORM_IMS_SINGLE_REGISTRATION},</li>
-    *     <li>or that the caller has carrier privileges (see
-    *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
     * </ul>
     *
     * @param executor The {@link Executor} to call the callback methods on
@@ -1499,8 +1868,11 @@
     * params (See {@link #setRcsClientConfiguration}) and re register the
     * callback.
     * See {@link ImsException#getCode()} for a more detailed reason.
+    * @hide
     */
-    @RequiresPermission(anyOf = {Manifest.permission.READ_PRIVILEGED_PHONE_STATE,
+    @SystemApi
+    @RequiresPermission(anyOf = {
+            Manifest.permission.READ_PRIVILEGED_PHONE_STATE,
             Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION})
     public void registerRcsProvisioningCallback(
             @NonNull @CallbackExecutor Executor executor,
@@ -1527,8 +1899,6 @@
      * <ul>
      *     <li>{@link android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE},</li>
      *     <li>{@link android.Manifest.permission#PERFORM_IMS_SINGLE_REGISTRATION},</li>
-     *     <li>or that the caller has carrier privileges (see
-     *         {@link TelephonyManager#hasCarrierPrivileges()}).</li>
      * </ul>
      *
      * @param callback The existing {@link RcsProvisioningCallback} to be
@@ -1536,8 +1906,11 @@
      * @see #registerRcsProvisioningCallback(Executor, RcsProvisioningCallback)
      * @throws IllegalArgumentException if the subscription associated with
      * this callback is invalid.
+     * @hide
      */
-    @RequiresPermission(anyOf = {Manifest.permission.READ_PRIVILEGED_PHONE_STATE,
+    @SystemApi
+    @RequiresPermission(anyOf = {
+            Manifest.permission.READ_PRIVILEGED_PHONE_STATE,
             Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION})
     public void unregisterRcsProvisioningCallback(
             @NonNull RcsProvisioningCallback callback) {
@@ -1558,9 +1931,10 @@
      * {@link RcsProvisioningCallback} may expect to receive
      * {@link RcsProvisioningCallback#onConfigurationReset}, then
      * {@link RcsProvisioningCallback#onConfigurationChanged} when the new
-     * RCS configuration is received and notified by
-     * {@link #notifyRcsAutoConfigurationReceived}
+     * RCS configuration is received and notified by {@link #notifyRcsAutoConfigurationReceived}
+     * @hide
      */
+    @SystemApi
     @RequiresPermission(Manifest.permission.PERFORM_IMS_SINGLE_REGISTRATION)
     public void triggerRcsReconfiguration() {
         try {
diff --git a/telephony/java/android/telephony/ims/aidl/IFeatureProvisioningCallback.aidl b/telephony/java/android/telephony/ims/aidl/IFeatureProvisioningCallback.aidl
new file mode 100644
index 0000000..63ec4aa
--- /dev/null
+++ b/telephony/java/android/telephony/ims/aidl/IFeatureProvisioningCallback.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package android.telephony.ims.aidl;
+
+/**
+ * Provides callback interface for FeatureProvisioning when a value has changed.
+ *
+ * {@hide}
+ */
+oneway interface IFeatureProvisioningCallback {
+    void onFeatureProvisioningChanged(int capability, int tech, boolean isProvisioned);
+    void onRcsFeatureProvisioningChanged(int capability, int tech, boolean isProvisioned);
+}
diff --git a/telephony/java/android/telephony/ims/feature/MmTelFeature.java b/telephony/java/android/telephony/ims/feature/MmTelFeature.java
index 7fdf21b..ad2e9e1 100644
--- a/telephony/java/android/telephony/ims/feature/MmTelFeature.java
+++ b/telephony/java/android/telephony/ims/feature/MmTelFeature.java
@@ -394,6 +394,13 @@
         public @interface MmTelCapability {}
 
         /**
+         * Undefined capability type for initialization
+         * This is used to check the upper range of MmTel capability
+         * {@hide}
+         */
+        public static final int CAPABILITY_TYPE_NONE = 0;
+
+        /**
          * This MmTelFeature supports Voice calling (IR.92)
          */
         public static final int CAPABILITY_TYPE_VOICE = 1 << 0;
@@ -419,6 +426,12 @@
         public static final int CAPABILITY_TYPE_CALL_COMPOSER = 1 << 4;
 
         /**
+         * This is used to check the upper range of MmTel capability
+         * {@hide}
+         */
+        public static final int CAPABILITY_TYPE_MAX = CAPABILITY_TYPE_CALL_COMPOSER + 1;
+
+        /**
          * @hide
          */
         @Override
diff --git a/telephony/java/android/telephony/ims/feature/RcsFeature.java b/telephony/java/android/telephony/ims/feature/RcsFeature.java
index 11cf0e3..af7373b 100644
--- a/telephony/java/android/telephony/ims/feature/RcsFeature.java
+++ b/telephony/java/android/telephony/ims/feature/RcsFeature.java
@@ -59,9 +59,7 @@
 /**
  * Base implementation of the RcsFeature APIs. Any ImsService wishing to support RCS should extend
  * this class and provide implementations of the RcsFeature methods that they support.
- * @hide
  */
-@SystemApi
 public class RcsFeature extends ImsFeature {
 
     private static final String LOG_TAG = "RcsFeature";
@@ -186,14 +184,14 @@
      * Contains the capabilities defined and supported by a {@link RcsFeature} in the
      * form of a bitmask. The capabilities that are used in the RcsFeature are
      * defined as:
-     * {@link RcsUceAdatper.RcsImsCapabilityFlag#CAPABILITY_TYPE_OPTIONS_UCE}
-     * {@link RceUceAdapter.RcsImsCapabilityFlag#CAPABILITY_TYPE_PRESENCE_UCE}
+     * {RcsUceAdapter.RcsImsCapabilityFlag#CAPABILITY_TYPE_OPTIONS_UCE}
+     * {RcsUceAdapter.RcsImsCapabilityFlag#CAPABILITY_TYPE_PRESENCE_UCE}
      *
      * The enabled capabilities of this RcsFeature will be set by the framework
-     * using {@link #changeEnabledCapabilities(CapabilityChangeRequest, CapabilityCallbackProxy)}.
+     * using {#changeEnabledCapabilities(CapabilityChangeRequest, CapabilityCallbackProxy)}.
      * After the capabilities have been set, the RcsFeature may then perform the necessary bring up
      * of the capability and notify the capability status as true using
-     * {@link #notifyCapabilitiesStatusChanged(RcsImsCapabilities)}. This will signal to the
+     * {#notifyCapabilitiesStatusChanged(RcsImsCapabilities)}. This will signal to the
      * framework that the capability is available for usage.
      */
     public static class RcsImsCapabilities extends Capabilities {
@@ -227,10 +225,18 @@
         public static final int CAPABILITY_TYPE_PRESENCE_UCE =  1 << 1;
 
         /**
+         * This is used to check the upper range of RCS capability
+         * {@hide}
+         */
+        public static final int CAPABILITY_TYPE_MAX = CAPABILITY_TYPE_PRESENCE_UCE + 1;
+
+        /**
          * Create a new {@link RcsImsCapabilities} instance with the provided capabilities.
          * @param capabilities The capabilities that are supported for RCS in the form of a
          * bitfield.
+         * @hide
          */
+        @SystemApi
         public RcsImsCapabilities(@RcsUceAdapter.RcsImsCapabilityFlag int capabilities) {
             super(capabilities);
         }
@@ -243,17 +249,29 @@
             super(capabilities.getMask());
         }
 
+        /**
+         * @hide
+         */
         @Override
+        @SystemApi
         public void addCapabilities(@RcsUceAdapter.RcsImsCapabilityFlag int capabilities) {
             super.addCapabilities(capabilities);
         }
 
+        /**
+         * @hide
+         */
         @Override
+        @SystemApi
         public void removeCapabilities(@RcsUceAdapter.RcsImsCapabilityFlag int capabilities) {
             super.removeCapabilities(capabilities);
         }
 
+        /**
+         * @hide
+         */
         @Override
+        @SystemApi
         public boolean isCapable(@RcsUceAdapter.RcsImsCapabilityFlag int capabilities) {
             return super.isCapable(capabilities);
         }
@@ -270,7 +288,9 @@
      * Method stubs called from the framework will be called asynchronously. To specify the
      * {@link Executor} that the methods stubs will be called, use
      * {@link RcsFeature#RcsFeature(Executor)} instead.
+     * @hide
      */
+    @SystemApi
     public RcsFeature() {
         super();
         // Run on the Binder threads that call them.
@@ -282,7 +302,9 @@
      * framework.
      * @param executor The executor for the framework to use when executing the methods overridden
      * by the implementation of RcsFeature.
+     * @hide
      */
+    @SystemApi
     public RcsFeature(@NonNull Executor executor) {
         super();
         if (executor == null) {
@@ -301,7 +323,7 @@
      * @hide
      */
     @Override
-    public void initialize(Context context, int slotId) {
+    public void initialize(@NonNull Context context, @NonNull int slotId) {
         super.initialize(context, slotId);
         // Notify that the RcsFeature is ready.
         mExecutor.execute(() -> onFeatureReady());
@@ -313,8 +335,10 @@
      * requests. To change the status of the capabilities
      * {@link #notifyCapabilitiesStatusChanged(RcsImsCapabilities)} should be called.
      * @return A copy of the current RcsFeature capability status.
+     * @hide
      */
     @Override
+    @SystemApi
     public @NonNull final RcsImsCapabilities queryCapabilityStatus() {
         return new RcsImsCapabilities(super.queryCapabilityStatus());
     }
@@ -324,7 +348,9 @@
      * this signals to the framework that the capability has been initialized and is ready.
      * Call {@link #queryCapabilityStatus()} to return the current capability status.
      * @param capabilities The current capability status of the RcsFeature.
+     * @hide
      */
+    @SystemApi
     public final void notifyCapabilitiesStatusChanged(@NonNull RcsImsCapabilities capabilities) {
         if (capabilities == null) {
             throw new IllegalArgumentException("RcsImsCapabilities must be non-null!");
@@ -341,7 +367,9 @@
      * @param capability The capability that we are querying the configuration for.
      * @param radioTech The radio technology type that we are querying.
      * @return true if the capability is enabled, false otherwise.
+     * @hide
      */
+    @SystemApi
     public boolean queryCapabilityConfiguration(
             @RcsUceAdapter.RcsImsCapabilityFlag int capability,
             @ImsRegistrationImplBase.ImsRegistrationTech int radioTech) {
@@ -364,8 +392,10 @@
      * be called for each capability change that resulted in an error.
      * @param request The request to change the capability.
      * @param callback To notify the framework that the result of the capability changes.
+     * @hide
      */
     @Override
+    @SystemApi
     public void changeEnabledCapabilities(@NonNull CapabilityChangeRequest request,
             @NonNull CapabilityCallbackProxy callback) {
         // Base Implementation - Override to provide functionality
@@ -385,7 +415,9 @@
      * event to the framework.
      * @return An instance of {@link RcsCapabilityExchangeImplBase} that implements capability
      * exchange if it is supported by the device.
+     * @hide
      */
+    @SystemApi
     public @NonNull RcsCapabilityExchangeImplBase createCapabilityExchangeImpl(
             @NonNull CapabilityExchangeEventListener listener) {
         // Base Implementation, override to implement functionality
@@ -395,20 +427,28 @@
     /**
      * Remove the given CapabilityExchangeImplBase instance.
      * @param capExchangeImpl The {@link RcsCapabilityExchangeImplBase} instance to be destroyed.
+     * @hide
      */
+    @SystemApi
     public void destroyCapabilityExchangeImpl(
             @NonNull RcsCapabilityExchangeImplBase capExchangeImpl) {
         // Override to implement the process of destroying RcsCapabilityExchangeImplBase instance.
     }
 
-    /**{@inheritDoc}*/
+    /**{@inheritDoc}
+     * @hide
+     */
     @Override
+    @SystemApi
     public void onFeatureRemoved() {
 
     }
 
-    /**{@inheritDoc}*/
+    /**{@inheritDoc}
+     * @hide
+     */
     @Override
+    @SystemApi
     public void onFeatureReady() {
 
     }
@@ -448,7 +488,9 @@
      * has already been created in the framework.
      * @param listener A {@link CapabilityExchangeEventListener} to send the capability exchange
      * event to the framework.
+     * @hide
      */
+    @SystemApi
     private void initRcsCapabilityExchangeImplBase(
             @NonNull CapabilityExchangeEventListener listener) {
         synchronized (mLock) {
diff --git a/telephony/java/android/telephony/ims/stub/ImsRegistrationImplBase.java b/telephony/java/android/telephony/ims/stub/ImsRegistrationImplBase.java
index 3b151a4..ac5565b 100644
--- a/telephony/java/android/telephony/ims/stub/ImsRegistrationImplBase.java
+++ b/telephony/java/android/telephony/ims/stub/ImsRegistrationImplBase.java
@@ -34,7 +34,6 @@
 import com.android.internal.telephony.util.TelephonyUtils;
 import com.android.internal.util.ArrayUtils;
 
-
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.concurrent.CancellationException;
@@ -51,9 +50,7 @@
  * <p>
  * Note: There is no guarantee on the thread that the calls from the framework will be called on. It
  * is the implementors responsibility to handle moving the calls to a working thread if required.
- * @hide
  */
-@SystemApi
 public class ImsRegistrationImplBase {
 
     private static final String LOG_TAG = "ImsRegistrationImplBase";
@@ -94,6 +91,12 @@
      */
     public static final int REGISTRATION_TECH_NR = 3;
 
+    /**
+     * This is used to check the upper range of registration tech
+     * {@hide}
+     */
+    public static final int REGISTRATION_TECH_MAX = REGISTRATION_TECH_NR + 1;
+
     // Registration states, used to notify new ImsRegistrationImplBase#Callbacks of the current
     // state.
     // The unknown state is set as the initialization state. This is so that we do not call back
@@ -109,7 +112,9 @@
      * Method stubs called from the framework will be called asynchronously. To specify the
      * {@link Executor} that the methods stubs will be called, use
      * {@link ImsRegistrationImplBase#ImsRegistrationImplBase(Executor)} instead.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public ImsRegistrationImplBase() {
         super();
     }
@@ -119,7 +124,9 @@
      * framework.
      * @param executor The executor for the framework to use when executing the methods overridden
      * by the implementation of ImsRegistration.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public ImsRegistrationImplBase(@NonNull Executor executor) {
         super();
         mExecutor = executor;
@@ -250,7 +257,9 @@
      * If the SIP delegate feature tag configuration has changed, then this method will be
      * called in order to let the ImsService know that it can pick up these changes in the IMS
      * registration.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public void updateSipDelegateRegistration() {
         // Stub implementation, ImsService should implement this
     }
@@ -266,7 +275,9 @@
      * <p>
      * This should not affect the registration of features managed by the ImsService itself, such as
      * feature tags related to MMTEL registration.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public void triggerSipDelegateDeregistration() {
         // Stub implementation, ImsService should implement this
     }
@@ -284,7 +295,9 @@
      *    be carrier specific.
      * @param sipReason The reason associated with the SIP error code. {@code null} if there was no
      *    reason associated with the error.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public void triggerFullNetworkRegistration(@IntRange(from = 100, to = 699) int sipCode,
             @Nullable String sipReason) {
         // Stub implementation, ImsService should implement this
@@ -295,7 +308,9 @@
      * Notify the framework that the device is connected to the IMS network.
      *
      * @param imsRadioTech the radio access technology.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public final void onRegistered(@ImsRegistrationTech int imsRadioTech) {
         onRegistered(new ImsRegistrationAttributes.Builder(imsRadioTech).build());
     }
@@ -304,7 +319,9 @@
      * Notify the framework that the device is connected to the IMS network.
      *
      * @param attributes The attributes associated with the IMS registration.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public final void onRegistered(@NonNull ImsRegistrationAttributes attributes) {
         updateToState(attributes, RegistrationManager.REGISTRATION_STATE_REGISTERED);
         mCallbacks.broadcastAction((c) -> {
@@ -320,7 +337,9 @@
      * Notify the framework that the device is trying to connect the IMS network.
      *
      * @param imsRadioTech the radio access technology.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public final void onRegistering(@ImsRegistrationTech int imsRadioTech) {
         onRegistering(new ImsRegistrationAttributes.Builder(imsRadioTech).build());
     }
@@ -329,7 +348,9 @@
      * Notify the framework that the device is trying to connect the IMS network.
      *
      * @param attributes The attributes associated with the IMS registration.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public final void onRegistering(@NonNull ImsRegistrationAttributes attributes) {
         updateToState(attributes, RegistrationManager.REGISTRATION_STATE_REGISTERING);
         mCallbacks.broadcastAction((c) -> {
@@ -356,7 +377,9 @@
      * result.
      *
      * @param info the {@link ImsReasonInfo} associated with why registration was disconnected.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public final void onDeregistered(ImsReasonInfo info) {
         updateToDisconnectedState(info);
         // ImsReasonInfo should never be null.
@@ -377,7 +400,9 @@
      * {@link #REGISTRATION_TECH_LTE}, {@link #REGISTRATION_TECH_IWLAN} and
      * {@link #REGISTRATION_TECH_CROSS_SIM}.
      * @param info The {@link ImsReasonInfo} for the failure to change technology.
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public final void onTechnologyChangeFailed(@ImsRegistrationTech int imsRadioTech,
             ImsReasonInfo info) {
         final ImsReasonInfo reasonInfo = (info != null) ? info : new ImsReasonInfo();
@@ -396,7 +421,9 @@
      *
      * The {@link Uri}s are not guaranteed to be different between subsequent calls.
      * @param uris changed uris
+     * @hide This API is not part of the Android public SDK API
      */
+    @SystemApi
     public final void onSubscriberAssociatedUriChanged(Uri[] uris) {
         synchronized (mLock) {
             mUris = ArrayUtils.cloneOrNull(uris);
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index be54cec..bce7a24 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -55,6 +55,7 @@
 import android.telephony.emergency.EmergencyNumber;
 import android.telephony.ims.RcsClientConfiguration;
 import android.telephony.ims.RcsContactUceCapability;
+import android.telephony.ims.aidl.IFeatureProvisioningCallback;
 import android.telephony.ims.aidl.IImsCapabilityCallback;
 import android.telephony.ims.aidl.IImsConfig;
 import android.telephony.ims.aidl.IImsConfigCallback;
@@ -1992,6 +1993,18 @@
     void unregisterImsProvisioningChangedCallback(int subId, IImsConfigCallback callback);
 
     /**
+     * Register an IMS provisioning change callback with Telephony.
+     */
+    void registerFeatureProvisioningChangedCallback(int subId,
+            IFeatureProvisioningCallback callback);
+
+    /**
+     * unregister an existing IMS provisioning change callback.
+     */
+    void unregisterFeatureProvisioningChangedCallback(int subId,
+            IFeatureProvisioningCallback callback);
+
+    /**
      * Set the provisioning status for the IMS MmTel capability using the specified subscription.
      */
     void setImsProvisioningStatusForCapability(int subId, int capability, int tech,
@@ -2005,19 +2018,12 @@
     /**
      * Get the provisioning status for the IMS Rcs capability specified.
      */
-    boolean getRcsProvisioningStatusForCapability(int subId, int capability);
+    boolean getRcsProvisioningStatusForCapability(int subId, int capability, int tech);
 
     /**
      * Set the provisioning status for the IMS Rcs capability using the specified subscription.
      */
-    void setRcsProvisioningStatusForCapability(int subId, int capability,
-            boolean isProvisioned);
-
-    /** Is the capability and tech flagged as provisioned in the cache */
-    boolean isMmTelCapabilityProvisionedInCache(int subId, int capability, int tech);
-
-    /** Set the provisioning for the capability and tech in the cache */
-    void cacheMmTelCapabilityProvisioning(int subId, int capability, int tech,
+    void setRcsProvisioningStatusForCapability(int subId, int capability, int tech,
             boolean isProvisioned);
 
     /**
@@ -2523,4 +2529,18 @@
      * @return the service name of the modem service which bind to.
      */
     String getModemService();
+
+    /**
+     * Is Provisioning required for capability
+     * @return true if provisioning is required for the MMTEL capability and IMS
+     * registration technology specified, false if it is not required.
+     */
+    boolean isProvisioningRequiredForCapability(int subId, int capability, int tech);
+
+    /**
+     * Is RCS Provisioning required for capability
+     * @return true if provisioning is required for the RCS capability and IMS
+     * registration technology specified, false if it is not required.
+     */
+    boolean isRcsProvisioningRequiredForCapability(int subId, int capability, int tech);
 }
diff --git a/telephony/java/com/android/internal/telephony/uicc/IccUtils.java b/telephony/java/com/android/internal/telephony/uicc/IccUtils.java
index 21c3f76..f518d53 100644
--- a/telephony/java/com/android/internal/telephony/uicc/IccUtils.java
+++ b/telephony/java/com/android/internal/telephony/uicc/IccUtils.java
@@ -24,6 +24,7 @@
 import android.graphics.Color;
 import android.os.Build;
 import android.telephony.UiccPortInfo;
+import android.text.TextUtils;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.telephony.GsmAlphabet;
@@ -934,6 +935,13 @@
     }
 
     /**
+     * Strip all the trailing 'F' characters of a string if exists and compare.
+     */
+    public static boolean compareIgnoreTrailingFs(String a, String b) {
+        return TextUtils.equals(a, b) || TextUtils.equals(stripTrailingFs(a), stripTrailingFs(b));
+    }
+
+    /**
      * Converts a character of [0-9a-fA-F] to its hex value in a byte. If the character is not a
      * hex number, 0 will be returned.
      */
diff --git a/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppHomeButtonTest.kt b/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppHomeButtonTest.kt
index 22acc03..d960e94 100644
--- a/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppHomeButtonTest.kt
+++ b/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppHomeButtonTest.kt
@@ -108,6 +108,15 @@
         super.entireScreenCovered()
     }
 
+    /** {@inheritDoc} */
+    @Presubmit
+    @Test
+    override fun visibleLayersShownMoreThanOneConsecutiveEntry() {
+        // This test doesn't work in shell transitions because of b/215885246
+        assumeFalse(isShellTransitionsEnabled)
+        super.visibleLayersShownMoreThanOneConsecutiveEntry()
+    }
+
     companion object {
         /**
          * Creates the test configurations.
diff --git a/tests/FlickerTests/src/com/android/server/wm/flicker/helpers/ImeAppAutoFocusHelper.kt b/tests/FlickerTests/src/com/android/server/wm/flicker/helpers/ImeAppAutoFocusHelper.kt
index 0b1748a..535612a 100644
--- a/tests/FlickerTests/src/com/android/server/wm/flicker/helpers/ImeAppAutoFocusHelper.kt
+++ b/tests/FlickerTests/src/com/android/server/wm/flicker/helpers/ImeAppAutoFocusHelper.kt
@@ -17,7 +17,9 @@
 package com.android.server.wm.flicker.helpers
 
 import android.app.Instrumentation
+import androidx.test.uiautomator.By
 import androidx.test.uiautomator.UiDevice
+import androidx.test.uiautomator.Until
 import com.android.server.wm.flicker.testapp.ActivityOptions
 import com.android.server.wm.traces.common.FlickerComponentName
 import com.android.server.wm.traces.parser.toFlickerComponent
@@ -47,4 +49,28 @@
         }
         launcherStrategy.launch(appName, expectedPackage)
     }
+
+    fun startDialogThemedActivity(wmHelper: WindowManagerStateHelper) {
+        val button = uiDevice.wait(Until.findObject(By.res(getPackage(),
+                "start_dialog_themed_activity_btn")), FIND_TIMEOUT)
+
+        require(button != null) {
+            "Button not found, this usually happens when the device " +
+                    "was left in an unknown state (e.g. Screen turned off)"
+        }
+        button.click()
+        wmHelper.waitForAppTransitionIdle()
+        wmHelper.waitForFullScreenApp(
+                ActivityOptions.DIALOG_THEMED_ACTIVITY_COMPONENT_NAME.toFlickerComponent())
+    }
+    fun dismissDialog(wmHelper: WindowManagerStateHelper) {
+        val dialog = uiDevice.wait(
+                Until.findObject(By.text("Dialog for test")), FIND_TIMEOUT)
+
+        // Pressing back key to dismiss the dialog
+        if (dialog != null) {
+            uiDevice.pressBack()
+            wmHelper.waitForAppTransitionIdle()
+        }
+    }
 }
diff --git a/tests/FlickerTests/src/com/android/server/wm/flicker/ime/LaunchAppShowImeAndDialogThemeAppTest.kt b/tests/FlickerTests/src/com/android/server/wm/flicker/ime/LaunchAppShowImeAndDialogThemeAppTest.kt
new file mode 100644
index 0000000..429541c
--- /dev/null
+++ b/tests/FlickerTests/src/com/android/server/wm/flicker/ime/LaunchAppShowImeAndDialogThemeAppTest.kt
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.wm.flicker.ime
+
+import android.app.Instrumentation
+import android.platform.test.annotations.Presubmit
+import android.view.Surface
+import android.view.WindowManagerPolicyConstants
+import androidx.test.filters.FlakyTest
+import androidx.test.filters.RequiresDevice
+import androidx.test.platform.app.InstrumentationRegistry
+import com.android.server.wm.flicker.FlickerBuilderProvider
+import com.android.server.wm.flicker.FlickerParametersRunnerFactory
+import com.android.server.wm.flicker.FlickerTestParameter
+import com.android.server.wm.flicker.FlickerTestParameterFactory
+import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.server.wm.flicker.helpers.ImeAppAutoFocusHelper
+import com.android.server.wm.traces.common.FlickerComponentName
+import org.junit.FixMethodOrder
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.MethodSorters
+import org.junit.runners.Parameterized
+
+/**
+ * Test IME snapshot mechanism won't apply when transitioning from non-IME focused dialog activity.
+ * To run this test: `atest FlickerTests:LaunchAppShowImeAndDialogThemeAppTest`
+ */
+@RequiresDevice
+@RunWith(Parameterized::class)
+@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+class LaunchAppShowImeAndDialogThemeAppTest(private val testSpec: FlickerTestParameter) {
+    private val instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
+    private val testApp = ImeAppAutoFocusHelper(instrumentation, testSpec.startRotation)
+
+    @FlickerBuilderProvider
+    fun buildFlicker(): FlickerBuilder {
+        return FlickerBuilder(instrumentation).apply {
+            setup {
+                eachRun {
+                    testApp.launchViaIntent(wmHelper)
+                    wmHelper.waitImeShown()
+                    testApp.startDialogThemedActivity(wmHelper)
+                }
+            }
+            teardown {
+                eachRun {
+                    testApp.exit()
+                }
+            }
+            transitions {
+                testApp.dismissDialog(wmHelper)
+            }
+        }
+    }
+
+    /**
+     * Checks that [FlickerComponentName.IME] layer becomes visible during the transition
+     */
+    @FlakyTest(bugId = 215884488)
+    @Test
+    fun imeWindowIsAlwaysVisible() = testSpec.imeWindowIsAlwaysVisible()
+
+    /**
+     * Checks that [FlickerComponentName.IME] layer is visible at the end of the transition
+     */
+    @Presubmit
+    @Test
+    fun imeLayerExistsEnd() {
+        testSpec.assertLayersEnd {
+            this.isVisible(FlickerComponentName.IME)
+        }
+    }
+
+    /**
+     * Checks that [FlickerComponentName.IME_SNAPSHOT] layer is invisible always.
+     */
+    @Presubmit
+    @Test
+    fun imeSnapshotNotVisible() {
+        testSpec.assertLayers {
+            this.isInvisible(FlickerComponentName.IME_SNAPSHOT)
+        }
+    }
+
+    companion object {
+        /**
+         * Creates the test configurations.
+         *
+         * See [FlickerTestParameterFactory.getConfigNonRotationTests] for configuring
+         * repetitions, screen orientation and navigation modes.
+         */
+        @Parameterized.Parameters(name = "{0}")
+        @JvmStatic
+        fun getParams(): Collection<FlickerTestParameter> {
+            return FlickerTestParameterFactory.getInstance()
+                    .getConfigNonRotationTests(
+                            repetitions = 3,
+                            supportedRotations = listOf(Surface.ROTATION_0),
+                            supportedNavigationModes = listOf(
+                                    WindowManagerPolicyConstants.NAV_BAR_MODE_3BUTTON_OVERLAY,
+                                    WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL_OVERLAY
+                            )
+                    )
+        }
+    }
+}
\ No newline at end of file
diff --git a/tests/FlickerTests/src/com/android/server/wm/flicker/ime/ReOpenImeWindowTest.kt b/tests/FlickerTests/src/com/android/server/wm/flicker/ime/ReOpenImeWindowTest.kt
index 0ad0a03..5e06f11 100644
--- a/tests/FlickerTests/src/com/android/server/wm/flicker/ime/ReOpenImeWindowTest.kt
+++ b/tests/FlickerTests/src/com/android/server/wm/flicker/ime/ReOpenImeWindowTest.kt
@@ -18,8 +18,8 @@
 
 import android.app.Instrumentation
 import android.platform.test.annotations.Presubmit
+import android.view.Display
 import android.view.Surface
-import android.view.WindowManagerPolicyConstants
 import androidx.test.filters.FlakyTest
 import androidx.test.filters.RequiresDevice
 import androidx.test.platform.app.InstrumentationRegistry
@@ -41,7 +41,9 @@
 import com.android.server.wm.flicker.statusBarLayerIsVisible
 import com.android.server.wm.flicker.statusBarLayerRotatesScales
 import com.android.server.wm.flicker.statusBarWindowIsVisible
+import com.android.server.wm.traces.common.ConditionList
 import com.android.server.wm.traces.common.FlickerComponentName
+import com.android.server.wm.traces.common.WindowManagerConditionsFactory
 import org.junit.Assume.assumeFalse
 import org.junit.Assume.assumeTrue
 import org.junit.FixMethodOrder
@@ -63,6 +65,12 @@
     private val instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
     private val testApp = ImeAppAutoFocusHelper(instrumentation, testSpec.startRotation)
 
+    private val waitConditionSetup = ConditionList(listOf(
+        WindowManagerConditionsFactory.isAppTransitionIdle(Display.DEFAULT_DISPLAY),
+        WindowManagerConditionsFactory.hasLayersAnimating().negate(),
+        WindowManagerConditionsFactory.isHomeActivityVisible()
+    ))
+
     @FlickerBuilderProvider
     fun buildFlicker(): FlickerBuilder {
         return FlickerBuilder(instrumentation).apply {
@@ -73,8 +81,7 @@
                 }
                 eachRun {
                     device.pressRecentApps()
-                    wmHelper.waitImeGone()
-                    wmHelper.waitForAppTransitionIdle()
+                    wmHelper.waitFor(waitConditionSetup)
                     this.setRotation(testSpec.startRotation)
                 }
             }
@@ -231,11 +238,8 @@
         fun getParams(): Collection<FlickerTestParameter> {
             return FlickerTestParameterFactory.getInstance()
                 .getConfigNonRotationTests(
-                    repetitions = 1,
-                    supportedRotations = listOf(Surface.ROTATION_0),
-                    supportedNavigationModes = listOf(
-                        WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL_OVERLAY
-                    )
+                    repetitions = 5,
+                    supportedRotations = listOf(Surface.ROTATION_0)
                 )
         }
     }
diff --git a/tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppColdTest.kt b/tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppColdTest.kt
index e07a8f9..5450610 100644
--- a/tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppColdTest.kt
+++ b/tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppColdTest.kt
@@ -122,6 +122,11 @@
     @Test
     override fun navBarWindowIsVisible() = super.navBarWindowIsVisible()
 
+    /** {@inheritDoc} */
+    @FlakyTest(bugId = 213852103)
+    @Test
+    override fun entireScreenCovered() = super.entireScreenCovered()
+
     companion object {
         /**
          * Creates the test configurations.
diff --git a/tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppNonResizeableTest.kt b/tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppNonResizeableTest.kt
index 6e5c600..a85dcc5 100644
--- a/tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppNonResizeableTest.kt
+++ b/tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppNonResizeableTest.kt
@@ -127,7 +127,7 @@
      * The `isAppWindowInvisible` step is optional because we log once per frame, upon logging,
      * the window may be visible or not depending on what was processed until that moment.
      */
-    @Presubmit
+    @FlakyTest(bugId = 203538234)
     @Test
     fun appWindowBecomesVisible() {
         testSpec.assertWm {
@@ -240,7 +240,7 @@
      * it cannot use the regular assertion (check over time), because on lock screen neither
      * the app not the launcher are visible, and there is no top visible window.
      */
-    @Presubmit
+    @FlakyTest(bugId = 203538234)
     @Test
     override fun appWindowReplacesLauncherAsTopWindow() {
         testSpec.assertWm {
diff --git a/tests/FlickerTests/test-apps/flickerapp/AndroidManifest.xml b/tests/FlickerTests/test-apps/flickerapp/AndroidManifest.xml
index 0a88f6b..9e371e5 100644
--- a/tests/FlickerTests/test-apps/flickerapp/AndroidManifest.xml
+++ b/tests/FlickerTests/test-apps/flickerapp/AndroidManifest.xml
@@ -97,5 +97,16 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <activity android:name=".DialogThemedActivity"
+            android:taskAffinity="com.android.server.wm.flicker.testapp.DialogThemedActivity"
+            android:configChanges="orientation|screenSize"
+            android:theme="@style/DialogTheme"
+            android:label="DialogThemedActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
     </application>
 </manifest>
diff --git a/tests/FlickerTests/test-apps/flickerapp/res/layout/activity_ime.xml b/tests/FlickerTests/test-apps/flickerapp/res/layout/activity_ime.xml
index 2620ff4..baaf707 100644
--- a/tests/FlickerTests/test-apps/flickerapp/res/layout/activity_ime.xml
+++ b/tests/FlickerTests/test-apps/flickerapp/res/layout/activity_ime.xml
@@ -31,4 +31,9 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="Finish activity" />
+    <Button
+        android:id="@+id/start_dialog_themed_activity_btn"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Start dialog themed activity" />
 </LinearLayout>
diff --git a/tests/FlickerTests/test-apps/flickerapp/res/values/styles.xml b/tests/FlickerTests/test-apps/flickerapp/res/values/styles.xml
index 87a61a8..746b0f4c 100644
--- a/tests/FlickerTests/test-apps/flickerapp/res/values/styles.xml
+++ b/tests/FlickerTests/test-apps/flickerapp/res/values/styles.xml
@@ -27,4 +27,15 @@
     <style name="CutoutNever">
         <item name="android:windowLayoutInDisplayCutoutMode">never</item>
     </style>
-</resources>
\ No newline at end of file
+
+    <style name="DialogTheme" parent="@android:style/Theme.DeviceDefault">
+        <item name="android:windowAnimationStyle">@null</item>
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowBackground">@null</item>
+        <item name="android:windowContentOverlay">@null</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowIsFloating">true</item>
+        <item name="android:backgroundDimEnabled">false</item>
+        <item name="android:windowSoftInputMode">stateUnchanged</item>
+    </style>
+</resources>
diff --git a/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/ActivityOptions.java b/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/ActivityOptions.java
index baf36ab..13adb68 100644
--- a/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/ActivityOptions.java
+++ b/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/ActivityOptions.java
@@ -56,4 +56,8 @@
     public static final ComponentName LAUNCH_NEW_TASK_ACTIVITY_COMPONENT_NAME =
             new ComponentName(FLICKER_APP_PACKAGE,
                     FLICKER_APP_PACKAGE + ".LaunchNewTaskActivity");
+    public static final String DIALOG_THEMED_ACTIVITY = "DialogThemedActivity";
+    public static final ComponentName DIALOG_THEMED_ACTIVITY_COMPONENT_NAME =
+            new ComponentName(FLICKER_APP_PACKAGE,
+                    FLICKER_APP_PACKAGE + ".DialogThemedActivity");
 }
diff --git a/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/DialogThemedActivity.java b/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/DialogThemedActivity.java
new file mode 100644
index 0000000..27606d8
--- /dev/null
+++ b/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/DialogThemedActivity.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.wm.flicker.testapp;
+
+import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
+import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
+import static android.view.WindowManager.LayoutParams.FLAG_DIM_BEHIND;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.view.WindowManager;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+public class DialogThemedActivity extends Activity {
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_simple);
+        getWindow().getDecorView().setBackgroundColor(Color.TRANSPARENT);
+        TextView textView = new TextView(this);
+        textView.setText("This is a test dialog");
+        textView.setTextColor(Color.BLACK);
+        LinearLayout layout = new LinearLayout(this);
+        layout.setBackgroundColor(Color.GREEN);
+        layout.addView(textView);
+
+        // Create a dialog with dialog-themed activity
+        AlertDialog dialog = new AlertDialog.Builder(this)
+                .setView(layout)
+                .setTitle("Dialog for test")
+                .create();
+        final WindowManager.LayoutParams attrs = new WindowManager.LayoutParams(MATCH_PARENT,
+                MATCH_PARENT);
+        attrs.flags = FLAG_DIM_BEHIND | FLAG_ALT_FOCUSABLE_IM;
+        dialog.getWindow().getDecorView().setLayoutParams(attrs);
+        dialog.setCanceledOnTouchOutside(true);
+        dialog.show();
+        dialog.setOnDismissListener((d) -> finish());
+    }
+}
diff --git a/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/ImeActivityAutoFocus.java b/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/ImeActivityAutoFocus.java
index 05da717..bb200f1 100644
--- a/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/ImeActivityAutoFocus.java
+++ b/tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/ImeActivityAutoFocus.java
@@ -16,6 +16,8 @@
 
 package com.android.server.wm.flicker.testapp;
 
+import android.content.Intent;
+import android.widget.Button;
 import android.widget.EditText;
 
 public class ImeActivityAutoFocus extends ImeActivity {
@@ -26,5 +28,9 @@
 
         EditText editTextField = findViewById(R.id.plain_text_input);
         editTextField.requestFocus();
+
+        Button startThemedActivityButton = findViewById(R.id.start_dialog_themed_activity_btn);
+        startThemedActivityButton.setOnClickListener(
+                button -> startActivity(new Intent(this, DialogThemedActivity.class)));
     }
 }
diff --git a/tools/fonts/fontchain_linter.py b/tools/fonts/fontchain_linter.py
index 3131f56..99f77fe 100755
--- a/tools/fonts/fontchain_linter.py
+++ b/tools/fonts/fontchain_linter.py
@@ -54,6 +54,7 @@
     'or': 'Orya',
     'pa': 'Guru',
     'pt': 'Latn',
+    'ru': 'Latn',
     'sk': 'Latn',
     'sl': 'Latn',
     'sq': 'Latn',
diff --git a/tools/lint/checks/src/main/java/com/google/android/lint/AndroidFrameworkIssueRegistry.kt b/tools/lint/checks/src/main/java/com/google/android/lint/AndroidFrameworkIssueRegistry.kt
index 900c214..a6fd9bb 100644
--- a/tools/lint/checks/src/main/java/com/google/android/lint/AndroidFrameworkIssueRegistry.kt
+++ b/tools/lint/checks/src/main/java/com/google/android/lint/AndroidFrameworkIssueRegistry.kt
@@ -31,7 +31,9 @@
             CallingIdentityTokenDetector.ISSUE_RESTORE_IDENTITY_CALL_NOT_IN_FINALLY_BLOCK,
             CallingIdentityTokenDetector.ISSUE_USE_OF_CALLER_AWARE_METHODS_WITH_CLEARED_IDENTITY,
             CallingIdentityTokenDetector.ISSUE_CLEAR_IDENTITY_CALL_NOT_FOLLOWED_BY_TRY_FINALLY,
-            CallingSettingsNonUserGetterMethodsDetector.ISSUE_NON_USER_GETTER_CALLED
+            CallingSettingsNonUserGetterMethodsDetector.ISSUE_NON_USER_GETTER_CALLED,
+            EnforcePermissionDetector.ISSUE_MISSING_ENFORCE_PERMISSION,
+            EnforcePermissionDetector.ISSUE_MISMATCHING_ENFORCE_PERMISSION
     )
 
     override val api: Int
diff --git a/tools/lint/checks/src/main/java/com/google/android/lint/EnforcePermissionDetector.kt b/tools/lint/checks/src/main/java/com/google/android/lint/EnforcePermissionDetector.kt
new file mode 100644
index 0000000..8011b36
--- /dev/null
+++ b/tools/lint/checks/src/main/java/com/google/android/lint/EnforcePermissionDetector.kt
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.android.lint
+
+import com.android.tools.lint.detector.api.AnnotationInfo
+import com.android.tools.lint.detector.api.AnnotationOrigin
+import com.android.tools.lint.detector.api.AnnotationUsageInfo
+import com.android.tools.lint.detector.api.AnnotationUsageType
+import com.android.tools.lint.detector.api.ConstantEvaluator
+import com.android.tools.lint.detector.api.Category
+import com.android.tools.lint.detector.api.Detector
+import com.android.tools.lint.detector.api.Implementation
+import com.android.tools.lint.detector.api.Issue
+import com.android.tools.lint.detector.api.JavaContext
+import com.android.tools.lint.detector.api.Scope
+import com.android.tools.lint.detector.api.Severity
+import com.android.tools.lint.detector.api.SourceCodeScanner
+import com.intellij.psi.PsiAnnotation
+import com.intellij.psi.PsiClass
+import com.intellij.psi.PsiMethod
+import org.jetbrains.uast.UElement
+
+/**
+ * Lint Detector that ensures that any method overriding a method annotated
+ * with @EnforcePermission is also annotated with the exact same annotation.
+ * The intent is to surface the effective permission checks to the service
+ * implementations.
+ */
+class EnforcePermissionDetector : Detector(), SourceCodeScanner {
+
+    val ENFORCE_PERMISSION = "android.annotation.EnforcePermission"
+
+    override fun applicableAnnotations(): List<String> {
+        return listOf(ENFORCE_PERMISSION)
+    }
+
+    private fun areAnnotationsEquivalent(
+        context: JavaContext,
+        anno1: PsiAnnotation,
+        anno2: PsiAnnotation
+    ): Boolean {
+        if (anno1.qualifiedName != anno2.qualifiedName) {
+            return false
+        }
+        val attr1 = anno1.parameterList.attributes
+        val attr2 = anno2.parameterList.attributes
+        if (attr1.size != attr2.size) {
+            return false
+        }
+        for (i in attr1.indices) {
+            if (attr1[i].name != attr2[i].name) {
+                return false
+            }
+            val v1 = ConstantEvaluator.evaluate(context, attr1[i].value)
+            val v2 = ConstantEvaluator.evaluate(context, attr2[i].value)
+            if (v1 != v2) {
+                return false
+            }
+        }
+        return true
+    }
+
+    override fun visitAnnotationUsage(
+        context: JavaContext,
+        element: UElement,
+        annotationInfo: AnnotationInfo,
+        usageInfo: AnnotationUsageInfo
+    ) {
+        if (usageInfo.type == AnnotationUsageType.EXTENDS) {
+            val newClass = element.sourcePsi?.parent?.parent as PsiClass
+            val extendedClass: PsiClass = usageInfo.referenced as PsiClass
+            val newAnnotation = newClass.getAnnotation(ENFORCE_PERMISSION)
+            val extendedAnnotation = extendedClass.getAnnotation(ENFORCE_PERMISSION)!!
+
+            val location = context.getLocation(element)
+            val newClassName = newClass.qualifiedName
+            val extendedClassName = extendedClass.qualifiedName
+            if (newAnnotation == null) {
+                val msg = "The class $newClassName extends the class $extendedClassName which " +
+                    "is annotated with @EnforcePermission. The same annotation must be used " +
+                    "on $newClassName."
+                context.report(ISSUE_MISSING_ENFORCE_PERMISSION, element, location, msg)
+            } else if (!areAnnotationsEquivalent(context, newAnnotation, extendedAnnotation)) {
+                val msg = "The class $newClassName is annotated with ${newAnnotation.text} " +
+                    "which differs from the parent class $extendedClassName: " +
+                    "${extendedAnnotation.text}. The same annotation must be used for " +
+                    "both classes."
+                context.report(ISSUE_MISMATCHING_ENFORCE_PERMISSION, element, location, msg)
+            }
+        } else if (usageInfo.type == AnnotationUsageType.METHOD_OVERRIDE &&
+            annotationInfo.origin == AnnotationOrigin.METHOD) {
+            val overridingMethod = element.sourcePsi as PsiMethod
+            val overriddenMethod = usageInfo.referenced as PsiMethod
+            val overridingAnnotation = overridingMethod.getAnnotation(ENFORCE_PERMISSION)
+            val overriddenAnnotation = overriddenMethod.getAnnotation(ENFORCE_PERMISSION)!!
+
+            val location = context.getLocation(element)
+            val overridingClass = overridingMethod.parent as PsiClass
+            val overriddenClass = overriddenMethod.parent as PsiClass
+            val overridingName = "${overridingClass.name}.${overridingMethod.name}"
+            val overriddenName = "${overriddenClass.name}.${overriddenMethod.name}"
+            if (overridingAnnotation == null) {
+                val msg = "The method $overridingName overrides the method $overriddenName which " +
+                    "is annotated with @EnforcePermission. The same annotation must be used " +
+                    "on $overridingName"
+                context.report(ISSUE_MISSING_ENFORCE_PERMISSION, element, location, msg)
+            } else if (!areAnnotationsEquivalent(
+                        context, overridingAnnotation, overriddenAnnotation)) {
+                val msg = "The method $overridingName is annotated with " +
+                    "${overridingAnnotation.text} which differs from the overridden " +
+                    "method $overriddenName: ${overriddenAnnotation.text}. The same " +
+                    "annotation must be used for both methods."
+                context.report(ISSUE_MISMATCHING_ENFORCE_PERMISSION, element, location, msg)
+            }
+        }
+    }
+
+    companion object {
+        val EXPLANATION = """
+            The @EnforcePermission annotation is used to indicate that the underlying binder code
+            has already verified the caller's permissions before calling the appropriate method. The
+            verification code is usually generated by the AIDL compiler, which also takes care of
+            annotating the generated Java code.
+
+            In order to surface that information to platform developers, the same annotation must be
+            used on the implementation class or methods.
+            """
+
+        val ISSUE_MISSING_ENFORCE_PERMISSION: Issue = Issue.create(
+            id = "MissingEnforcePermissionAnnotation",
+            briefDescription = "Missing @EnforcePermission annotation on Binder method",
+            explanation = EXPLANATION,
+            category = Category.SECURITY,
+            priority = 6,
+            severity = Severity.ERROR,
+            implementation = Implementation(
+                    EnforcePermissionDetector::class.java,
+                    Scope.JAVA_FILE_SCOPE
+            )
+        )
+
+        val ISSUE_MISMATCHING_ENFORCE_PERMISSION: Issue = Issue.create(
+            id = "MismatchingEnforcePermissionAnnotation",
+            briefDescription = "Incorrect @EnforcePermission annotation on Binder method",
+            explanation = EXPLANATION,
+            category = Category.SECURITY,
+            priority = 6,
+            severity = Severity.ERROR,
+            implementation = Implementation(
+                    EnforcePermissionDetector::class.java,
+                    Scope.JAVA_FILE_SCOPE
+            )
+        )
+    }
+}
diff --git a/tools/lint/checks/src/test/java/com/google/android/lint/EnforcePermissionDetectorTest.kt b/tools/lint/checks/src/test/java/com/google/android/lint/EnforcePermissionDetectorTest.kt
new file mode 100644
index 0000000..f5f4ebe
--- /dev/null
+++ b/tools/lint/checks/src/test/java/com/google/android/lint/EnforcePermissionDetectorTest.kt
@@ -0,0 +1,202 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.android.lint
+
+import com.android.tools.lint.checks.infrastructure.LintDetectorTest
+import com.android.tools.lint.checks.infrastructure.TestFile
+import com.android.tools.lint.checks.infrastructure.TestLintTask
+import com.android.tools.lint.detector.api.Detector
+import com.android.tools.lint.detector.api.Issue
+
+@Suppress("UnstableApiUsage")
+class EnforcePermissionDetectorTest : LintDetectorTest() {
+    override fun getDetector(): Detector = EnforcePermissionDetector()
+
+    override fun getIssues(): List<Issue> = listOf(
+            EnforcePermissionDetector.ISSUE_MISSING_ENFORCE_PERMISSION,
+            EnforcePermissionDetector.ISSUE_MISMATCHING_ENFORCE_PERMISSION
+    )
+
+    override fun lint(): TestLintTask = super.lint().allowMissingSdk(true)
+
+    fun testDoesNotDetectIssuesCorrectAnnotationOnClass() {
+        lint().files(java(
+            """
+            package test.pkg;
+            @android.annotation.EnforcePermission(android.Manifest.permission.READ_PHONE_STATE)
+            public class TestClass1 extends IFoo.Stub {
+                public void testMethod() {}
+            }
+            """).indented(),
+                *stubs
+        )
+        .run()
+        .expectClean()
+    }
+
+    fun testDoesNotDetectIssuesCorrectAnnotationOnMethod() {
+        lint().files(java(
+            """
+            package test.pkg;
+            import android.annotation.EnforcePermission;
+            public class TestClass2 extends IFooMethod.Stub {
+                @Override
+                @EnforcePermission(android.Manifest.permission.READ_PHONE_STATE)
+                public void testMethod() {}
+            }
+            """).indented(),
+                *stubs
+        )
+        .run()
+        .expectClean()
+    }
+
+    fun testDetectIssuesMismatchingAnnotationOnClass() {
+        lint().files(java(
+            """
+            package test.pkg;
+            @android.annotation.EnforcePermission(android.Manifest.permission.INTERNET)
+            public class TestClass3 extends IFoo.Stub {
+                public void testMethod() {}
+            }
+            """).indented(),
+                *stubs
+        )
+        .run()
+        .expect("""src/test/pkg/TestClass3.java:3: Error: The class test.pkg.TestClass3 is \
+annotated with @android.annotation.EnforcePermission(android.Manifest.permission.INTERNET) \
+which differs from the parent class IFoo.Stub: \
+@android.annotation.EnforcePermission(android.Manifest.permission.READ_PHONE_STATE). The \
+same annotation must be used for both classes. [MismatchingEnforcePermissionAnnotation]
+public class TestClass3 extends IFoo.Stub {
+                                ~~~~~~~~~
+1 errors, 0 warnings""".addLineContinuation())
+    }
+
+    fun testDetectIssuesMismatchingAnnotationOnMethod() {
+        lint().files(java(
+            """
+            package test.pkg;
+            public class TestClass4 extends IFooMethod.Stub {
+                @android.annotation.EnforcePermission(android.Manifest.permission.INTERNET)
+                public void testMethod() {}
+            }
+            """).indented(),
+                *stubs
+        )
+        .run()
+        .expect("""src/test/pkg/TestClass4.java:4: Error: The method TestClass4.testMethod is \
+annotated with @android.annotation.EnforcePermission(android.Manifest.permission.INTERNET) \
+which differs from the overridden method Stub.testMethod: \
+@android.annotation.EnforcePermission(android.Manifest.permission.READ_PHONE_STATE). The same \
+annotation must be used for both methods. [MismatchingEnforcePermissionAnnotation]
+    public void testMethod() {}
+                ~~~~~~~~~~
+1 errors, 0 warnings""".addLineContinuation())
+    }
+
+    fun testDetectIssuesMissingAnnotationOnClass() {
+        lint().files(java(
+            """
+            package test.pkg;
+            public class TestClass5 extends IFoo.Stub {
+                public void testMethod() {}
+            }
+            """).indented(),
+                *stubs
+        )
+        .run()
+        .expect("""src/test/pkg/TestClass5.java:2: Error: The class test.pkg.TestClass5 extends \
+the class IFoo.Stub which is annotated with @EnforcePermission. The same annotation must be \
+used on test.pkg.TestClass5. [MissingEnforcePermissionAnnotation]
+public class TestClass5 extends IFoo.Stub {
+                                ~~~~~~~~~
+1 errors, 0 warnings""".addLineContinuation())
+    }
+
+    fun testDetectIssuesMissingAnnotationOnMethod() {
+        lint().files(java(
+            """
+            package test.pkg;
+            public class TestClass6 extends IFooMethod.Stub {
+                public void testMethod() {}
+            }
+            """).indented(),
+                *stubs
+        )
+        .run()
+        .expect("""src/test/pkg/TestClass6.java:3: Error: The method TestClass6.testMethod \
+overrides the method Stub.testMethod which is annotated with @EnforcePermission. The same \
+annotation must be used on TestClass6.testMethod [MissingEnforcePermissionAnnotation]
+    public void testMethod() {}
+                ~~~~~~~~~~
+1 errors, 0 warnings""".addLineContinuation())
+    }
+
+    /* Stubs */
+
+    private val interfaceIFooStub: TestFile = java(
+        """
+        @android.annotation.EnforcePermission(android.Manifest.permission.READ_PHONE_STATE)
+        public interface IFoo {
+         @android.annotation.EnforcePermission(android.Manifest.permission.READ_PHONE_STATE)
+         public static abstract class Stub implements IFoo {
+           @Override
+           public void testMethod() {}
+         }
+         public void testMethod();
+        }
+        """
+    ).indented()
+
+    private val interfaceIFooMethodStub: TestFile = java(
+        """
+        public interface IFooMethod {
+         public static abstract class Stub implements IFooMethod {
+            @Override
+            @android.annotation.EnforcePermission(android.Manifest.permission.READ_PHONE_STATE)
+            public void testMethod() {}
+          }
+          @android.annotation.EnforcePermission(android.Manifest.permission.READ_PHONE_STATE)
+          public void testMethod();
+        }
+        """
+    ).indented()
+
+    private val manifestPermissionStub: TestFile = java(
+        """
+        package android.Manifest;
+        class permission {
+          public static final String READ_PHONE_STATE = "android.permission.READ_PHONE_STATE";
+          public static final String INTERNET = "android.permission.INTERNET";
+        }
+        """
+    ).indented()
+
+    private val enforcePermissionAnnotationStub: TestFile = java(
+        """
+        package android.annotation;
+        public @interface EnforcePermission {}
+        """
+    ).indented()
+
+    private val stubs = arrayOf(interfaceIFooStub, interfaceIFooMethodStub,
+            manifestPermissionStub, enforcePermissionAnnotationStub)
+
+    // Substitutes "backslash + new line" with an empty string to imitate line continuation
+    private fun String.addLineContinuation(): String = this.trimIndent().replace("\\\n", "")
+}
diff --git a/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java b/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java
index 3b75660..459696e 100644
--- a/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java
+++ b/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java
@@ -1262,6 +1262,26 @@
     }
 
     /**
+     * Notifies the wificond daemon that the WiFi framework has successfully updated the Country
+     * Code of the driver. The wificond daemon needs this notification if the device does not
+     * support the NL80211_CMD_REG_CHANGED (otherwise it will find out on its own). The wificond
+     * updates in internal state in response to this Country Code update.
+     *
+     * @return true on success, false otherwise.
+     */
+    public boolean notifyCountryCodeChanged() {
+        try {
+            if (mWificond != null) {
+                mWificond.notifyCountryCodeChanged();
+                return true;
+            }
+        } catch (RemoteException e1) {
+            Log.e(TAG, "Failed to notify country code changed due to remote exception");
+        }
+        return false;
+    }
+
+    /**
      * Register the provided callback handler for SoftAp events. The interface must first be created
      * using {@link #setupInterfaceForSoftApMode(String)}. The callback registration is valid until
      * the interface is deleted using {@link #tearDownSoftApInterface(String)} (no deregistration
diff --git a/wifi/tests/src/android/net/wifi/nl80211/WifiNl80211ManagerTest.java b/wifi/tests/src/android/net/wifi/nl80211/WifiNl80211ManagerTest.java
index 3fb2301..4032a7b 100644
--- a/wifi/tests/src/android/net/wifi/nl80211/WifiNl80211ManagerTest.java
+++ b/wifi/tests/src/android/net/wifi/nl80211/WifiNl80211ManagerTest.java
@@ -1137,6 +1137,26 @@
         assertEquals(capaExpected, capaActual);
     }
 
+    /**
+     * Tests notifyCountryCodeChanged
+     */
+    @Test
+    public void testNotifyCountryCodeChanged() throws Exception {
+        doNothing().when(mWificond).notifyCountryCodeChanged();
+        assertTrue(mWificondControl.notifyCountryCodeChanged());
+        verify(mWificond).notifyCountryCodeChanged();
+    }
+
+    /**
+     * Tests notifyCountryCodeChanged with RemoteException
+     */
+    @Test
+    public void testNotifyCountryCodeChangedRemoteException() throws Exception {
+        doThrow(new RemoteException()).when(mWificond).notifyCountryCodeChanged();
+        assertFalse(mWificondControl.notifyCountryCodeChanged());
+        verify(mWificond).notifyCountryCodeChanged();
+    }
+
     // Create a ArgumentMatcher which captures a SingleScanSettings parameter and checks if it
     // matches the provided frequency set and ssid set.
     private class ScanMatcher implements ArgumentMatcher<SingleScanSettings> {