Merge "split packagemanager_aidl from libbinder_aidl"
diff --git a/StubLibraries.bp b/StubLibraries.bp
index fd614a7e3..6316c4a 100644
--- a/StubLibraries.bp
+++ b/StubLibraries.bp
@@ -434,6 +434,7 @@
         "core/java/android/os/RemoteException.java",
         "core/java/android/util/AndroidException.java",
     ],
+    libs: ["framework-annotations-lib"],
     installable: false,
     sdk_version: "core_platform",
     annotations_enabled: true,
@@ -447,7 +448,7 @@
 java_library_static {
     name: "hwbinder.stubs",
     sdk_version: "core_current",
-    libs: ["stub-annotations"],
+    libs: ["framework-annotations-lib"],
     srcs: [
         ":hwbinder-stubs-docs",
     ],
diff --git a/core/api/current.txt b/core/api/current.txt
index 4ba49a3..ef06785 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -12139,6 +12139,7 @@
     field public static final String FEATURE_FINGERPRINT = "android.hardware.fingerprint";
     field public static final String FEATURE_FREEFORM_WINDOW_MANAGEMENT = "android.software.freeform_window_management";
     field public static final String FEATURE_GAMEPAD = "android.hardware.gamepad";
+    field public static final String FEATURE_HARDWARE_KEYSTORE = "android.hardware.hardware_keystore";
     field public static final String FEATURE_HIFI_SENSORS = "android.hardware.sensor.hifi_sensors";
     field public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
     field public static final String FEATURE_IDENTITY_CREDENTIAL_HARDWARE = "android.hardware.identity_credential";
@@ -20589,7 +20590,7 @@
     method public long getPresentationTimeUs();
   }
 
-  public class MediaCodec.ParameterDescriptor {
+  public static class MediaCodec.ParameterDescriptor {
     method @NonNull public String getName();
     method public int getType();
   }
@@ -33600,7 +33601,7 @@
     field public static final String ACTION_LOCATION_SOURCE_SETTINGS = "android.settings.LOCATION_SOURCE_SETTINGS";
     field public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS = "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
     field public static final String ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION = "android.settings.MANAGE_ALL_FILES_ACCESS_PERMISSION";
-    field public static final String ACTION_MANAGE_ALL_SUBSCRIPTIONS_SETTINGS = "android.settings.MANAGE_ALL_SUBSCRIPTIONS_SETTINGS";
+    field public static final String ACTION_MANAGE_ALL_SIM_PROFILES_SETTINGS = "android.settings.MANAGE_ALL_SIM_PROFILES_SETTINGS";
     field public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS = "android.settings.MANAGE_APPLICATIONS_SETTINGS";
     field public static final String ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION = "android.settings.MANAGE_APP_ALL_FILES_ACCESS_PERMISSION";
     field public static final String ACTION_MANAGE_DEFAULT_APPS_SETTINGS = "android.settings.MANAGE_DEFAULT_APPS_SETTINGS";
diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index ee53be5..3b7a617 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -50,7 +50,6 @@
     method @NonNull public static String blockedReasonsToString(int);
     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);
-    method public static boolean isUidBlocked(int, boolean);
     method @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY) public boolean isUidNetworkingBlocked(int, boolean);
     method @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY) public boolean isUidRestrictedOnMeteredNetworks(int);
     method @RequiresPermission(android.Manifest.permission.OBSERVE_NETWORK_POLICY) public void registerNetworkPolicyCallback(@Nullable java.util.concurrent.Executor, @NonNull android.net.NetworkPolicyManager.NetworkPolicyCallback);
diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 5df9708..4676523 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -161,6 +161,7 @@
     field public static final String OBSERVE_NETWORK_POLICY = "android.permission.OBSERVE_NETWORK_POLICY";
     field public static final String OBSERVE_ROLE_HOLDERS = "android.permission.OBSERVE_ROLE_HOLDERS";
     field public static final String OPEN_ACCESSIBILITY_DETAILS_SETTINGS = "android.permission.OPEN_ACCESSIBILITY_DETAILS_SETTINGS";
+    field public static final String OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD = "android.permission.OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD";
     field public static final String OVERRIDE_WIFI_CONFIG = "android.permission.OVERRIDE_WIFI_CONFIG";
     field public static final String PACKAGE_VERIFICATION_AGENT = "android.permission.PACKAGE_VERIFICATION_AGENT";
     field public static final String PACKET_KEEPALIVE_OFFLOAD = "android.permission.PACKET_KEEPALIVE_OFFLOAD";
@@ -1125,6 +1126,21 @@
     method public static boolean isChangeEnabled(long);
     method @RequiresPermission(allOf={"android.permission.READ_COMPAT_CHANGE_CONFIG", "android.permission.LOG_COMPAT_CHANGE"}) public static boolean isChangeEnabled(long, @NonNull String, @NonNull android.os.UserHandle);
     method @RequiresPermission(allOf={"android.permission.READ_COMPAT_CHANGE_CONFIG", "android.permission.LOG_COMPAT_CHANGE"}) public static boolean isChangeEnabled(long, int);
+    method @RequiresPermission(android.Manifest.permission.OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD) public static void setPackageOverride(@NonNull String, @NonNull java.util.Map<java.lang.Long,android.app.compat.PackageOverride>);
+  }
+
+  public final class PackageOverride {
+    method public long getMaxVersionCode();
+    method public long getMinVersionCode();
+    method public boolean isEnabled();
+  }
+
+  public static final class PackageOverride.Builder {
+    ctor public PackageOverride.Builder();
+    method @NonNull public android.app.compat.PackageOverride build();
+    method @NonNull public android.app.compat.PackageOverride.Builder setEnabled(boolean);
+    method @NonNull public android.app.compat.PackageOverride.Builder setMaxVersionCode(long);
+    method @NonNull public android.app.compat.PackageOverride.Builder setMinVersionCode(long);
   }
 
 }
@@ -1533,7 +1549,6 @@
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH_ADMIN) public boolean disconnect(android.bluetooth.BluetoothDevice);
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) public int getConnectionPolicy(@NonNull android.bluetooth.BluetoothDevice);
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) public boolean setConnectionPolicy(@NonNull android.bluetooth.BluetoothDevice, int);
-    method @Deprecated @RequiresPermission(android.Manifest.permission.BLUETOOTH_ADMIN) public boolean setPriority(android.bluetooth.BluetoothDevice, int);
   }
 
   public final class BluetoothHearingAid implements android.bluetooth.BluetoothProfile {
@@ -10687,11 +10702,11 @@
 
   public final class EpsBearerQosSessionAttributes implements android.os.Parcelable android.net.QosSessionAttributes {
     method public int describeContents();
-    method public long getGuaranteedDownlinkBitRate();
-    method public long getGuaranteedUplinkBitRate();
-    method public long getMaxDownlinkBitRate();
-    method public long getMaxUplinkBitRate();
-    method public int getQci();
+    method public long getGuaranteedDownlinkBitRateKbps();
+    method public long getGuaranteedUplinkBitRateKbps();
+    method public long getMaxDownlinkBitRateKbps();
+    method public long getMaxUplinkBitRateKbps();
+    method public int getQosIdentifier();
     method @NonNull public java.util.List<java.net.InetSocketAddress> getRemoteAddresses();
     method public void writeToParcel(@NonNull android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.telephony.data.EpsBearerQosSessionAttributes> CREATOR;
@@ -10699,13 +10714,13 @@
 
   public final class NrQosSessionAttributes implements android.os.Parcelable android.net.QosSessionAttributes {
     method public int describeContents();
-    method public int get5Qi();
-    method public long getAveragingWindow();
-    method public long getGuaranteedDownlinkBitRate();
-    method public long getGuaranteedUplinkBitRate();
-    method public long getMaxDownlinkBitRate();
-    method public long getMaxUplinkBitRate();
-    method public int getQfi();
+    method @NonNull public java.time.Duration getBitRateWindowDuration();
+    method public long getGuaranteedDownlinkBitRateKbps();
+    method public long getGuaranteedUplinkBitRateKbps();
+    method public long getMaxDownlinkBitRateKbps();
+    method public long getMaxUplinkBitRateKbps();
+    method @IntRange(from=1, to=63) public int getQosFlowIdentifier();
+    method public int getQosIdentifier();
     method @NonNull public java.util.List<java.net.InetSocketAddress> getRemoteAddresses();
     method public void writeToParcel(@NonNull android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.telephony.data.NrQosSessionAttributes> CREATOR;
@@ -12440,7 +12455,7 @@
 package android.uwb {
 
   public final class AngleMeasurement implements android.os.Parcelable {
-    ctor public AngleMeasurement(double, double, double);
+    ctor public AngleMeasurement(@FloatRange(from=-3.141592653589793, to=3.141592653589793) double, @FloatRange(from=0.0, to=3.141592653589793) double, @FloatRange(from=0.0, to=1.0) double);
     method public int describeContents();
     method @FloatRange(from=0.0, to=1.0) public double getConfidenceLevel();
     method @FloatRange(from=0.0, to=3.141592653589793) public double getErrorRadians();
diff --git a/core/api/system-removed.txt b/core/api/system-removed.txt
index 0c02c43..8895494 100644
--- a/core/api/system-removed.txt
+++ b/core/api/system-removed.txt
@@ -48,6 +48,14 @@
 
 }
 
+package android.bluetooth {
+
+  public final class BluetoothHeadset implements android.bluetooth.BluetoothProfile {
+    method @Deprecated @RequiresPermission(android.Manifest.permission.BLUETOOTH_ADMIN) public boolean setPriority(android.bluetooth.BluetoothDevice, int);
+  }
+
+}
+
 package android.content {
 
   public class Intent implements java.lang.Cloneable android.os.Parcelable {
diff --git a/core/java/android/app/compat/CompatChanges.java b/core/java/android/app/compat/CompatChanges.java
index ab38832..74e1ece 100644
--- a/core/java/android/app/compat/CompatChanges.java
+++ b/core/java/android/app/compat/CompatChanges.java
@@ -104,16 +104,15 @@
      *
      * @param packageName The package name of the app in question.
      * @param overrides A map from changeId to the override applied for this change id.
-     * @hide
      */
-    @RequiresPermission(android.Manifest.permission.OVERRIDE_COMPAT_CHANGE_CONFIG)
-    public static void setPackageOverride(String packageName,
-            Map<Long, PackageOverride> overrides) {
+    @RequiresPermission(android.Manifest.permission.OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD)
+    public static void setPackageOverride(@NonNull String packageName,
+            @NonNull Map<Long, PackageOverride> overrides) {
         IPlatformCompat platformCompat = IPlatformCompat.Stub.asInterface(
                 ServiceManager.getService(Context.PLATFORM_COMPAT_SERVICE));
         CompatibilityOverrideConfig config = new CompatibilityOverrideConfig(overrides);
         try {
-            platformCompat.setOverridesFromInstaller(config, packageName);
+            platformCompat.setOverridesOnReleaseBuilds(config, packageName);
         } catch (RemoteException e) {
             e.rethrowFromSystemServer();
         }
diff --git a/core/java/android/app/compat/PackageOverride.java b/core/java/android/app/compat/PackageOverride.java
index 9f97cd4..59b3555 100644
--- a/core/java/android/app/compat/PackageOverride.java
+++ b/core/java/android/app/compat/PackageOverride.java
@@ -17,8 +17,9 @@
 package android.app.compat;
 
 import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
 import android.os.Parcel;
-import android.os.Parcelable;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -32,15 +33,16 @@
  *
  * @hide
  */
-public class PackageOverride implements Parcelable {
+@SystemApi
+public final class PackageOverride {
 
+    /** @hide */
     @IntDef({
             VALUE_UNDEFINED,
             VALUE_ENABLED,
             VALUE_DISABLED
     })
     @Retention(RetentionPolicy.SOURCE)
-    /** @hide */
     public @interface EvaluatedOverride {
     }
 
@@ -75,10 +77,6 @@
         this.mEnabled = enabled;
     }
 
-    private PackageOverride(Parcel in) {
-        this(in.readLong(), in.readLong(), in.readBoolean());
-    }
-
     /**
      * Evaluate the override for the given {@code versionCode}. If no override is defined for
      * the specified version code, {@link #VALUE_UNDEFINED} is returned.
@@ -114,25 +112,23 @@
     }
 
     /** Returns the enabled value for the override. */
-    public boolean getEnabled() {
+    public boolean isEnabled() {
         return mEnabled;
     }
 
     /** @hide */
-    @Override
-    public int describeContents() {
-        return 0;
-    }
-
-    /** @hide */
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
+    public void writeToParcel(Parcel dest) {
         dest.writeLong(mMinVersionCode);
         dest.writeLong(mMaxVersionCode);
         dest.writeBoolean(mEnabled);
     }
 
     /** @hide */
+    public static PackageOverride createFromParcel(Parcel in) {
+        return new PackageOverride(in.readLong(), in.readLong(), in.readBoolean());
+    }
+
+    /** @hide */
     @Override
     public String toString() {
         if (mMinVersionCode == Long.MIN_VALUE && mMaxVersionCode == Long.MAX_VALUE) {
@@ -141,25 +137,10 @@
         return String.format("[%d,%d,%b]", mMinVersionCode, mMaxVersionCode, mEnabled);
     }
 
-    /** @hide */
-    public static final Creator<PackageOverride> CREATOR =
-            new Creator<PackageOverride>() {
-
-                @Override
-                public PackageOverride createFromParcel(Parcel in) {
-                    return new PackageOverride(in);
-                }
-
-                @Override
-                public PackageOverride[] newArray(int size) {
-                    return new PackageOverride[size];
-                }
-            };
-
     /**
      * Builder to construct a PackageOverride.
      */
-    public static class Builder {
+    public static final class Builder {
         private long mMinVersionCode = Long.MIN_VALUE;
         private long mMaxVersionCode = Long.MAX_VALUE;
         private boolean mEnabled;
@@ -169,6 +150,7 @@
          *
          * default value: {@code Long.MIN_VALUE}.
          */
+        @NonNull
         public Builder setMinVersionCode(long minVersionCode) {
             mMinVersionCode = minVersionCode;
             return this;
@@ -179,6 +161,7 @@
          *
          * default value: {@code Long.MAX_VALUE}.
          */
+        @NonNull
         public Builder setMaxVersionCode(long maxVersionCode) {
             mMaxVersionCode = maxVersionCode;
             return this;
@@ -189,6 +172,7 @@
          *
          * default value: {@code false}.
          */
+        @NonNull
         public Builder setEnabled(boolean enabled) {
             mEnabled = enabled;
             return this;
@@ -200,6 +184,7 @@
          * @throws IllegalArgumentException if {@code minVersionCode} is larger than
          *                                  {@code maxVersionCode}.
          */
+        @NonNull
         public PackageOverride build() {
             if (mMinVersionCode > mMaxVersionCode) {
                 throw new IllegalArgumentException("minVersionCode must not be larger than "
diff --git a/core/java/android/bluetooth/BluetoothHeadset.java b/core/java/android/bluetooth/BluetoothHeadset.java
index 4fb5577..632572d 100644
--- a/core/java/android/bluetooth/BluetoothHeadset.java
+++ b/core/java/android/bluetooth/BluetoothHeadset.java
@@ -567,6 +567,7 @@
      * @return true if priority is set, false on error
      * @hide
      * @deprecated Replaced with {@link #setConnectionPolicy(BluetoothDevice, int)}
+     * @removed
      */
     @Deprecated
     @SystemApi
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 7e17256..23f5e3a 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -3167,8 +3167,57 @@
     public static final String FEATURE_VR_HEADTRACKING = "android.hardware.vr.headtracking";
 
     /**
-     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
-     * The device has a StrongBox hardware-backed Keystore.
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature(String, int)}: If this feature is supported, the device implements
+     * the Android Keystore backed by an isolated execution environment. The version indicates
+     * which features are implemented in the isolated execution environment:
+     * <ul>
+     * <li>100: Hardware support for ECDH (see {@link javax.crypto.KeyAgreement}) and support
+     * for app-generated attestation keys (see {@link
+     * android.security.keystore.KeyGenParameterSpec.Builder#setAttestKeyAlias(String)}).
+     * <li>41: Hardware enforcement of device-unlocked keys (see {@link
+     * android.security.keystore.KeyGenParameterSpec.Builder#setUnlockedDeviceRequired(boolean)}).
+     * <li>40: Support for wrapped key import (see {@link
+     * android.security.keystore.WrappedKeyEntry}), optional support for ID attestation (see {@link
+     * android.security.keystore.KeyGenParameterSpec.Builder#setDevicePropertiesAttestationIncluded(boolean)}),
+     * attestation (see {@link
+     * android.security.keystore.KeyGenParameterSpec.Builder#setAttestationChallenge(byte[])}),
+     * AES, HMAC, ECDSA and RSA support where the secret or private key never leaves secure
+     * hardware, and support for requiring user authentication before a key can be used.
+     * </ul>
+     * This feature version is guaranteed to be set for all devices launching with Android 12 and
+     * may be set on devices launching with an earlier version. If the feature version is set, it
+     * will at least have the value 40. If it's not set the device may have a version of
+     * hardware-backed keystore but it may not support all features listed above.
+     */
+    @SdkConstant(SdkConstantType.FEATURE)
+    public static final String FEATURE_HARDWARE_KEYSTORE = "android.hardware.hardware_keystore";
+
+    /**
+     * Feature for {@link #getSystemAvailableFeatures}, {@link #hasSystemFeature(String)}, and
+     * {@link #hasSystemFeature(String, int)}: If this feature is supported, the device implements
+     * the Android Keystore backed by a dedicated secure processor referred to as
+     * <a href="https://source.android.com/security/best-practices/hardware#strongbox-keymaster">
+     * StrongBox</a>. If this feature has a version, the version number indicates which features are
+     * implemented in StrongBox:
+     * <ul>
+     * <li>100: Hardware support for ECDH (see {@link javax.crypto.KeyAgreement}) and support
+     * for app-generated attestation keys (see {@link
+     * android.security.keystore.KeyGenParameterSpec.Builder#setAttestKeyAlias(String)}).
+     * <li>41: Hardware enforcement of device-unlocked keys (see {@link
+     * android.security.keystore.KeyGenParameterSpec.Builder#setUnlockedDeviceRequired(boolean)}).
+     * <li>40: Support for wrapped key import (see {@link
+     * android.security.keystore.WrappedKeyEntry}), optional support for ID attestation (see {@link
+     * android.security.keystore.KeyGenParameterSpec.Builder#setDevicePropertiesAttestationIncluded(boolean)}),
+     * attestation (see {@link
+     * android.security.keystore.KeyGenParameterSpec.Builder#setAttestationChallenge(byte[])}),
+     * AES, HMAC, ECDSA and RSA support where the secret or private key never leaves secure
+     * hardware, and support for requiring user authentication before a key can be used.
+     * </ul>
+     * If a device has StrongBox, this feature version number is guaranteed to be set for all
+     * devices launching with Android 12 and may be set on devices launching with an earlier
+     * version. If the feature version is set, it will at least have the value 40. If it's not
+     * set the device may have StrongBox but it may not support all features listed above.
      */
     @SdkConstant(SdkConstantType.FEATURE)
     public static final String FEATURE_STRONGBOX_KEYSTORE =
diff --git a/core/java/android/net/NetworkPolicyManager.java b/core/java/android/net/NetworkPolicyManager.java
index 40fbfbb..68606ec 100644
--- a/core/java/android/net/NetworkPolicyManager.java
+++ b/core/java/android/net/NetworkPolicyManager.java
@@ -18,7 +18,6 @@
 
 import static android.app.ActivityManager.procStateToString;
 import static android.content.pm.PackageManager.GET_SIGNATURES;
-import static android.net.ConnectivityManager.BLOCKED_REASON_NONE;
 
 import android.annotation.IntDef;
 import android.annotation.NonNull;
@@ -204,9 +203,6 @@
     })
     public @interface SubscriptionOverrideMask {}
 
-    /** @hide */
-    public static final int BLOCKED_METERED_REASON_MASK = 0xffff0000;
-
     /**
      * Flag to indicate that app is not exempt from any network restrictions.
      *
@@ -789,36 +785,6 @@
     }
 
     /**
-     * Returns whether network access of an UID is blocked or not based on {@code blockedReasons}
-     * corresponding to it.
-     *
-     * {@code blockedReasons} would be a bitwise {@code OR} combination of the
-     * {@code BLOCKED_REASON_*} and/or {@code BLOCKED_METERED_REASON_*} constants.
-     *
-     * @param blockedReasons Value indicating the reasons for why the network access of an UID is
-     *                       blocked. If the value is equal to
-     *                       {@link ConnectivityManager#BLOCKED_REASON_NONE}, then
-     *                       it indicates that an app's network access is not blocked.
-     * @param meteredNetwork Value indicating whether the network is metered or not.
-     * @return Whether network access is blocked or not.
-     * @hide
-     */
-    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
-    public static boolean isUidBlocked(int blockedReasons, boolean meteredNetwork) {
-        if (blockedReasons == BLOCKED_REASON_NONE) {
-            return false;
-        }
-        final int blockedOnAllNetworksReason = (blockedReasons & ~BLOCKED_METERED_REASON_MASK);
-        if (blockedOnAllNetworksReason != BLOCKED_REASON_NONE) {
-            return true;
-        }
-        if (meteredNetwork) {
-            return blockedReasons != BLOCKED_REASON_NONE;
-        }
-        return false;
-    }
-
-    /**
      * Returns the {@code string} representation of {@code blockedReasons} argument.
      *
      * @param blockedReasons Value indicating the reasons for why the network access of an UID is
diff --git a/core/java/android/net/netstats/provider/INetworkStatsProvider.aidl b/core/java/android/net/netstats/provider/INetworkStatsProvider.aidl
index 4078b24..74c3ba4 100644
--- a/core/java/android/net/netstats/provider/INetworkStatsProvider.aidl
+++ b/core/java/android/net/netstats/provider/INetworkStatsProvider.aidl
@@ -23,6 +23,6 @@
  */
 oneway interface INetworkStatsProvider {
     void onRequestStatsUpdate(int token);
-    void onSetLimit(String iface, long quotaBytes);
     void onSetAlert(long quotaBytes);
+    void onSetWarningAndLimit(String iface, long warningBytes, long limitBytes);
 }
diff --git a/core/java/android/net/netstats/provider/INetworkStatsProviderCallback.aidl b/core/java/android/net/netstats/provider/INetworkStatsProviderCallback.aidl
index bd336dd..7eaa01e 100644
--- a/core/java/android/net/netstats/provider/INetworkStatsProviderCallback.aidl
+++ b/core/java/android/net/netstats/provider/INetworkStatsProviderCallback.aidl
@@ -26,6 +26,6 @@
 oneway interface INetworkStatsProviderCallback {
     void notifyStatsUpdated(int token, in NetworkStats ifaceStats, in NetworkStats uidStats);
     void notifyAlertReached();
-    void notifyLimitReached();
+    void notifyWarningOrLimitReached();
     void unregister();
 }
diff --git a/core/java/android/net/netstats/provider/NetworkStatsProvider.java b/core/java/android/net/netstats/provider/NetworkStatsProvider.java
index 7639d22..65b336a 100644
--- a/core/java/android/net/netstats/provider/NetworkStatsProvider.java
+++ b/core/java/android/net/netstats/provider/NetworkStatsProvider.java
@@ -29,7 +29,8 @@
 @SystemApi
 public abstract class NetworkStatsProvider {
     /**
-     * A value used by {@link #onSetLimit} and {@link #onSetAlert} indicates there is no limit.
+     * A value used by {@link #onSetLimit}, {@link #onSetAlert} and {@link #onSetWarningAndLimit}
+     * indicates there is no limit.
      */
     public static final int QUOTA_UNLIMITED = -1;
 
@@ -42,13 +43,13 @@
         }
 
         @Override
-        public void onSetLimit(String iface, long quotaBytes) {
-            NetworkStatsProvider.this.onSetLimit(iface, quotaBytes);
+        public void onSetAlert(long quotaBytes) {
+            NetworkStatsProvider.this.onSetAlert(quotaBytes);
         }
 
         @Override
-        public void onSetAlert(long quotaBytes) {
-            NetworkStatsProvider.this.onSetAlert(quotaBytes);
+        public void onSetWarningAndLimit(String iface, long warningBytes, long limitBytes) {
+            NetworkStatsProvider.this.onSetWarningAndLimit(iface, warningBytes, limitBytes);
         }
     };
 
@@ -145,11 +146,28 @@
     }
 
     /**
-     * Notify system that the quota set by {@code onSetLimit} has been reached.
+     * Notify system that the warning set by {@link #onSetWarningAndLimit} has been reached.
+     *
+     * @hide
+     */
+    // TODO: Expose as system API.
+    public void notifyWarningReached() {
+        try {
+            // Reuse the code path to notify warning reached with limit reached
+            // since framework handles them in the same way.
+            getProviderCallbackBinderOrThrow().notifyWarningOrLimitReached();
+        } catch (RemoteException e) {
+            e.rethrowAsRuntimeException();
+        }
+    }
+
+    /**
+     * Notify system that the quota set by {@link #onSetLimit} or limit set by
+     * {@link #onSetWarningAndLimit} has been reached.
      */
     public void notifyLimitReached() {
         try {
-            getProviderCallbackBinderOrThrow().notifyLimitReached();
+            getProviderCallbackBinderOrThrow().notifyWarningOrLimitReached();
         } catch (RemoteException e) {
             e.rethrowAsRuntimeException();
         }
@@ -180,9 +198,35 @@
      * @param quotaBytes the quota defined as the number of bytes, starting from zero and counting
      *                   from now. A value of {@link #QUOTA_UNLIMITED} indicates there is no limit.
      */
+    // TODO: deprecate this once onSetWarningAndLimit is ready.
     public abstract void onSetLimit(@NonNull String iface, long quotaBytes);
 
     /**
+     * Called by {@code NetworkStatsService} when setting the interface quotas for the specified
+     * upstream interface. If a provider implements {@link #onSetWarningAndLimit}, the system
+     * will not call {@link #onSetLimit}. When this method is called, the implementation
+     * should behave as follows:
+     *   1. If {@code warningBytes} is reached on {@code iface}, block all further traffic on
+     *      {@code iface} and call {@link NetworkStatsProvider@notifyWarningReached()}.
+     *   2. If {@code limitBytes} is reached on {@code iface}, block all further traffic on
+     *   {@code iface} and call {@link NetworkStatsProvider#notifyLimitReached()}.
+     *
+     * @param iface the interface requiring the operation.
+     * @param warningBytes the warning defined as the number of bytes, starting from zero and
+     *                     counting from now. A value of {@link #QUOTA_UNLIMITED} indicates
+     *                     there is no warning.
+     * @param limitBytes the limit defined as the number of bytes, starting from zero and counting
+     *                   from now. A value of {@link #QUOTA_UNLIMITED} indicates there is no limit.
+     *
+     * @hide
+     */
+    // TODO: Expose as system API.
+    public void onSetWarningAndLimit(@NonNull String iface, long warningBytes, long limitBytes) {
+        // Backward compatibility for those who didn't override this function.
+        onSetLimit(iface, limitBytes);
+    }
+
+    /**
      * Called by {@code NetworkStatsService} when setting the alert bytes. Custom implementations
      * MUST call {@link NetworkStatsProvider#notifyAlertReached()} when {@code quotaBytes} bytes
      * have been reached. Unlike {@link #onSetLimit(String, long)}, the custom implementation should
diff --git a/core/java/android/os/Binder.java b/core/java/android/os/Binder.java
index 6425c25..f5130bc 100644
--- a/core/java/android/os/Binder.java
+++ b/core/java/android/os/Binder.java
@@ -543,6 +543,16 @@
     public final native void markVintfStability();
 
     /**
+     * Use a VINTF-stability binder w/o VINTF requirements. Should be called
+     * on a binder before it is sent out of process.
+     *
+     * This must be called before the object is sent to another process.
+     *
+     * @hide
+     */
+    public final native void forceDowngradeToSystemStability();
+
+    /**
      * Flush any Binder commands pending in the current thread to the kernel
      * driver.  This can be
      * useful to call before performing an operation that may block for a long
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 6d3b58c..385a815 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -1009,8 +1009,8 @@
      * Output: Nothing.
      */
     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
-    public static final String ACTION_MANAGE_ALL_SUBSCRIPTIONS_SETTINGS =
-            "android.settings.MANAGE_ALL_SUBSCRIPTIONS_SETTINGS";
+    public static final String ACTION_MANAGE_ALL_SIM_PROFILES_SETTINGS =
+            "android.settings.MANAGE_ALL_SIM_PROFILES_SETTINGS";
 
     /**
      * Activity Action: Show screen for controlling which apps can draw on top of other apps.
diff --git a/core/java/android/uwb/AngleMeasurement.java b/core/java/android/uwb/AngleMeasurement.java
index 8c771ba..3d60373 100644
--- a/core/java/android/uwb/AngleMeasurement.java
+++ b/core/java/android/uwb/AngleMeasurement.java
@@ -48,7 +48,10 @@
      * @throws IllegalArgumentException if the radians, errorRadians, or confidenceLevel is out of
      *                                  allowed range
      */
-    public AngleMeasurement(double radians, double errorRadians, double confidenceLevel) {
+    public AngleMeasurement(
+            @FloatRange(from = -Math.PI, to = +Math.PI) double radians,
+            @FloatRange(from = 0.0, to = +Math.PI) double errorRadians,
+            @FloatRange(from = 0.0, to = 1.0) double confidenceLevel) {
         if (radians < -Math.PI || radians > Math.PI) {
             throw new IllegalArgumentException("Invalid radians: " + radians);
         }
diff --git a/core/java/android/view/OWNERS b/core/java/android/view/OWNERS
index 31f6f6a..4a1d685 100644
--- a/core/java/android/view/OWNERS
+++ b/core/java/android/view/OWNERS
@@ -9,6 +9,7 @@
 ogunwale@google.com
 jjaggi@google.com
 roosa@google.com
+jreck@google.com
 
 # Display
 per-file Display*.java = file:/services/core/java/com/android/server/display/OWNERS
diff --git a/core/java/com/android/internal/compat/CompatibilityOverrideConfig.java b/core/java/com/android/internal/compat/CompatibilityOverrideConfig.java
index 1c222a7..9a02b7b 100644
--- a/core/java/com/android/internal/compat/CompatibilityOverrideConfig.java
+++ b/core/java/com/android/internal/compat/CompatibilityOverrideConfig.java
@@ -40,8 +40,7 @@
         overrides = new HashMap<>();
         for (int i = 0; i < keyCount; i++) {
             long key = in.readLong();
-            PackageOverride override = in.readParcelable(PackageOverride.class.getClassLoader());
-            overrides.put(key, override);
+            overrides.put(key, PackageOverride.createFromParcel(in));
         }
     }
 
@@ -55,7 +54,7 @@
         dest.writeInt(overrides.size());
         for (Long key : overrides.keySet()) {
             dest.writeLong(key);
-            dest.writeParcelable(overrides.get(key), 0);
+            overrides.get(key).writeToParcel(dest);
         }
     }
 
diff --git a/core/java/com/android/internal/compat/IPlatformCompat.aidl b/core/java/com/android/internal/compat/IPlatformCompat.aidl
index 60213e4..78d1d22 100644
--- a/core/java/com/android/internal/compat/IPlatformCompat.aidl
+++ b/core/java/com/android/internal/compat/IPlatformCompat.aidl
@@ -151,15 +151,23 @@
     void setOverrides(in CompatibilityChangeConfig overrides, in String packageName);
 
     /**
-     * Adds overrides to compatibility changes.
+     * Adds overrides to compatibility changes on release builds.
      *
-     * <p>Kills the app to allow the changes to take effect.
+     * <p>The caller to this API needs to hold
+     * {@code android.permission.OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD} and all change ids
+     * in {@code overrides} need to annotated with {@link android.compat.annotation.Overridable}.
+     *
+     * A release build in this definition means that {@link android.os.Build#IS_DEBUGGABLE} needs to
+     * be {@code false}.
+     *
+     * <p>Note that this does not kill the app, and therefore overrides read from the app process
+     * will not be updated. Overrides read from the system process do take effect.
      *
      * @param overrides   parcelable containing the compat change overrides to be applied
      * @param packageName the package name of the app whose changes will be overridden
      * @throws SecurityException if overriding changes is not permitted
      */
-    void setOverridesFromInstaller(in CompatibilityOverrideConfig overrides, in String packageName);
+    void setOverridesOnReleaseBuilds(in CompatibilityOverrideConfig overrides, in String packageName);
 
     /**
      * Adds overrides to compatibility changes.
diff --git a/core/jni/android_net_NetworkUtils.cpp b/core/jni/android_net_NetworkUtils.cpp
index a781a37..1cee895 100644
--- a/core/jni/android_net_NetworkUtils.cpp
+++ b/core/jni/android_net_NetworkUtils.cpp
@@ -102,11 +102,6 @@
     return setNetworkForSocket(netId, AFileDescriptor_getFD(env, javaFd));
 }
 
-static jboolean android_net_utils_queryUserAccess(JNIEnv *env, jobject thiz, jint uid, jint netId)
-{
-    return (jboolean) !queryUserAccess(uid, netId);
-}
-
 static bool checkLenAndCopy(JNIEnv* env, const jbyteArray& addr, int len, void* dst)
 {
     if (env->GetArrayLength(addr) != len) {
@@ -246,7 +241,6 @@
     { "getBoundNetworkForProcess", "()I", (void*) android_net_utils_getBoundNetworkForProcess },
     { "bindProcessToNetworkForHostResolution", "(I)Z", (void*) android_net_utils_bindProcessToNetworkForHostResolution },
     { "bindSocketToNetwork", "(Ljava/io/FileDescriptor;I)I", (void*) android_net_utils_bindSocketToNetwork },
-    { "queryUserAccess", "(II)Z", (void*)android_net_utils_queryUserAccess },
     { "attachDropAllBPFFilter", "(Ljava/io/FileDescriptor;)V", (void*) android_net_utils_attachDropAllBPFFilter },
     { "detachBPFFilter", "(Ljava/io/FileDescriptor;)V", (void*) android_net_utils_detachBPFFilter },
     { "getTcpRepairWindow", "(Ljava/io/FileDescriptor;)Landroid/net/TcpRepairWindow;", (void*) android_net_utils_getTcpRepairWindow },
diff --git a/core/jni/android_util_Binder.cpp b/core/jni/android_util_Binder.cpp
index 2499504..e4dddd2 100644
--- a/core/jni/android_util_Binder.cpp
+++ b/core/jni/android_util_Binder.cpp
@@ -486,9 +486,15 @@
     }
 
     void markVintf() {
+        AutoMutex _l(mLock);
         mVintf = true;
     }
 
+    void forceDowngradeToSystemStability() {
+        AutoMutex _l(mLock);
+        mVintf = false;
+    }
+
     sp<IBinder> getExtension() {
         AutoMutex _l(mLock);
         sp<JavaBBinder> b = mBinder.promote();
@@ -1013,6 +1019,12 @@
     jbh->markVintf();
 }
 
+static void android_os_Binder_forceDowngradeToSystemStability(JNIEnv* env, jobject clazz) {
+    JavaBBinderHolder* jbh =
+        (JavaBBinderHolder*) env->GetLongField(clazz, gBinderOffsets.mObject);
+    jbh->forceDowngradeToSystemStability();
+}
+
 static void android_os_Binder_flushPendingCommands(JNIEnv* env, jobject clazz)
 {
     IPCThreadState::self()->flushCommands();
@@ -1076,6 +1088,7 @@
     { "clearCallingWorkSource", "()J", (void*)android_os_Binder_clearCallingWorkSource },
     { "restoreCallingWorkSource", "(J)V", (void*)android_os_Binder_restoreCallingWorkSource },
     { "markVintfStability", "()V", (void*)android_os_Binder_markVintfStability},
+    { "forceDowngradeToSystemStability", "()V", (void*)android_os_Binder_forceDowngradeToSystemStability},
     { "flushPendingCommands", "()V", (void*)android_os_Binder_flushPendingCommands },
     { "getNativeBBinderHolder", "()J", (void*)android_os_Binder_getNativeBBinderHolder },
     { "getNativeFinalizer", "()J", (void*)android_os_Binder_getNativeFinalizer },
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 61e7d0a..f65d7a7 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -5123,9 +5123,16 @@
     <permission android:name="android.permission.READ_COMPAT_CHANGE_CONFIG"
                 android:protectionLevel="signature|privileged" />
     <!-- Allows an app to override compat change config.
+         This permission only allows to override config on debuggable builds or test-apks and is
+         therefore a less powerful version of OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD.
          @hide  <p>Not for use by third-party applications.</p> -->
     <permission android:name="android.permission.OVERRIDE_COMPAT_CHANGE_CONFIG"
                 android:protectionLevel="signature|privileged" />
+    <!-- @SystemApi Allows an app to override compat change config on release builds.
+        Only ChangeIds that are annotated as @Overridable can be overridden on release builds.
+        @hide -->
+    <permission android:name="android.permission.OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD"
+                android:protectionLevel="signature|privileged" />
 
     <!-- Allows input events to be monitored. Very dangerous!  @hide -->
     <permission android:name="android.permission.MONITOR_INPUT"
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 8db991b..bfe7802 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -3415,10 +3415,6 @@
     <!-- True if assistant app should be pinned via Pinner Service -->
     <bool name="config_pinnerAssistantApp">false</bool>
 
-    <!-- List of files pinned by the Pinner Service with the JIT Zygote boot image b/119800099 -->
-    <string-array translatable="false" name="config_jitzygoteBootImagePinnerServiceFiles">
-    </string-array>
-
     <!-- Number of days preloaded file cache should be preserved on a device before it can be
          deleted -->
     <integer name="config_keepPreloadsMinDays">7</integer>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 46efd2c..2901de5 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3062,7 +3062,6 @@
   <java-symbol type="bool" name="config_pinnerCameraApp" />
   <java-symbol type="bool" name="config_pinnerHomeApp" />
   <java-symbol type="bool" name="config_pinnerAssistantApp" />
-  <java-symbol type="array" name="config_jitzygoteBootImagePinnerServiceFiles" />
 
   <java-symbol type="string" name="config_doubleTouchGestureEnableFile" />
 
diff --git a/keystore/java/android/security/GenerateRkpKey.java b/keystore/java/android/security/GenerateRkpKey.java
new file mode 100644
index 0000000..a1a7aa8
--- /dev/null
+++ b/keystore/java/android/security/GenerateRkpKey.java
@@ -0,0 +1,99 @@
+/*
+ * 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.security;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.IBinder;
+import android.os.RemoteException;
+
+/**
+ * GenerateKey is a helper class to handle interactions between Keystore and the RemoteProvisioner
+ * app. There are two cases where Keystore should use this class.
+ *
+ * (1) : An app generates a new attested key pair, so Keystore calls notifyKeyGenerated to let the
+ *       RemoteProvisioner app check if the state of the attestation key pool is getting low enough
+ *       to warrant provisioning more attestation certificates early.
+ *
+ * (2) : An app attempts to generate a new key pair, but the keystore service discovers it is out of
+ *       attestation key pairs and cannot provide one for the given application. Keystore can then
+ *       make a blocking call on notifyEmpty to allow the RemoteProvisioner app to get another
+ *       attestation certificate chain provisioned.
+ *
+ * In most cases, the proper usage of (1) should preclude the need for (2).
+ *
+ * @hide
+ */
+public class GenerateRkpKey {
+
+    private IGenerateRkpKeyService mBinder;
+    private Context mContext;
+
+    private ServiceConnection mConnection = new ServiceConnection() {
+        @Override
+        public void onServiceConnected(ComponentName className, IBinder service) {
+            mBinder = IGenerateRkpKeyService.Stub.asInterface(service);
+        }
+
+        @Override
+        public void onServiceDisconnected(ComponentName className) {
+            mBinder = null;
+        }
+    };
+
+    /**
+     * Constructor which takes a Context object.
+     */
+    public GenerateRkpKey(Context context) {
+        mContext = context;
+    }
+
+    /**
+     * Fulfills the use case of (2) described in the class documentation. Blocks until the
+     * RemoteProvisioner application can get new attestation keys signed by the server.
+     */
+    public void notifyEmpty(int securityLevel) throws RemoteException {
+        Intent intent = new Intent(IGenerateRkpKeyService.class.getName());
+        ComponentName comp = intent.resolveSystemService(mContext.getPackageManager(), 0);
+        intent.setComponent(comp);
+        if (comp == null || !mContext.bindService(intent, mConnection, Context.BIND_AUTO_CREATE)) {
+            throw new RemoteException("Failed to bind to GenerateKeyService");
+        }
+        if (mBinder != null) {
+            mBinder.generateKey(securityLevel);
+        }
+        mContext.unbindService(mConnection);
+    }
+
+    /**
+     * FUlfills the use case of (1) described in the class documentation. Non blocking call.
+     */
+    public void notifyKeyGenerated(int securityLevel) throws RemoteException {
+        Intent intent = new Intent(IGenerateRkpKeyService.class.getName());
+        ComponentName comp = intent.resolveSystemService(mContext.getPackageManager(), 0);
+        intent.setComponent(comp);
+        if (comp == null || !mContext.bindService(intent, mConnection, Context.BIND_AUTO_CREATE)) {
+            throw new RemoteException("Failed to bind to GenerateKeyService");
+        }
+        if (mBinder != null) {
+            mBinder.notifyKeyGenerated(securityLevel);
+        }
+        mContext.unbindService(mConnection);
+    }
+}
diff --git a/keystore/java/android/security/GenerateRkpKeyException.java b/keystore/java/android/security/GenerateRkpKeyException.java
new file mode 100644
index 0000000..a2d65e4
--- /dev/null
+++ b/keystore/java/android/security/GenerateRkpKeyException.java
@@ -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.security;
+
+/**
+ * Thrown on problems in attempting to attest to a key using a remotely provisioned key.
+ *
+ * @hide
+ */
+public class GenerateRkpKeyException extends Exception {
+
+    /**
+     * Constructs a new {@code GenerateRkpKeyException}.
+     */
+    public GenerateRkpKeyException() {
+    }
+}
diff --git a/keystore/java/android/security/IGenerateRkpKeyService.aidl b/keystore/java/android/security/IGenerateRkpKeyService.aidl
new file mode 100644
index 0000000..5f1d669
--- /dev/null
+++ b/keystore/java/android/security/IGenerateRkpKeyService.aidl
@@ -0,0 +1,36 @@
+/**
+ * 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.security;
+
+/**
+ * Interface to allow the framework to notify the RemoteProvisioner app when keys are empty. This
+ * will be used if Keystore replies with an error code NO_KEYS_AVAILABLE in response to an
+ * attestation request. The framework can then synchronously call generateKey() to get more
+ * attestation keys generated and signed. Upon return, the caller can be certain an attestation key
+ * is available.
+ *
+ * @hide
+ */
+interface IGenerateRkpKeyService {
+    /**
+     * Ping the provisioner service to let it know an app generated a key. This may or may not have
+     * consumed a remotely provisioned attestation key, so the RemoteProvisioner app should check.
+     */
+    oneway void notifyKeyGenerated(in int securityLevel);
+    /** Ping the provisioner service to indicate there are no remaining attestation keys left. */
+    void generateKey(in int securityLevel);
+}
diff --git a/keystore/java/android/security/KeyStore2.java b/keystore/java/android/security/KeyStore2.java
index 75e248e..df579bb 100644
--- a/keystore/java/android/security/KeyStore2.java
+++ b/keystore/java/android/security/KeyStore2.java
@@ -125,6 +125,8 @@
         }
     }
 
+    private static final String KEYSTORE2_SERVICE_NAME =
+            "android.system.keystore2.IKeystoreService/default";
 
     private KeyStore2() {
         mBinder = null;
@@ -137,7 +139,7 @@
     private synchronized IKeystoreService getService(boolean retryLookup) {
         if (mBinder == null || retryLookup) {
             mBinder = IKeystoreService.Stub.asInterface(ServiceManager
-                    .getService("android.system.keystore2"));
+                    .getService(KEYSTORE2_SERVICE_NAME));
         }
         return mBinder;
     }
diff --git a/keystore/java/android/security/keystore2/AndroidKeyStoreKeyPairGeneratorSpi.java b/keystore/java/android/security/keystore2/AndroidKeyStoreKeyPairGeneratorSpi.java
index e401add..2d8901a 100644
--- a/keystore/java/android/security/keystore2/AndroidKeyStoreKeyPairGeneratorSpi.java
+++ b/keystore/java/android/security/keystore2/AndroidKeyStoreKeyPairGeneratorSpi.java
@@ -24,6 +24,9 @@
 import android.hardware.security.keymint.SecurityLevel;
 import android.hardware.security.keymint.Tag;
 import android.os.Build;
+import android.os.RemoteException;
+import android.security.GenerateRkpKey;
+import android.security.GenerateRkpKeyException;
 import android.security.KeyPairGeneratorSpec;
 import android.security.KeyStore;
 import android.security.KeyStore2;
@@ -520,6 +523,18 @@
 
     @Override
     public KeyPair generateKeyPair() {
+        try {
+            return generateKeyPairHelper();
+        } catch (GenerateRkpKeyException e) {
+            try {
+                return generateKeyPairHelper();
+            } catch (GenerateRkpKeyException f) {
+                throw new ProviderException("Failed to provision new attestation keys.");
+            }
+        }
+    }
+
+    private KeyPair generateKeyPairHelper() throws GenerateRkpKeyException {
         if (mKeyStore == null || mSpec == null) {
             throw new IllegalStateException("Not initialized");
         }
@@ -557,13 +572,30 @@
             AndroidKeyStorePublicKey publicKey =
                     AndroidKeyStoreProvider.makeAndroidKeyStorePublicKeyFromKeyEntryResponse(
                             descriptor, metadata, iSecurityLevel, mKeymasterAlgorithm);
-
+            GenerateRkpKey keyGen = new GenerateRkpKey(KeyStore.getApplicationContext());
+            try {
+                if (mSpec.getAttestationChallenge() != null) {
+                    keyGen.notifyKeyGenerated(securityLevel);
+                }
+            } catch (RemoteException e) {
+                // This is not really an error state, and necessarily does not apply to non RKP
+                // systems or hybrid systems where RKP is not currently turned on.
+                Log.d(TAG, "Couldn't connect to the RemoteProvisioner backend.");
+            }
             success = true;
             return new KeyPair(publicKey, publicKey.getPrivateKey());
         } catch (android.security.KeyStoreException e) {
             switch(e.getErrorCode()) {
                 case KeymasterDefs.KM_ERROR_HARDWARE_TYPE_UNAVAILABLE:
                     throw new StrongBoxUnavailableException("Failed to generated key pair.", e);
+                case ResponseCode.OUT_OF_KEYS:
+                    GenerateRkpKey keyGen = new GenerateRkpKey(KeyStore.getApplicationContext());
+                    try {
+                        keyGen.notifyEmpty(securityLevel);
+                    } catch (RemoteException f) {
+                        throw new ProviderException("Failed to talk to RemoteProvisioner", f);
+                    }
+                    throw new GenerateRkpKeyException();
                 default:
                     ProviderException p = new ProviderException("Failed to generate key pair.", e);
                     if ((mSpec.getPurposes() & KeyProperties.PURPOSE_WRAP_KEY) != 0) {
diff --git a/media/java/android/media/MediaCodec.java b/media/java/android/media/MediaCodec.java
index a2108bd..7062f83 100644
--- a/media/java/android/media/MediaCodec.java
+++ b/media/java/android/media/MediaCodec.java
@@ -4576,7 +4576,7 @@
     /**
      * Contains description of a parameter.
      */
-    public class ParameterDescriptor {
+    public static class ParameterDescriptor {
         private ParameterDescriptor() {}
 
         /**
diff --git a/packages/Connectivity/framework/api/module-lib-current.txt b/packages/Connectivity/framework/api/module-lib-current.txt
index 6d21e4fc..35e45ec 100644
--- a/packages/Connectivity/framework/api/module-lib-current.txt
+++ b/packages/Connectivity/framework/api/module-lib-current.txt
@@ -14,20 +14,26 @@
     method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void registerDefaultNetworkCallbackAsUid(int, @NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
     method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void registerSystemDefaultNetworkCallback(@NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void requestBackgroundNetwork(@NonNull android.net.NetworkRequest, @NonNull android.os.Handler, @NonNull android.net.ConnectivityManager.NetworkCallback);
+    method @Deprecated public boolean requestRouteToHostAddress(int, java.net.InetAddress);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptPartialConnectivity(@NonNull android.net.Network, boolean, boolean);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptUnvalidated(@NonNull android.net.Network, boolean, boolean);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAvoidUnvalidated(@NonNull android.net.Network);
     method @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void setGlobalProxy(@Nullable android.net.ProxyInfo);
+    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void setLegacyLockdownVpnEnabled(boolean);
+    method public static void setPrivateDnsMode(@NonNull android.content.Context, @NonNull String);
     method @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void setProfileNetworkPreference(@NonNull android.os.UserHandle, int, @Nullable java.util.concurrent.Executor, @Nullable Runnable);
+    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void setRequireVpnForUids(boolean, @NonNull java.util.Collection<android.util.Range<java.lang.Integer>>);
     method @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_TEST_NETWORKS, android.Manifest.permission.NETWORK_STACK}) public void simulateDataStall(int, long, @NonNull android.net.Network, @NonNull android.os.PersistableBundle);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void startCaptivePortalApp(@NonNull android.net.Network);
     method public void systemReady();
     field public static final int BLOCKED_METERED_REASON_ADMIN_DISABLED = 262144; // 0x40000
     field public static final int BLOCKED_METERED_REASON_DATA_SAVER = 65536; // 0x10000
+    field public static final int BLOCKED_METERED_REASON_MASK = -65536; // 0xffff0000
     field public static final int BLOCKED_METERED_REASON_USER_RESTRICTED = 131072; // 0x20000
     field public static final int BLOCKED_REASON_APP_STANDBY = 4; // 0x4
     field public static final int BLOCKED_REASON_BATTERY_SAVER = 1; // 0x1
     field public static final int BLOCKED_REASON_DOZE = 2; // 0x2
+    field public static final int BLOCKED_REASON_LOCKDOWN_VPN = 16; // 0x10
     field public static final int BLOCKED_REASON_NONE = 0; // 0x0
     field public static final int BLOCKED_REASON_RESTRICTED_MODE = 8; // 0x8
     field public static final String PRIVATE_DNS_MODE_OFF = "off";
@@ -37,6 +43,56 @@
     field public static final int PROFILE_NETWORK_PREFERENCE_ENTERPRISE = 1; // 0x1
   }
 
+  public static class ConnectivityManager.NetworkCallback {
+    method public void onBlockedStatusChanged(@NonNull android.net.Network, int);
+  }
+
+  public class ConnectivitySettingsManager {
+    method public static void clearGlobalProxy(@NonNull android.content.Context);
+    method @Nullable public static String getCaptivePortalHttpUrl(@NonNull android.content.Context);
+    method public static int getCaptivePortalMode(@NonNull android.content.Context, int);
+    method @NonNull public static java.time.Duration getConnectivityKeepPendingIntentDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method @NonNull public static android.util.Range<java.lang.Integer> getDnsResolverSampleRanges(@NonNull android.content.Context);
+    method @NonNull public static java.time.Duration getDnsResolverSampleValidityDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static int getDnsResolverSuccessThresholdPercent(@NonNull android.content.Context, int);
+    method @Nullable public static android.net.ProxyInfo getGlobalProxy(@NonNull android.content.Context);
+    method @NonNull public static java.time.Duration getMobileDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static boolean getMobileDataAlwaysOn(@NonNull android.content.Context, boolean);
+    method @Nullable public static String getMobileDataPreferredApps(@NonNull android.content.Context);
+    method public static int getNetworkAvoidBadWifi(@NonNull android.content.Context);
+    method @Nullable public static String getNetworkMeteredMultipathPreference(@NonNull android.content.Context);
+    method public static int getNetworkSwitchNotificationMaximumDailyCount(@NonNull android.content.Context, int);
+    method @NonNull public static java.time.Duration getNetworkSwitchNotificationRateDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method @NonNull public static String getPrivateDnsDefaultMode(@NonNull android.content.Context);
+    method @Nullable public static String getPrivateDnsHostname(@NonNull android.content.Context);
+    method public static boolean getWifiAlwaysRequested(@NonNull android.content.Context, boolean);
+    method @NonNull public static java.time.Duration getWifiDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static void setCaptivePortalHttpUrl(@NonNull android.content.Context, @Nullable String);
+    method public static void setCaptivePortalMode(@NonNull android.content.Context, int);
+    method public static void setConnectivityKeepPendingIntentDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static void setDnsResolverSampleRanges(@NonNull android.content.Context, @NonNull android.util.Range<java.lang.Integer>);
+    method public static void setDnsResolverSampleValidityDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static void setDnsResolverSuccessThresholdPercent(@NonNull android.content.Context, @IntRange(from=0, to=100) int);
+    method public static void setGlobalProxy(@NonNull android.content.Context, @NonNull android.net.ProxyInfo);
+    method public static void setMobileDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static void setMobileDataAlwaysOn(@NonNull android.content.Context, boolean);
+    method public static void setMobileDataPreferredApps(@NonNull android.content.Context, @Nullable String);
+    method public static void setNetworkAvoidBadWifi(@NonNull android.content.Context, int);
+    method public static void setNetworkMeteredMultipathPreference(@NonNull android.content.Context, @NonNull String);
+    method public static void setNetworkSwitchNotificationMaximumDailyCount(@NonNull android.content.Context, @IntRange(from=0) int);
+    method public static void setNetworkSwitchNotificationRateDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
+    method public static void setPrivateDnsDefaultMode(@NonNull android.content.Context, @NonNull String);
+    method public static void setPrivateDnsHostname(@NonNull android.content.Context, @Nullable String);
+    method public static void setWifiAlwaysRequested(@NonNull android.content.Context, boolean);
+    method public static void setWifiDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
+    field public static final int CAPTIVE_PORTAL_MODE_AVOID = 2; // 0x2
+    field public static final int CAPTIVE_PORTAL_MODE_IGNORE = 0; // 0x0
+    field public static final int CAPTIVE_PORTAL_MODE_PROMPT = 1; // 0x1
+    field public static final int NETWORK_AVOID_BAD_WIFI_AVOID = 2; // 0x2
+    field public static final int NETWORK_AVOID_BAD_WIFI_IGNORE = 0; // 0x0
+    field public static final int NETWORK_AVOID_BAD_WIFI_PROMPT = 1; // 0x1
+  }
+
   public final class NetworkAgentConfig implements android.os.Parcelable {
     method @Nullable public String getSubscriberId();
     method public boolean isBypassableVpn();
diff --git a/packages/Connectivity/framework/api/system-current.txt b/packages/Connectivity/framework/api/system-current.txt
index 7733221..1ee79a4 100644
--- a/packages/Connectivity/framework/api/system-current.txt
+++ b/packages/Connectivity/framework/api/system-current.txt
@@ -212,10 +212,14 @@
 
   public abstract class NetworkAgent {
     ctor public NetworkAgent(@NonNull android.content.Context, @NonNull android.os.Looper, @NonNull String, @NonNull android.net.NetworkCapabilities, @NonNull android.net.LinkProperties, int, @NonNull android.net.NetworkAgentConfig, @Nullable android.net.NetworkProvider);
+    ctor public NetworkAgent(@NonNull android.content.Context, @NonNull android.os.Looper, @NonNull String, @NonNull android.net.NetworkCapabilities, @NonNull android.net.LinkProperties, @NonNull android.net.NetworkScore, @NonNull android.net.NetworkAgentConfig, @Nullable android.net.NetworkProvider);
     method @Nullable public android.net.Network getNetwork();
     method public void markConnected();
     method public void onAddKeepalivePacketFilter(int, @NonNull android.net.KeepalivePacketData);
     method public void onAutomaticReconnectDisabled();
+    method public void onBandwidthUpdateRequested();
+    method public void onNetworkCreated();
+    method public void onNetworkDisconnected();
     method public void onNetworkUnwanted();
     method public void onQosCallbackRegistered(int, @NonNull android.net.QosFilter);
     method public void onQosCallbackUnregistered(int);
@@ -233,6 +237,7 @@
     method public final void sendQosSessionAvailable(int, int, @NonNull android.net.QosSessionAttributes);
     method public final void sendQosSessionLost(int, int, int);
     method public final void sendSocketKeepaliveEvent(int, int);
+    method @Deprecated public void setLegacySubtype(int, @NonNull String);
     method public final void setUnderlyingNetworks(@Nullable java.util.List<android.net.Network>);
     method public void unregister();
     field public static final int VALIDATION_STATUS_NOT_VALID = 2; // 0x2
@@ -253,7 +258,12 @@
   public static final class NetworkAgentConfig.Builder {
     ctor public NetworkAgentConfig.Builder();
     method @NonNull public android.net.NetworkAgentConfig build();
+    method @NonNull public android.net.NetworkAgentConfig.Builder disableNat64Detection();
+    method @NonNull public android.net.NetworkAgentConfig.Builder disableProvisioningNotification();
     method @NonNull public android.net.NetworkAgentConfig.Builder setExplicitlySelected(boolean);
+    method @NonNull public android.net.NetworkAgentConfig.Builder setLegacyExtraInfo(@NonNull String);
+    method @NonNull public android.net.NetworkAgentConfig.Builder setLegacySubType(int);
+    method @NonNull public android.net.NetworkAgentConfig.Builder setLegacySubTypeName(@NonNull String);
     method @NonNull public android.net.NetworkAgentConfig.Builder setLegacyType(int);
     method @NonNull public android.net.NetworkAgentConfig.Builder setLegacyTypeName(@NonNull String);
     method @NonNull public android.net.NetworkAgentConfig.Builder setPartialConnectivityAcceptable(boolean);
@@ -316,6 +326,19 @@
     method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_SIGNAL_STRENGTH_WAKEUP) public android.net.NetworkRequest.Builder setSignalStrength(int);
   }
 
+  public final class NetworkScore implements android.os.Parcelable {
+    method public int describeContents();
+    method public int getLegacyInt();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkScore> CREATOR;
+  }
+
+  public static final class NetworkScore.Builder {
+    ctor public NetworkScore.Builder();
+    method @NonNull public android.net.NetworkScore build();
+    method @NonNull public android.net.NetworkScore.Builder setLegacyInt(int);
+  }
+
   public final class OemNetworkPreferences implements android.os.Parcelable {
     method public int describeContents();
     method @NonNull public java.util.Map<java.lang.String,java.lang.Integer> getNetworkPreferences();
@@ -389,6 +412,7 @@
   }
 
   public abstract class SocketKeepalive implements java.lang.AutoCloseable {
+    field public static final int ERROR_NO_SUCH_SLOT = -33; // 0xffffffdf
     field public static final int SUCCESS = 0; // 0x0
   }
 
diff --git a/packages/Connectivity/framework/src/android/net/ConnectivityManager.java b/packages/Connectivity/framework/src/android/net/ConnectivityManager.java
index 0a4d409..d196c1a 100644
--- a/packages/Connectivity/framework/src/android/net/ConnectivityManager.java
+++ b/packages/Connectivity/framework/src/android/net/ConnectivityManager.java
@@ -38,7 +38,9 @@
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
 import android.app.PendingIntent;
+import android.app.admin.DevicePolicyManager;
 import android.compat.annotation.UnsupportedAppUsage;
+import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
@@ -872,6 +874,17 @@
     public static final int BLOCKED_REASON_RESTRICTED_MODE = 1 << 3;
 
     /**
+     * Flag to indicate that an app is blocked because it is subject to an always-on VPN but the VPN
+     * is not currently connected.
+     *
+     * @see DevicePolicyManager#setAlwaysOnVpnPackage(ComponentName, String, boolean)
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_LOCKDOWN_VPN = 1 << 4;
+
+    /**
      * Flag to indicate that an app is subject to Data saver restrictions that would
      * result in its metered network access being blocked.
      *
@@ -914,6 +927,14 @@
     })
     public @interface BlockedReason {}
 
+    /**
+     * Set of blocked reasons that are only applicable on metered networks.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_METERED_REASON_MASK = 0xffff0000;
+
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 130143562)
     private final IConnectivityManager mService;
 
@@ -1210,12 +1231,13 @@
      * @param ranges the UID ranges to restrict
      * @param requireVpn whether the specified UID ranges must use a VPN
      *
-     * TODO: expose as @SystemApi.
      * @hide
      */
     @RequiresPermission(anyOf = {
             NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
-            android.Manifest.permission.NETWORK_STACK})
+            android.Manifest.permission.NETWORK_STACK,
+            android.Manifest.permission.NETWORK_SETTINGS})
+    @SystemApi(client = MODULE_LIBRARIES)
     public void setRequireVpnForUids(boolean requireVpn,
             @NonNull Collection<Range<Integer>> ranges) {
         Objects.requireNonNull(ranges);
@@ -1259,13 +1281,13 @@
      *
      * @param enabled whether legacy lockdown VPN is enabled or disabled
      *
-     * TODO: @SystemApi(client = MODULE_LIBRARIES)
-     *
      * @hide
      */
     @RequiresPermission(anyOf = {
             NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+            android.Manifest.permission.NETWORK_STACK,
             android.Manifest.permission.NETWORK_SETTINGS})
+    @SystemApi(client = MODULE_LIBRARIES)
     public void setLegacyLockdownVpnEnabled(boolean enabled) {
         try {
             mService.setLegacyLockdownVpnEnabled(enabled);
@@ -2212,6 +2234,7 @@
      */
     @Deprecated
     @UnsupportedAppUsage
+    @SystemApi(client = MODULE_LIBRARIES)
     public boolean requestRouteToHostAddress(int networkType, InetAddress hostAddress) {
         checkLegacyRoutingApiAccess();
         try {
@@ -3440,12 +3463,30 @@
          * @param blocked Whether access to the {@link Network} is blocked due to system policy.
          * @hide
          */
-        public void onAvailable(@NonNull Network network,
+        public final void onAvailable(@NonNull Network network,
                 @NonNull NetworkCapabilities networkCapabilities,
-                @NonNull LinkProperties linkProperties, boolean blocked) {
+                @NonNull LinkProperties linkProperties, @BlockedReason int blocked) {
             // Internally only this method is called when a new network is available, and
             // it calls the callback in the same way and order that older versions used
             // to call so as not to change the behavior.
+            onAvailable(network, networkCapabilities, linkProperties, blocked != 0);
+            onBlockedStatusChanged(network, blocked);
+        }
+
+        /**
+         * Legacy variant of onAvailable that takes a boolean blocked reason.
+         *
+         * This method has never been public API, but it's not final, so there may be apps that
+         * implemented it and rely on it being called. Do our best not to break them.
+         * Note: such apps will also get a second call to onBlockedStatusChanged immediately after
+         * this method is called. There does not seem to be a way to avoid this.
+         * TODO: add a compat check to move apps off this method, and eventually stop calling it.
+         *
+         * @hide
+         */
+        public void onAvailable(@NonNull Network network,
+                @NonNull NetworkCapabilities networkCapabilities,
+                @NonNull LinkProperties linkProperties, boolean blocked) {
             onAvailable(network);
             if (!networkCapabilities.hasCapability(
                     NetworkCapabilities.NET_CAPABILITY_NOT_SUSPENDED)) {
@@ -3453,7 +3494,7 @@
             }
             onCapabilitiesChanged(network, networkCapabilities);
             onLinkPropertiesChanged(network, linkProperties);
-            onBlockedStatusChanged(network, blocked);
+            // No call to onBlockedStatusChanged here. That is done by the caller.
         }
 
         /**
@@ -3617,6 +3658,26 @@
          */
         public void onBlockedStatusChanged(@NonNull Network network, boolean blocked) {}
 
+        /**
+         * Called when access to the specified network is blocked or unblocked.
+         *
+         * If a NetworkCallback object implements this method,
+         * {@link #onBlockedStatusChanged(Network, boolean)} will not be called.
+         *
+         * <p>Do NOT call {@link #getNetworkCapabilities(Network)} or
+         * {@link #getLinkProperties(Network)} or other synchronous ConnectivityManager methods in
+         * this callback as this is prone to race conditions : calling these methods while in a
+         * callback may return an outdated or even a null object.
+         *
+         * @param network The {@link Network} whose blocked status has changed.
+         * @param blocked The blocked status of this {@link Network}.
+         * @hide
+         */
+        @SystemApi(client = MODULE_LIBRARIES)
+        public void onBlockedStatusChanged(@NonNull Network network, @BlockedReason int blocked) {
+            onBlockedStatusChanged(network, blocked != 0);
+        }
+
         private NetworkRequest networkRequest;
         private final int mFlags;
     }
@@ -3731,7 +3792,7 @@
                 case CALLBACK_AVAILABLE: {
                     NetworkCapabilities cap = getObject(message, NetworkCapabilities.class);
                     LinkProperties lp = getObject(message, LinkProperties.class);
-                    callback.onAvailable(network, cap, lp, message.arg1 != 0);
+                    callback.onAvailable(network, cap, lp, message.arg1);
                     break;
                 }
                 case CALLBACK_LOSING: {
@@ -3765,8 +3826,7 @@
                     break;
                 }
                 case CALLBACK_BLK_CHANGED: {
-                    boolean blocked = message.arg1 != 0;
-                    callback.onBlockedStatusChanged(network, blocked);
+                    callback.onBlockedStatusChanged(network, message.arg1);
                 }
             }
         }
@@ -5369,4 +5429,23 @@
         if (TextUtils.isEmpty(mode)) mode = PRIVATE_DNS_MODE_OPPORTUNISTIC;
         return mode;
     }
+
+    /**
+     * Set private DNS mode to settings.
+     *
+     * @param context The {@link Context} to set the private DNS mode.
+     * @param mode The private dns mode. This should be one of the PRIVATE_DNS_MODE_* constants.
+     *
+     * @hide
+     */
+    @SystemApi(client = MODULE_LIBRARIES)
+    public static void setPrivateDnsMode(@NonNull Context context,
+            @NonNull @PrivateDnsMode String mode) {
+        if (!(mode == PRIVATE_DNS_MODE_OFF
+                || mode == PRIVATE_DNS_MODE_OPPORTUNISTIC
+                || mode == PRIVATE_DNS_MODE_PROVIDER_HOSTNAME)) {
+            throw new IllegalArgumentException("Invalid private dns mode");
+        }
+        Settings.Global.putString(context.getContentResolver(), PRIVATE_DNS_MODE, mode);
+    }
 }
diff --git a/packages/Connectivity/framework/src/android/net/ConnectivitySettingsManager.java b/packages/Connectivity/framework/src/android/net/ConnectivitySettingsManager.java
index bbd8393..9a00055 100644
--- a/packages/Connectivity/framework/src/android/net/ConnectivitySettingsManager.java
+++ b/packages/Connectivity/framework/src/android/net/ConnectivitySettingsManager.java
@@ -16,16 +16,38 @@
 
 package android.net;
 
+import static android.net.ConnectivityManager.MULTIPATH_PREFERENCE_HANDOVER;
+import static android.net.ConnectivityManager.MULTIPATH_PREFERENCE_PERFORMANCE;
+import static android.net.ConnectivityManager.MULTIPATH_PREFERENCE_RELIABILITY;
+import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
+import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
+import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
+
 import android.annotation.IntDef;
+import android.annotation.IntRange;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.content.Context;
+import android.net.ConnectivityManager.MultipathPreference;
+import android.net.ConnectivityManager.PrivateDnsMode;
+import android.provider.Settings;
+import android.text.TextUtils;
+import android.util.Range;
+
+import com.android.net.module.util.ProxyUtils;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.time.Duration;
+import java.util.List;
 
 /**
  * A manager class for connectivity module settings.
  *
  * @hide
  */
+@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
 public class ConnectivitySettingsManager {
 
     private ConnectivitySettingsManager() {}
@@ -45,12 +67,16 @@
      * Network activity refers to transmitting or receiving data on the network interfaces.
      *
      * Tracking is disabled if set to zero or negative value.
+     *
+     * @hide
      */
     public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
 
     /**
      * Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
      * but for Wifi network.
+     *
+     * @hide
      */
     public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
 
@@ -58,12 +84,16 @@
 
     /**
      * Sample validity in seconds to configure for the system DNS resolver.
+     *
+     * @hide
      */
     public static final String DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS =
             "dns_resolver_sample_validity_seconds";
 
     /**
      * Success threshold in percent for use with the system DNS resolver.
+     *
+     * @hide
      */
     public static final String DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT =
             "dns_resolver_success_threshold_percent";
@@ -71,24 +101,35 @@
     /**
      * Minimum number of samples needed for statistics to be considered meaningful in the
      * system DNS resolver.
+     *
+     * @hide
      */
     public static final String DNS_RESOLVER_MIN_SAMPLES = "dns_resolver_min_samples";
 
     /**
      * Maximum number taken into account for statistics purposes in the system DNS resolver.
+     *
+     * @hide
      */
     public static final String DNS_RESOLVER_MAX_SAMPLES = "dns_resolver_max_samples";
 
+    private static final int DNS_RESOLVER_DEFAULT_MIN_SAMPLES = 8;
+    private static final int DNS_RESOLVER_DEFAULT_MAX_SAMPLES = 64;
+
     /** Network switch notification settings */
 
     /**
      * The maximum number of notifications shown in 24 hours when switching networks.
+     *
+     * @hide
      */
     public static final String NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT =
             "network_switch_notification_daily_limit";
 
     /**
      * The minimum time in milliseconds between notifications when switching networks.
+     *
+     * @hide
      */
     public static final String NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS =
             "network_switch_notification_rate_limit_millis";
@@ -98,14 +139,18 @@
     /**
      * The URL used for HTTP captive portal detection upon a new connection.
      * A 204 response code from the server is used for validation.
+     *
+     * @hide
      */
     public static final String CAPTIVE_PORTAL_HTTP_URL = "captive_portal_http_url";
 
     /**
      * What to do when connecting a network that presents a captive portal.
-     * Must be one of the CAPTIVE_PORTAL_MODE_* constants above.
+     * Must be one of the CAPTIVE_PORTAL_MODE_* constants below.
      *
      * The default for this setting is CAPTIVE_PORTAL_MODE_PROMPT.
+     *
+     * @hide
      */
     public static final String CAPTIVE_PORTAL_MODE = "captive_portal_mode";
 
@@ -139,11 +184,15 @@
 
     /**
      * Host name for global http proxy. Set via ConnectivityManager.
+     *
+     * @hide
      */
     public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
 
     /**
      * Integer host port for global http proxy. Set via ConnectivityManager.
+     *
+     * @hide
      */
     public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
 
@@ -153,12 +202,16 @@
      * Domains should be listed in a comma- separated list. Example of
      * acceptable formats: ".domain1.com,my.domain2.com" Use
      * ConnectivityManager to set/get.
+     *
+     * @hide
      */
     public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
             "global_http_proxy_exclusion_list";
 
     /**
      * The location PAC File for the proxy.
+     *
+     * @hide
      */
     public static final String GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
 
@@ -171,11 +224,15 @@
      * a specific provider. It may be used to store the provider name even when the
      * mode changes so that temporarily disabling and re-enabling the specific
      * provider mode does not necessitate retyping the provider hostname.
+     *
+     * @hide
      */
     public static final String PRIVATE_DNS_MODE = "private_dns_mode";
 
     /**
      * The specific Private DNS provider name.
+     *
+     * @hide
      */
     public static final String PRIVATE_DNS_SPECIFIER = "private_dns_specifier";
 
@@ -185,6 +242,8 @@
      * all of which require explicit user action to enable/configure. See also b/79719289.
      *
      * Value is a string, suitable for assignment to PRIVATE_DNS_MODE above.
+     *
+     * @hide
      */
     public static final String PRIVATE_DNS_DEFAULT_MODE = "private_dns_default_mode";
 
@@ -194,6 +253,8 @@
      * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
      * the receivers of the PendingIntent an opportunity to make a new network request before
      * the Network satisfying the request is potentially removed.
+     *
+     * @hide
      */
     public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
             "connectivity_release_pending_intent_delay_ms";
@@ -205,6 +266,8 @@
      * See ConnectivityService for more info.
      *
      * (0 = disabled, 1 = enabled)
+     *
+     * @hide
      */
     public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
 
@@ -217,6 +280,8 @@
      * See ConnectivityService for more info.
      *
      * (0 = disabled, 1 = enabled)
+     *
+     * @hide
      */
     public static final String WIFI_ALWAYS_REQUESTED = "wifi_always_requested";
 
@@ -228,14 +293,637 @@
      * 0: Don't avoid bad wifi, don't prompt the user. Get stuck on bad wifi like it's 2013.
      * null: Ask the user whether to switch away from bad wifi.
      * 1: Avoid bad wifi.
+     *
+     * @hide
      */
     public static final String NETWORK_AVOID_BAD_WIFI = "network_avoid_bad_wifi";
 
     /**
+     * Don't avoid bad wifi, don't prompt the user. Get stuck on bad wifi like it's 2013.
+     */
+    public static final int NETWORK_AVOID_BAD_WIFI_IGNORE = 0;
+
+    /**
+     * Ask the user whether to switch away from bad wifi.
+     */
+    public static final int NETWORK_AVOID_BAD_WIFI_PROMPT = 1;
+
+    /**
+     * Avoid bad wifi.
+     */
+    public static final int NETWORK_AVOID_BAD_WIFI_AVOID = 2;
+
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(value = {
+            NETWORK_AVOID_BAD_WIFI_IGNORE,
+            NETWORK_AVOID_BAD_WIFI_PROMPT,
+            NETWORK_AVOID_BAD_WIFI_AVOID,
+    })
+    public @interface NetworkAvoidBadWifi {}
+
+    /**
      * User setting for ConnectivityManager.getMeteredMultipathPreference(). This value may be
      * overridden by the system based on device or application state. If null, the value
      * specified by config_networkMeteredMultipathPreference is used.
+     *
+     * @hide
      */
     public static final String NETWORK_METERED_MULTIPATH_PREFERENCE =
             "network_metered_multipath_preference";
+
+    /**
+     * A list of apps that should go on cellular networks in preference even when higher-priority
+     * networks are connected.
+     *
+     * @hide
+     */
+    public static final String MOBILE_DATA_PREFERRED_APPS = "mobile_data_preferred_apps";
+
+    /**
+     * Get mobile data activity timeout from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default timeout if no setting value.
+     * @return The {@link Duration} of timeout to track mobile data activity.
+     */
+    @NonNull
+    public static Duration getMobileDataActivityTimeout(@NonNull Context context,
+            @NonNull Duration def) {
+        final int timeout = Settings.Global.getInt(
+                context.getContentResolver(), DATA_ACTIVITY_TIMEOUT_MOBILE, (int) def.getSeconds());
+        return Duration.ofSeconds(timeout);
+    }
+
+    /**
+     * Set mobile data activity timeout to {@link Settings}.
+     * Tracking is disabled if set to zero or negative value.
+     *
+     * Note: Only use the number of seconds in this duration, lower second(nanoseconds) will be
+     * ignored.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param timeout The mobile data activity timeout.
+     */
+    public static void setMobileDataActivityTimeout(@NonNull Context context,
+            @NonNull Duration timeout) {
+        Settings.Global.putInt(context.getContentResolver(), DATA_ACTIVITY_TIMEOUT_MOBILE,
+                (int) timeout.getSeconds());
+    }
+
+    /**
+     * Get wifi data activity timeout from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default timeout if no setting value.
+     * @return The {@link Duration} of timeout to track wifi data activity.
+     */
+    @NonNull
+    public static Duration getWifiDataActivityTimeout(@NonNull Context context,
+            @NonNull Duration def) {
+        final int timeout = Settings.Global.getInt(
+                context.getContentResolver(), DATA_ACTIVITY_TIMEOUT_WIFI, (int) def.getSeconds());
+        return Duration.ofSeconds(timeout);
+    }
+
+    /**
+     * Set wifi data activity timeout to {@link Settings}.
+     * Tracking is disabled if set to zero or negative value.
+     *
+     * Note: Only use the number of seconds in this duration, lower second(nanoseconds) will be
+     * ignored.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param timeout The wifi data activity timeout.
+     */
+    public static void setWifiDataActivityTimeout(@NonNull Context context,
+            @NonNull Duration timeout) {
+        Settings.Global.putInt(context.getContentResolver(), DATA_ACTIVITY_TIMEOUT_WIFI,
+                (int) timeout.getSeconds());
+    }
+
+    /**
+     * Get dns resolver sample validity duration from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default duration if no setting value.
+     * @return The {@link Duration} of sample validity duration to configure for the system DNS
+     *         resolver.
+     */
+    @NonNull
+    public static Duration getDnsResolverSampleValidityDuration(@NonNull Context context,
+            @NonNull Duration def) {
+        final int duration = Settings.Global.getInt(context.getContentResolver(),
+                DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS, (int) def.getSeconds());
+        return Duration.ofSeconds(duration);
+    }
+
+    /**
+     * Set dns resolver sample validity duration to {@link Settings}. The duration must be a
+     * positive number of seconds.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param duration The sample validity duration.
+     */
+    public static void setDnsResolverSampleValidityDuration(@NonNull Context context,
+            @NonNull Duration duration) {
+        final int time = (int) duration.getSeconds();
+        if (time <= 0) {
+            throw new IllegalArgumentException("Invalid duration");
+        }
+        Settings.Global.putInt(
+                context.getContentResolver(), DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS, time);
+    }
+
+    /**
+     * Get dns resolver success threshold percent from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default value if no setting value.
+     * @return The success threshold in percent for use with the system DNS resolver.
+     */
+    public static int getDnsResolverSuccessThresholdPercent(@NonNull Context context, int def) {
+        return Settings.Global.getInt(
+                context.getContentResolver(), DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT, def);
+    }
+
+    /**
+     * Set dns resolver success threshold percent to {@link Settings}. The threshold percent must
+     * be 0~100.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param percent The success threshold percent.
+     */
+    public static void setDnsResolverSuccessThresholdPercent(@NonNull Context context,
+            @IntRange(from = 0, to = 100) int percent) {
+        if (percent < 0 || percent > 100) {
+            throw new IllegalArgumentException("Percent must be 0~100");
+        }
+        Settings.Global.putInt(
+                context.getContentResolver(), DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT, percent);
+    }
+
+    /**
+     * Get dns resolver samples range from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The {@link Range<Integer>} of samples needed for statistics to be considered
+     *         meaningful in the system DNS resolver.
+     */
+    @NonNull
+    public static Range<Integer> getDnsResolverSampleRanges(@NonNull Context context) {
+        final int minSamples = Settings.Global.getInt(context.getContentResolver(),
+                DNS_RESOLVER_MIN_SAMPLES, DNS_RESOLVER_DEFAULT_MIN_SAMPLES);
+        final int maxSamples = Settings.Global.getInt(context.getContentResolver(),
+                DNS_RESOLVER_MAX_SAMPLES, DNS_RESOLVER_DEFAULT_MAX_SAMPLES);
+        return new Range<>(minSamples, maxSamples);
+    }
+
+    /**
+     * Set dns resolver samples range to {@link Settings}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param range The samples range. The minimum number should be more than 0 and the maximum
+     *              number should be less that 64.
+     */
+    public static void setDnsResolverSampleRanges(@NonNull Context context,
+            @NonNull Range<Integer> range) {
+        if (range.getLower() < 0 || range.getUpper() > 64) {
+            throw new IllegalArgumentException("Argument must be 0~64");
+        }
+        Settings.Global.putInt(
+                context.getContentResolver(), DNS_RESOLVER_MIN_SAMPLES, range.getLower());
+        Settings.Global.putInt(
+                context.getContentResolver(), DNS_RESOLVER_MAX_SAMPLES, range.getUpper());
+    }
+
+    /**
+     * Get maximum count (from {@link Settings}) of switching network notifications shown in 24
+     * hours.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default value if no setting value.
+     * @return The maximum count of notifications shown in 24 hours when switching networks.
+     */
+    public static int getNetworkSwitchNotificationMaximumDailyCount(@NonNull Context context,
+            int def) {
+        return Settings.Global.getInt(
+                context.getContentResolver(), NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT, def);
+    }
+
+    /**
+     * Set maximum count (to {@link Settings}) of switching network notifications shown in 24 hours.
+     * The count must be at least 0.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param count The maximum count of switching network notifications shown in 24 hours.
+     */
+    public static void setNetworkSwitchNotificationMaximumDailyCount(@NonNull Context context,
+            @IntRange(from = 0) int count) {
+        if (count < 0) {
+            throw new IllegalArgumentException("Count must be 0~10.");
+        }
+        Settings.Global.putInt(
+                context.getContentResolver(), NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT, count);
+    }
+
+    /**
+     * Get minimum duration (from {@link Settings}) between each switching network notifications.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default time if no setting value.
+     * @return The minimum duration between notifications when switching networks.
+     */
+    @NonNull
+    public static Duration getNetworkSwitchNotificationRateDuration(@NonNull Context context,
+            @NonNull Duration def) {
+        final int duration = Settings.Global.getInt(context.getContentResolver(),
+                NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS, (int) def.toMillis());
+        return Duration.ofMillis(duration);
+    }
+
+    /**
+     * Set minimum duration (to {@link Settings}) between each switching network notifications.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param duration The minimum duration between notifications when switching networks.
+     */
+    public static void setNetworkSwitchNotificationRateDuration(@NonNull Context context,
+            @NonNull Duration duration) {
+        final int time = (int) duration.toMillis();
+        if (time < 0) {
+            throw new IllegalArgumentException("Invalid duration.");
+        }
+        Settings.Global.putInt(context.getContentResolver(),
+                NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS, time);
+    }
+
+    /**
+     * Get URL (from {@link Settings}) used for HTTP captive portal detection upon a new connection.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The URL used for HTTP captive portal detection upon a new connection.
+     */
+    @Nullable
+    public static String getCaptivePortalHttpUrl(@NonNull Context context) {
+        return Settings.Global.getString(context.getContentResolver(), CAPTIVE_PORTAL_HTTP_URL);
+    }
+
+    /**
+     * Set URL (to {@link Settings}) used for HTTP captive portal detection upon a new connection.
+     * This URL should respond with a 204 response to a GET request to indicate no captive portal is
+     * present. And this URL must be HTTP as redirect responses are used to find captive portal
+     * sign-in pages. If the URL set to null or be incorrect, it will result in captive portal
+     * detection failed and lost the connection.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param url The URL used for HTTP captive portal detection upon a new connection.
+     */
+    public static void setCaptivePortalHttpUrl(@NonNull Context context, @Nullable String url) {
+        Settings.Global.putString(context.getContentResolver(), CAPTIVE_PORTAL_HTTP_URL, url);
+    }
+
+    /**
+     * Get mode (from {@link Settings}) when connecting a network that presents a captive portal.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default mode if no setting value.
+     * @return The mode when connecting a network that presents a captive portal.
+     */
+    @CaptivePortalMode
+    public static int getCaptivePortalMode(@NonNull Context context,
+            @CaptivePortalMode int def) {
+        return Settings.Global.getInt(context.getContentResolver(), CAPTIVE_PORTAL_MODE, def);
+    }
+
+    /**
+     * Set mode (to {@link Settings}) when connecting a network that presents a captive portal.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param mode The mode when connecting a network that presents a captive portal.
+     */
+    public static void setCaptivePortalMode(@NonNull Context context, @CaptivePortalMode int mode) {
+        if (!(mode == CAPTIVE_PORTAL_MODE_IGNORE
+                || mode == CAPTIVE_PORTAL_MODE_PROMPT
+                || mode == CAPTIVE_PORTAL_MODE_AVOID)) {
+            throw new IllegalArgumentException("Invalid captive portal mode");
+        }
+        Settings.Global.putInt(context.getContentResolver(), CAPTIVE_PORTAL_MODE, mode);
+    }
+
+    /**
+     * Get the global HTTP proxy applied to the device, or null if none.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The {@link ProxyInfo} which build from global http proxy settings.
+     */
+    @Nullable
+    public static ProxyInfo getGlobalProxy(@NonNull Context context) {
+        final String host = Settings.Global.getString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_HOST);
+        final int port = Settings.Global.getInt(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_PORT, 0 /* def */);
+        final String exclusionList = Settings.Global.getString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
+        final String pacFileUrl = Settings.Global.getString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_PAC);
+
+        if (TextUtils.isEmpty(host) && TextUtils.isEmpty(pacFileUrl)) {
+            return null; // No global proxy.
+        }
+
+        if (TextUtils.isEmpty(pacFileUrl)) {
+            return ProxyInfo.buildDirectProxy(
+                    host, port, ProxyUtils.exclusionStringAsList(exclusionList));
+        } else {
+            return ProxyInfo.buildPacProxy(Uri.parse(pacFileUrl));
+        }
+    }
+
+    /**
+     * Set global http proxy settings from given {@link ProxyInfo}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param proxyInfo The {@link ProxyInfo} for global http proxy settings which build from
+     *                    {@link ProxyInfo#buildPacProxy(Uri)} or
+     *                    {@link ProxyInfo#buildDirectProxy(String, int, List)}
+     */
+    public static void setGlobalProxy(@NonNull Context context, @NonNull ProxyInfo proxyInfo) {
+        final String host = proxyInfo.getHost();
+        final int port = proxyInfo.getPort();
+        final String exclusionList = proxyInfo.getExclusionListAsString();
+        final String pacFileUrl = proxyInfo.getPacFileUrl().toString();
+
+        if (TextUtils.isEmpty(pacFileUrl)) {
+            Settings.Global.putString(context.getContentResolver(), GLOBAL_HTTP_PROXY_HOST, host);
+            Settings.Global.putInt(context.getContentResolver(), GLOBAL_HTTP_PROXY_PORT, port);
+            Settings.Global.putString(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_EXCLUSION_LIST, exclusionList);
+            Settings.Global.putString(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_PAC, "" /* value */);
+        } else {
+            Settings.Global.putString(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_PAC, pacFileUrl);
+            Settings.Global.putString(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_HOST, "" /* value */);
+            Settings.Global.putInt(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_PORT, 0 /* value */);
+            Settings.Global.putString(
+                    context.getContentResolver(), GLOBAL_HTTP_PROXY_EXCLUSION_LIST, "" /* value */);
+        }
+    }
+
+    /**
+     * Clear all global http proxy settings.
+     *
+     * @param context The {@link Context} to set the setting.
+     */
+    public static void clearGlobalProxy(@NonNull Context context) {
+        Settings.Global.putString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_HOST, "" /* value */);
+        Settings.Global.putInt(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_PORT, 0 /* value */);
+        Settings.Global.putString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_EXCLUSION_LIST, "" /* value */);
+        Settings.Global.putString(
+                context.getContentResolver(), GLOBAL_HTTP_PROXY_PAC, "" /* value */);
+    }
+
+    /**
+     * Get specific private dns provider name from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The specific private dns provider name, or null if no setting value.
+     */
+    @Nullable
+    public static String getPrivateDnsHostname(@NonNull Context context) {
+        return Settings.Global.getString(context.getContentResolver(), PRIVATE_DNS_SPECIFIER);
+    }
+
+    /**
+     * Set specific private dns provider name to {@link Settings}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param specifier The specific private dns provider name.
+     */
+    public static void setPrivateDnsHostname(@NonNull Context context,
+            @Nullable String specifier) {
+        Settings.Global.putString(context.getContentResolver(), PRIVATE_DNS_SPECIFIER, specifier);
+    }
+
+    /**
+     * Get default private dns mode from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The default private dns mode.
+     */
+    @PrivateDnsMode
+    @NonNull
+    public static String getPrivateDnsDefaultMode(@NonNull Context context) {
+        return Settings.Global.getString(context.getContentResolver(), PRIVATE_DNS_DEFAULT_MODE);
+    }
+
+    /**
+     * Set default private dns mode to {@link Settings}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param mode The default private dns mode. This should be one of the PRIVATE_DNS_MODE_*
+     *             constants.
+     */
+    public static void setPrivateDnsDefaultMode(@NonNull Context context,
+            @NonNull @PrivateDnsMode String mode) {
+        if (!(mode == PRIVATE_DNS_MODE_OFF
+                || mode == PRIVATE_DNS_MODE_OPPORTUNISTIC
+                || mode == PRIVATE_DNS_MODE_PROVIDER_HOSTNAME)) {
+            throw new IllegalArgumentException("Invalid private dns mode");
+        }
+        Settings.Global.putString(context.getContentResolver(), PRIVATE_DNS_DEFAULT_MODE, mode);
+    }
+
+    /**
+     * Get duration (from {@link Settings}) to keep a PendingIntent-based request.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default duration if no setting value.
+     * @return The duration to keep a PendingIntent-based request.
+     */
+    @NonNull
+    public static Duration getConnectivityKeepPendingIntentDuration(@NonNull Context context,
+            @NonNull Duration def) {
+        final int duration = Settings.Secure.getInt(context.getContentResolver(),
+                CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS, (int) def.toMillis());
+        return Duration.ofMillis(duration);
+    }
+
+    /**
+     * Set duration (to {@link Settings}) to keep a PendingIntent-based request.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param duration The duration to keep a PendingIntent-based request.
+     */
+    public static void setConnectivityKeepPendingIntentDuration(@NonNull Context context,
+            @NonNull Duration duration) {
+        final int time = (int) duration.toMillis();
+        if (time < 0) {
+            throw new IllegalArgumentException("Invalid duration.");
+        }
+        Settings.Secure.putInt(
+                context.getContentResolver(), CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS, time);
+    }
+
+    /**
+     * Read from {@link Settings} whether the mobile data connection should remain active
+     * even when higher priority networks are active.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default value if no setting value.
+     * @return Whether the mobile data connection should remain active even when higher
+     *         priority networks are active.
+     */
+    public static boolean getMobileDataAlwaysOn(@NonNull Context context, boolean def) {
+        final int enable = Settings.Global.getInt(
+                context.getContentResolver(), MOBILE_DATA_ALWAYS_ON, (def ? 1 : 0));
+        return (enable != 0) ? true : false;
+    }
+
+    /**
+     * Write into {@link Settings} whether the mobile data connection should remain active
+     * even when higher priority networks are active.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param enable Whether the mobile data connection should remain active even when higher
+     *               priority networks are active.
+     */
+    public static void setMobileDataAlwaysOn(@NonNull Context context, boolean enable) {
+        Settings.Global.putInt(
+                context.getContentResolver(), MOBILE_DATA_ALWAYS_ON, (enable ? 1 : 0));
+    }
+
+    /**
+     * Read from {@link Settings} whether the wifi data connection should remain active
+     * even when higher priority networks are active.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @param def The default value if no setting value.
+     * @return Whether the wifi data connection should remain active even when higher
+     *         priority networks are active.
+     */
+    public static boolean getWifiAlwaysRequested(@NonNull Context context, boolean def) {
+        final int enable = Settings.Global.getInt(
+                context.getContentResolver(), WIFI_ALWAYS_REQUESTED, (def ? 1 : 0));
+        return (enable != 0) ? true : false;
+    }
+
+    /**
+     * Write into {@link Settings} whether the wifi data connection should remain active
+     * even when higher priority networks are active.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param enable Whether the wifi data connection should remain active even when higher
+     *               priority networks are active
+     */
+    public static void setWifiAlwaysRequested(@NonNull Context context, boolean enable) {
+        Settings.Global.putInt(
+                context.getContentResolver(), WIFI_ALWAYS_REQUESTED, (enable ? 1 : 0));
+    }
+
+    /**
+     * Get avoid bad wifi setting from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The setting whether to automatically switch away from wifi networks that lose
+     *         internet access.
+     */
+    @NetworkAvoidBadWifi
+    public static int getNetworkAvoidBadWifi(@NonNull Context context) {
+        final String setting =
+                Settings.Global.getString(context.getContentResolver(), NETWORK_AVOID_BAD_WIFI);
+        if ("0".equals(setting)) {
+            return NETWORK_AVOID_BAD_WIFI_IGNORE;
+        } else if ("1".equals(setting)) {
+            return NETWORK_AVOID_BAD_WIFI_AVOID;
+        } else {
+            return NETWORK_AVOID_BAD_WIFI_PROMPT;
+        }
+    }
+
+    /**
+     * Set avoid bad wifi setting to {@link Settings}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param value Whether to automatically switch away from wifi networks that lose internet
+     *              access.
+     */
+    public static void setNetworkAvoidBadWifi(@NonNull Context context,
+            @NetworkAvoidBadWifi int value) {
+        final String setting;
+        if (value == NETWORK_AVOID_BAD_WIFI_IGNORE) {
+            setting = "0";
+        } else if (value == NETWORK_AVOID_BAD_WIFI_AVOID) {
+            setting = "1";
+        } else if (value == NETWORK_AVOID_BAD_WIFI_PROMPT) {
+            setting = null;
+        } else {
+            throw new IllegalArgumentException("Invalid avoid bad wifi setting");
+        }
+        Settings.Global.putString(context.getContentResolver(), NETWORK_AVOID_BAD_WIFI, setting);
+    }
+
+    /**
+     * Get network metered multipath preference from {@link Settings}.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return The network metered multipath preference which should be one of
+     *         ConnectivityManager#MULTIPATH_PREFERENCE_* value or null if the value specified
+     *         by config_networkMeteredMultipathPreference is used.
+     */
+    @Nullable
+    public static String getNetworkMeteredMultipathPreference(@NonNull Context context) {
+        return Settings.Global.getString(
+                context.getContentResolver(), NETWORK_METERED_MULTIPATH_PREFERENCE);
+    }
+
+    /**
+     * Set network metered multipath preference to {@link Settings}.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param preference The network metered multipath preference which should be one of
+     *                   ConnectivityManager#MULTIPATH_PREFERENCE_* value or null if the value
+     *                   specified by config_networkMeteredMultipathPreference is used.
+     */
+    public static void setNetworkMeteredMultipathPreference(@NonNull Context context,
+            @NonNull @MultipathPreference String preference) {
+        if (!(Integer.valueOf(preference) == MULTIPATH_PREFERENCE_HANDOVER
+                || Integer.valueOf(preference) == MULTIPATH_PREFERENCE_RELIABILITY
+                || Integer.valueOf(preference) == MULTIPATH_PREFERENCE_PERFORMANCE)) {
+            throw new IllegalArgumentException("Invalid private dns mode");
+        }
+        Settings.Global.putString(
+                context.getContentResolver(), NETWORK_METERED_MULTIPATH_PREFERENCE, preference);
+    }
+
+    /**
+     * Get the list of apps(from {@link Settings}) that should go on cellular networks in preference
+     * even when higher-priority networks are connected.
+     *
+     * @param context The {@link Context} to query the setting.
+     * @return A list of apps that should go on cellular networks in preference even when
+     *         higher-priority networks are connected or null if no setting value.
+     */
+    @Nullable
+    public static String getMobileDataPreferredApps(@NonNull Context context) {
+        return Settings.Secure.getString(context.getContentResolver(), MOBILE_DATA_PREFERRED_APPS);
+    }
+
+    /**
+     * Set the list of apps(to {@link Settings}) that should go on cellular networks in preference
+     * even when higher-priority networks are connected.
+     *
+     * @param context The {@link Context} to set the setting.
+     * @param list A list of apps that should go on cellular networks in preference even when
+     *             higher-priority networks are connected.
+     */
+    public static void setMobileDataPreferredApps(@NonNull Context context, @Nullable String list) {
+        Settings.Secure.putString(context.getContentResolver(), MOBILE_DATA_PREFERRED_APPS, list);
+    }
 }
diff --git a/packages/Connectivity/framework/src/android/net/INetworkAgent.aidl b/packages/Connectivity/framework/src/android/net/INetworkAgent.aidl
index 1f66e18..f9d3994 100644
--- a/packages/Connectivity/framework/src/android/net/INetworkAgent.aidl
+++ b/packages/Connectivity/framework/src/android/net/INetworkAgent.aidl
@@ -46,4 +46,6 @@
     void onRemoveKeepalivePacketFilter(int slot);
     void onQosFilterCallbackRegistered(int qosCallbackId, in QosFilterParcelable filterParcel);
     void onQosCallbackUnregistered(int qosCallbackId);
+    void onNetworkCreated();
+    void onNetworkDisconnected();
 }
diff --git a/packages/Connectivity/framework/src/android/net/NetworkAgent.java b/packages/Connectivity/framework/src/android/net/NetworkAgent.java
index 2eefba9..6b55bb7 100644
--- a/packages/Connectivity/framework/src/android/net/NetworkAgent.java
+++ b/packages/Connectivity/framework/src/android/net/NetworkAgent.java
@@ -362,10 +362,25 @@
      */
     public static final int CMD_UNREGISTER_QOS_CALLBACK = BASE + 21;
 
+    /**
+     * Sent by ConnectivityService to {@link NetworkAgent} to inform the agent that its native
+     * network was created and the Network object is now valid.
+     *
+     * @hide
+     */
+    public static final int CMD_NETWORK_CREATED = BASE + 22;
+
+    /**
+     * Sent by ConnectivityService to {@link NetworkAgent} to inform the agent that its native
+     * network was destroyed.
+     *
+     * @hide
+     */
+    public static final int CMD_NETWORK_DISCONNECTED = BASE + 23;
+
     private static NetworkInfo getLegacyNetworkInfo(final NetworkAgentConfig config) {
-        // The subtype can be changed with (TODO) setLegacySubtype, but it starts
-        // with 0 (TelephonyManager.NETWORK_TYPE_UNKNOWN) and an empty description.
-        final NetworkInfo ni = new NetworkInfo(config.legacyType, 0, config.legacyTypeName, "");
+        final NetworkInfo ni = new NetworkInfo(config.legacyType, config.legacySubType,
+                config.legacyTypeName, config.legacySubTypeName);
         ni.setIsAvailable(true);
         ni.setDetailedState(NetworkInfo.DetailedState.CONNECTING, null /* reason */,
                 config.getLegacyExtraInfo());
@@ -391,7 +406,6 @@
      * @param score the initial score of this network. Update with sendNetworkScore.
      * @param config an immutable {@link NetworkAgentConfig} for this agent.
      * @param provider the {@link NetworkProvider} managing this agent.
-     * @hide TODO : unhide when impl is complete
      */
     public NetworkAgent(@NonNull Context context, @NonNull Looper looper, @NonNull String logTag,
             @NonNull NetworkCapabilities nc, @NonNull LinkProperties lp,
@@ -563,6 +577,14 @@
                             msg.arg1 /* QoS callback id */);
                     break;
                 }
+                case CMD_NETWORK_CREATED: {
+                    onNetworkCreated();
+                    break;
+                }
+                case CMD_NETWORK_DISCONNECTED: {
+                    onNetworkDisconnected();
+                    break;
+                }
             }
         }
     }
@@ -703,6 +725,16 @@
             mHandler.sendMessage(mHandler.obtainMessage(
                     CMD_UNREGISTER_QOS_CALLBACK, qosCallbackId, 0, null));
         }
+
+        @Override
+        public void onNetworkCreated() {
+            mHandler.sendMessage(mHandler.obtainMessage(CMD_NETWORK_CREATED));
+        }
+
+        @Override
+        public void onNetworkDisconnected() {
+            mHandler.sendMessage(mHandler.obtainMessage(CMD_NETWORK_DISCONNECTED));
+        }
     }
 
     /**
@@ -830,6 +862,7 @@
      * @hide
      */
     @Deprecated
+    @SystemApi
     public void setLegacySubtype(final int legacySubtype, @NonNull final String legacySubtypeName) {
         mNetworkInfo.setSubtype(legacySubtype, legacySubtypeName);
         queueOrSendNetworkInfo(mNetworkInfo);
@@ -963,6 +996,7 @@
      * shall try to overwrite this method and produce a bandwidth update if capable.
      * @hide
      */
+    @SystemApi
     public void onBandwidthUpdateRequested() {
         pollLceData();
     }
@@ -1011,6 +1045,17 @@
     }
 
     /**
+     * Called when ConnectivityService has successfully created this NetworkAgent's native network.
+     */
+    public void onNetworkCreated() {}
+
+
+    /**
+     * Called when ConnectivityService has successfully destroy this NetworkAgent's native network.
+     */
+    public void onNetworkDisconnected() {}
+
+    /**
      * Requests that the network hardware send the specified packet at the specified interval.
      *
      * @param slot the hardware slot on which to start the keepalive.
diff --git a/packages/Connectivity/framework/src/android/net/NetworkAgentConfig.java b/packages/Connectivity/framework/src/android/net/NetworkAgentConfig.java
index 0bd2371..3f058d8 100644
--- a/packages/Connectivity/framework/src/android/net/NetworkAgentConfig.java
+++ b/packages/Connectivity/framework/src/android/net/NetworkAgentConfig.java
@@ -175,6 +175,12 @@
     }
 
     /**
+     * The legacy Sub type of this network agent, or TYPE_NONE if unset.
+     * @hide
+     */
+    public int legacySubType = ConnectivityManager.TYPE_NONE;
+
+    /**
      * Set to true if the PRIVATE_DNS_BROKEN notification has shown for this network.
      * Reset this bit when private DNS mode is changed from strict mode to opportunistic/off mode.
      *
@@ -200,6 +206,13 @@
     }
 
     /**
+     * The name of the legacy Sub network type. It's a free-form string.
+     * @hide
+     */
+    @NonNull
+    public String legacySubTypeName = "";
+
+    /**
      * The legacy extra info of the agent. The extra info should only be :
      * <ul>
      *   <li>For cellular agents, the APN name.</li>
@@ -235,6 +248,8 @@
             skip464xlat = nac.skip464xlat;
             legacyType = nac.legacyType;
             legacyTypeName = nac.legacyTypeName;
+            legacySubType = nac.legacySubType;
+            legacySubTypeName = nac.legacySubTypeName;
             mLegacyExtraInfo = nac.mLegacyExtraInfo;
         }
     }
@@ -300,7 +315,6 @@
          * and reduce idle traffic on networks that are known to be IPv6-only without a NAT64.
          *
          * @return this builder, to facilitate chaining.
-         * @hide
          */
         @NonNull
         public Builder disableNat64Detection() {
@@ -313,7 +327,6 @@
          * perform its own carrier-specific provisioning procedure.
          *
          * @return this builder, to facilitate chaining.
-         * @hide
          */
         @NonNull
         public Builder disableProvisioningNotification() {
@@ -334,6 +347,18 @@
         }
 
         /**
+         * Sets the legacy sub-type for this network.
+         *
+         * @param legacySubType the type
+         * @return this builder, to facilitate chaining.
+         */
+        @NonNull
+        public Builder setLegacySubType(final int legacySubType) {
+            mConfig.legacySubType = legacySubType;
+            return this;
+        }
+
+        /**
          * Sets the name of the legacy type of the agent. It's a free-form string used in logging.
          * @param legacyTypeName the name
          * @return this builder, to facilitate chaining.
@@ -345,10 +370,20 @@
         }
 
         /**
+         * Sets the name of the legacy Sub-type of the agent. It's a free-form string.
+         * @param legacySubTypeName the name
+         * @return this builder, to facilitate chaining.
+         */
+        @NonNull
+        public Builder setLegacySubTypeName(@NonNull String legacySubTypeName) {
+            mConfig.legacySubTypeName = legacySubTypeName;
+            return this;
+        }
+
+        /**
          * Sets the legacy extra info of the agent.
          * @param legacyExtraInfo the legacy extra info.
          * @return this builder, to facilitate chaining.
-         * @hide
          */
         @NonNull
         public Builder setLegacyExtraInfo(@NonNull String legacyExtraInfo) {
@@ -435,6 +470,8 @@
         out.writeInt(skip464xlat ? 1 : 0);
         out.writeInt(legacyType);
         out.writeString(legacyTypeName);
+        out.writeInt(legacySubType);
+        out.writeString(legacySubTypeName);
         out.writeString(mLegacyExtraInfo);
     }
 
@@ -452,6 +489,8 @@
             networkAgentConfig.skip464xlat = in.readInt() != 0;
             networkAgentConfig.legacyType = in.readInt();
             networkAgentConfig.legacyTypeName = in.readString();
+            networkAgentConfig.legacySubType = in.readInt();
+            networkAgentConfig.legacySubTypeName = in.readString();
             networkAgentConfig.mLegacyExtraInfo = in.readString();
             return networkAgentConfig;
         }
diff --git a/packages/Connectivity/framework/src/android/net/NetworkScore.java b/packages/Connectivity/framework/src/android/net/NetworkScore.java
index eadcb2d..6584993 100644
--- a/packages/Connectivity/framework/src/android/net/NetworkScore.java
+++ b/packages/Connectivity/framework/src/android/net/NetworkScore.java
@@ -17,6 +17,7 @@
 package android.net;
 
 import android.annotation.NonNull;
+import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -29,7 +30,7 @@
  * network is considered for a particular use.
  * @hide
  */
-// TODO : @SystemApi when the implementation is complete
+@SystemApi
 public final class NetworkScore implements Parcelable {
     // This will be removed soon. Do *NOT* depend on it for any new code that is not part of
     // a migration.
@@ -62,6 +63,8 @@
 
     /**
      * @return whether this score has a particular policy.
+     *
+     * @hide
      */
     @VisibleForTesting
     public boolean hasPolicy(final int policy) {
diff --git a/packages/Connectivity/framework/src/android/net/NetworkUtils.java b/packages/Connectivity/framework/src/android/net/NetworkUtils.java
index c4bebc0..a92fda1 100644
--- a/packages/Connectivity/framework/src/android/net/NetworkUtils.java
+++ b/packages/Connectivity/framework/src/android/net/NetworkUtils.java
@@ -92,7 +92,10 @@
      * Determine if {@code uid} can access network designated by {@code netId}.
      * @return {@code true} if {@code uid} can access network, {@code false} otherwise.
      */
-    public native static boolean queryUserAccess(int uid, int netId);
+    public static boolean queryUserAccess(int uid, int netId) {
+        // TODO (b/183485986): remove this method
+        return false;
+    }
 
     /**
      * DNS resolver series jni method.
diff --git a/packages/Connectivity/framework/src/android/net/SocketKeepalive.java b/packages/Connectivity/framework/src/android/net/SocketKeepalive.java
index d007a95..f6cae72 100644
--- a/packages/Connectivity/framework/src/android/net/SocketKeepalive.java
+++ b/packages/Connectivity/framework/src/android/net/SocketKeepalive.java
@@ -55,36 +55,68 @@
     static final String TAG = "SocketKeepalive";
 
     /**
-     * No errors.
+     * Success. It indicates there is no error.
      * @hide
      */
     @SystemApi
     public static final int SUCCESS = 0;
 
-    /** @hide */
+    /**
+     * No keepalive. This should only be internally as it indicates There is no keepalive.
+     * It should not propagate to applications.
+     * @hide
+     */
     public static final int NO_KEEPALIVE = -1;
 
-    /** @hide */
+    /**
+     * Data received.
+     * @hide
+     */
     public static final int DATA_RECEIVED = -2;
 
-    /** @hide */
+    /**
+     * The binder died.
+     * @hide
+     */
     public static final int BINDER_DIED = -10;
 
-    /** The specified {@code Network} is not connected. */
+    /**
+     * The invalid network. It indicates the specified {@code Network} is not connected.
+     */
     public static final int ERROR_INVALID_NETWORK = -20;
-    /** The specified IP addresses are invalid. For example, the specified source IP address is
-     * not configured on the specified {@code Network}. */
+
+    /**
+     * The invalid IP addresses. Indicates the specified IP addresses are invalid.
+     * For example, the specified source IP address is not configured on the
+     * specified {@code Network}.
+     */
     public static final int ERROR_INVALID_IP_ADDRESS = -21;
-    /** The requested port is invalid. */
+
+    /**
+     * The port is invalid.
+     */
     public static final int ERROR_INVALID_PORT = -22;
-    /** The packet length is invalid (e.g., too long). */
+
+    /**
+     * The length is invalid (e.g. too long).
+     */
     public static final int ERROR_INVALID_LENGTH = -23;
-    /** The packet transmission interval is invalid (e.g., too short). */
+
+    /**
+     * The interval is invalid (e.g. too short).
+     */
     public static final int ERROR_INVALID_INTERVAL = -24;
-    /** The target socket is invalid. */
+
+    /**
+     * The socket is invalid.
+     */
     public static final int ERROR_INVALID_SOCKET = -25;
-    /** The target socket is not idle. */
+
+    /**
+     * The socket is not idle.
+     */
     public static final int ERROR_SOCKET_NOT_IDLE = -26;
+
     /**
      * The stop reason is uninitialized. This should only be internally used as initial state
      * of stop reason, instead of propagating to application.
@@ -92,15 +124,29 @@
      */
     public static final int ERROR_STOP_REASON_UNINITIALIZED = -27;
 
-    /** The device does not support this request. */
+    /**
+     * The request is unsupported.
+     */
     public static final int ERROR_UNSUPPORTED = -30;
-    /** @hide TODO: delete when telephony code has been updated. */
-    public static final int ERROR_HARDWARE_UNSUPPORTED = ERROR_UNSUPPORTED;
-    /** The hardware returned an error. */
+
+    /**
+     * There was a hardware error.
+     */
     public static final int ERROR_HARDWARE_ERROR = -31;
-    /** The limitation of resource is reached. */
+
+    /**
+     * Resources are insufficient (e.g. all hardware slots are in use).
+     */
     public static final int ERROR_INSUFFICIENT_RESOURCES = -32;
 
+    /**
+     * There was no such slot. This should only be internally as it indicates
+     * a programming error in the system server. It should not propagate to
+     * applications.
+     * @hide
+     */
+    @SystemApi
+    public static final int ERROR_NO_SUCH_SLOT = -33;
 
     /** @hide */
     @Retention(RetentionPolicy.SOURCE)
@@ -111,7 +157,8 @@
             ERROR_INVALID_LENGTH,
             ERROR_INVALID_INTERVAL,
             ERROR_INVALID_SOCKET,
-            ERROR_SOCKET_NOT_IDLE
+            ERROR_SOCKET_NOT_IDLE,
+            ERROR_NO_SUCH_SLOT
     })
     public @interface ErrorCode {}
 
@@ -122,7 +169,6 @@
             ERROR_INVALID_LENGTH,
             ERROR_UNSUPPORTED,
             ERROR_INSUFFICIENT_RESOURCES,
-            ERROR_HARDWARE_UNSUPPORTED
     })
     public @interface KeepaliveEvent {}
 
diff --git a/packages/SystemUI/OWNERS b/packages/SystemUI/OWNERS
index f884270..835471d 100644
--- a/packages/SystemUI/OWNERS
+++ b/packages/SystemUI/OWNERS
@@ -9,6 +9,7 @@
 awickham@google.com
 beverlyt@google.com
 brockman@google.com
+ccassidy@google.com
 cinek@google.com
 cwren@google.com
 dupin@google.com
@@ -19,10 +20,10 @@
 hyunyoungs@google.com
 jaggies@google.com
 jamesoleary@google.com
+jdemeulenaere@google.com
 jeffdq@google.com
 jjaggi@google.com
 jonmiranda@google.com
-joshmcgrath@google.com
 joshtrask@google.com
 juliacr@google.com
 juliatuttle@google.com
@@ -37,7 +38,6 @@
 mpietal@google.com
 mrcasey@google.com
 mrenouf@google.com
-nbenbernou@google.com
 nesciosquid@google.com
 ogunwale@google.com
 peanutbutter@google.com
@@ -45,6 +45,7 @@
 pixel@google.com
 roosa@google.com
 santie@google.com
+shanh@google.com
 snoeberger@google.com
 sreyasr@google.com
 steell@google.com
@@ -59,6 +60,7 @@
 vadimt@google.com
 victortulias@google.com
 winsonc@google.com
+yurilin@google.com
 xuqiu@google.com
 zakcohen@google.com
 
diff --git a/packages/VpnDialogs/res/values/strings.xml b/packages/VpnDialogs/res/values/strings.xml
index 443a9bc..f971a09 100644
--- a/packages/VpnDialogs/res/values/strings.xml
+++ b/packages/VpnDialogs/res/values/strings.xml
@@ -28,6 +28,17 @@
         ]]> appears at the top of your screen when VPN is active.
     </string>
 
+    <!-- TV specific dialog message to warn about the risk of using a VPN application. [CHAR LIMIT=NONE] -->
+    <string name="warning" product="tv">
+      <xliff:g id="app">%s</xliff:g> wants to set up a VPN connection
+        that allows it to monitor network traffic. Only accept if you trust the source.
+        <![CDATA[
+        <br />
+        <br />
+        <img src="vpn_icon" />
+        ]]> appears on your screen when VPN is active.
+    </string>
+
     <!-- Dialog title for built-in VPN. [CHAR LIMIT=40]  -->
     <string name="legacy_title">VPN is connected</string>
     <!-- Label for the name of the current VPN session. [CHAR LIMIT=20] -->
diff --git a/services/core/Android.bp b/services/core/Android.bp
index c40afbfe..0ac8f74 100644
--- a/services/core/Android.bp
+++ b/services/core/Android.bp
@@ -210,6 +210,7 @@
         "java/com/android/server/connectivity/AutodestructReference.java",
         "java/com/android/server/connectivity/ConnectivityConstants.java",
         "java/com/android/server/connectivity/DnsManager.java",
+        "java/com/android/server/connectivity/FullScore.java",
         "java/com/android/server/connectivity/KeepaliveTracker.java",
         "java/com/android/server/connectivity/LingerMonitor.java",
         "java/com/android/server/connectivity/MockableSystemProperties.java",
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 1520cdf..0c42585 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -30,6 +30,8 @@
 import static android.net.ConnectivityDiagnosticsManager.DataStallReport.KEY_DNS_CONSECUTIVE_TIMEOUTS;
 import static android.net.ConnectivityDiagnosticsManager.DataStallReport.KEY_TCP_METRICS_COLLECTION_PERIOD_MILLIS;
 import static android.net.ConnectivityDiagnosticsManager.DataStallReport.KEY_TCP_PACKET_FAIL_RATE;
+import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_MASK;
+import static android.net.ConnectivityManager.BLOCKED_REASON_LOCKDOWN_VPN;
 import static android.net.ConnectivityManager.BLOCKED_REASON_NONE;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
@@ -108,6 +110,7 @@
 import android.net.ConnectivityDiagnosticsManager.ConnectivityReport;
 import android.net.ConnectivityDiagnosticsManager.DataStallReport;
 import android.net.ConnectivityManager;
+import android.net.ConnectivityManager.BlockedReason;
 import android.net.ConnectivityManager.NetworkCallback;
 import android.net.ConnectivityManager.RestrictBackgroundStatus;
 import android.net.ConnectivityResources;
@@ -1146,8 +1149,8 @@
         /**
          * @see NetworkUtils#queryUserAccess(int, int)
          */
-        public boolean queryUserAccess(int uid, int netId) {
-            return NetworkUtils.queryUserAccess(uid, netId);
+        public boolean queryUserAccess(int uid, Network network, ConnectivityService cs) {
+            return cs.queryUserAccess(uid, network);
         }
 
         /**
@@ -2338,15 +2341,15 @@
 
     private final NetworkPolicyCallback mPolicyCallback = new NetworkPolicyCallback() {
         @Override
-        public void onUidBlockedReasonChanged(int uid, int blockedReasons) {
+        public void onUidBlockedReasonChanged(int uid, @BlockedReason int blockedReasons) {
             mHandler.sendMessage(mHandler.obtainMessage(EVENT_UID_BLOCKED_REASON_CHANGED,
                     uid, blockedReasons));
         }
     };
 
-    void handleUidBlockedReasonChanged(int uid, int blockedReasons) {
+    private void handleUidBlockedReasonChanged(int uid, @BlockedReason int blockedReasons) {
         maybeNotifyNetworkBlockedForNewState(uid, blockedReasons);
-        mUidBlockedReasons.put(uid, blockedReasons);
+        setUidBlockedReasons(uid, blockedReasons);
     }
 
     private boolean checkAnyPermissionOf(String... permissions) {
@@ -3701,6 +3704,7 @@
             mDnsManager.removeNetwork(nai.network);
         }
         mNetIdManager.releaseNetId(nai.network.getNetId());
+        nai.onNetworkDisconnected();
     }
 
     private boolean createNativeNetwork(@NonNull NetworkAgentInfo networkAgent) {
@@ -4839,6 +4843,42 @@
         nai.networkMonitor().forceReevaluation(uid);
     }
 
+    // TODO: call into netd.
+    private boolean queryUserAccess(int uid, Network network) {
+        final NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network);
+        if (nai == null) return false;
+
+        // Any UID can use its default network.
+        if (nai == getDefaultNetworkForUid(uid)) return true;
+
+        // Privileged apps can use any network.
+        if (mPermissionMonitor.hasRestrictedNetworksPermission(uid)) {
+            return true;
+        }
+
+        // An unprivileged UID can use a VPN iff the VPN applies to it.
+        if (nai.isVPN()) {
+            return nai.networkCapabilities.appliesToUid(uid);
+        }
+
+        // An unprivileged UID can bypass the VPN that applies to it only if it can protect its
+        // sockets, i.e., if it is the owner.
+        final NetworkAgentInfo vpn = getVpnForUid(uid);
+        if (vpn != null && !vpn.networkAgentConfig.allowBypass
+                && uid != vpn.networkCapabilities.getOwnerUid()) {
+            return false;
+        }
+
+        // The UID's permission must be at least sufficient for the network. Since the restricted
+        // permission was already checked above, that just leaves background networks.
+        if (!nai.networkCapabilities.hasCapability(NET_CAPABILITY_FOREGROUND)) {
+            return mPermissionMonitor.hasUseBackgroundNetworksPermission(uid);
+        }
+
+        // Unrestricted network. Anyone gets to use it.
+        return true;
+    }
+
     /**
      * Returns information about the proxy a certain network is using. If given a null network, it
      * it will return the proxy for the bound network for the caller app or the default proxy if
@@ -4859,7 +4899,7 @@
                 return null;
             }
             return getLinkPropertiesProxyInfo(activeNetwork);
-        } else if (mDeps.queryUserAccess(mDeps.getCallingUid(), network.getNetId())) {
+        } else if (mDeps.queryUserAccess(mDeps.getCallingUid(), network, this)) {
             // Don't call getLinkProperties() as it requires ACCESS_NETWORK_STATE permission, which
             // caller may not have.
             return getLinkPropertiesProxyInfo(network);
@@ -5086,7 +5126,7 @@
 
     @Override
     public void setRequireVpnForUids(boolean requireVpn, UidRange[] ranges) {
-        PermissionUtils.enforceNetworkStackPermission(mContext);
+        enforceNetworkStackOrSettingsPermission();
         mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_REQUIRE_VPN_FOR_UIDS,
                 encodeBool(requireVpn), 0 /* arg2 */, ranges));
     }
@@ -5124,7 +5164,7 @@
 
     @Override
     public void setLegacyLockdownVpnEnabled(boolean enabled) {
-        enforceSettingsPermission();
+        enforceNetworkStackOrSettingsPermission();
         mHandler.post(() -> mLockdownEnabled = enabled);
     }
 
@@ -7964,6 +8004,7 @@
                 updateCapabilitiesForNetwork(networkAgent);
             }
             networkAgent.created = true;
+            networkAgent.onNetworkCreated();
         }
 
         if (!networkAgent.everConnected && state == NetworkInfo.State.CONNECTED) {
@@ -8051,12 +8092,11 @@
             return;
         }
 
+        final int blockedReasons = mUidBlockedReasons.get(nri.mAsUid, BLOCKED_REASON_NONE);
         final boolean metered = nai.networkCapabilities.isMetered();
-        boolean blocked;
-        blocked = isUidBlockedByVpn(nri.mAsUid, mVpnBlockedUidRanges);
-        blocked |= NetworkPolicyManager.isUidBlocked(
-                mUidBlockedReasons.get(nri.mAsUid, BLOCKED_REASON_NONE), metered);
-        callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_AVAILABLE, blocked ? 1 : 0);
+        final boolean vpnBlocked = isUidBlockedByVpn(nri.mAsUid, mVpnBlockedUidRanges);
+        callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_AVAILABLE,
+                getBlockedState(blockedReasons, metered, vpnBlocked));
     }
 
     // Notify the requests on this NAI that the network is now lingered.
@@ -8065,6 +8105,21 @@
         notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_LOSING, lingerTime);
     }
 
+    private static int getBlockedState(int reasons, boolean metered, boolean vpnBlocked) {
+        if (!metered) reasons &= ~BLOCKED_METERED_REASON_MASK;
+        return vpnBlocked
+                ? reasons | BLOCKED_REASON_LOCKDOWN_VPN
+                : reasons & ~BLOCKED_REASON_LOCKDOWN_VPN;
+    }
+
+    private void setUidBlockedReasons(int uid, @BlockedReason int blockedReasons) {
+        if (blockedReasons == BLOCKED_REASON_NONE) {
+            mUidBlockedReasons.delete(uid);
+        } else {
+            mUidBlockedReasons.put(uid, blockedReasons);
+        }
+    }
+
     /**
      * Notify of the blocked state apps with a registered callback matching a given NAI.
      *
@@ -8072,7 +8127,10 @@
      * any given nai, all requests need to be considered according to the uid who filed it.
      *
      * @param nai The target NetworkAgentInfo.
-     * @param oldMetered True if the previous network capabilities is metered.
+     * @param oldMetered True if the previous network capabilities were metered.
+     * @param newMetered True if the current network capabilities are metered.
+     * @param oldBlockedUidRanges list of UID ranges previously blocked by lockdown VPN.
+     * @param newBlockedUidRanges list of UID ranges blocked by lockdown VPN.
      */
     private void maybeNotifyNetworkBlocked(NetworkAgentInfo nai, boolean oldMetered,
             boolean newMetered, List<UidRange> oldBlockedUidRanges,
@@ -8081,22 +8139,18 @@
         for (int i = 0; i < nai.numNetworkRequests(); i++) {
             NetworkRequest nr = nai.requestAt(i);
             NetworkRequestInfo nri = mNetworkRequests.get(nr);
-            final boolean oldBlocked, newBlocked, oldVpnBlocked, newVpnBlocked;
 
-            oldVpnBlocked = isUidBlockedByVpn(nri.mAsUid, oldBlockedUidRanges);
-            newVpnBlocked = (oldBlockedUidRanges != newBlockedUidRanges)
+            final int blockedReasons = mUidBlockedReasons.get(nri.mAsUid, BLOCKED_REASON_NONE);
+            final boolean oldVpnBlocked = isUidBlockedByVpn(nri.mAsUid, oldBlockedUidRanges);
+            final boolean newVpnBlocked = (oldBlockedUidRanges != newBlockedUidRanges)
                     ? isUidBlockedByVpn(nri.mAsUid, newBlockedUidRanges)
                     : oldVpnBlocked;
 
-            final int blockedReasons = mUidBlockedReasons.get(nri.mAsUid, BLOCKED_REASON_NONE);
-            oldBlocked = oldVpnBlocked || NetworkPolicyManager.isUidBlocked(
-                    blockedReasons, oldMetered);
-            newBlocked = newVpnBlocked || NetworkPolicyManager.isUidBlocked(
-                    blockedReasons, newMetered);
-
-            if (oldBlocked != newBlocked) {
+            final int oldBlockedState = getBlockedState(blockedReasons, oldMetered, oldVpnBlocked);
+            final int newBlockedState = getBlockedState(blockedReasons, newMetered, newVpnBlocked);
+            if (oldBlockedState != newBlockedState) {
                 callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_BLK_CHANGED,
-                        encodeBool(newBlocked));
+                        newBlockedState);
             }
         }
     }
@@ -8106,25 +8160,23 @@
      * @param uid The uid for which the rules changed.
      * @param blockedReasons The reasons for why an uid is blocked.
      */
-    private void maybeNotifyNetworkBlockedForNewState(int uid, int blockedReasons) {
+    private void maybeNotifyNetworkBlockedForNewState(int uid, @BlockedReason int blockedReasons) {
         for (final NetworkAgentInfo nai : mNetworkAgentInfos) {
             final boolean metered = nai.networkCapabilities.isMetered();
             final boolean vpnBlocked = isUidBlockedByVpn(uid, mVpnBlockedUidRanges);
-            final boolean oldBlocked, newBlocked;
 
-            oldBlocked = vpnBlocked || NetworkPolicyManager.isUidBlocked(
-                    mUidBlockedReasons.get(uid, BLOCKED_REASON_NONE), metered);
-            newBlocked = vpnBlocked || NetworkPolicyManager.isUidBlocked(
-                    blockedReasons, metered);
-            if (oldBlocked == newBlocked) {
+            final int oldBlockedState = getBlockedState(
+                    mUidBlockedReasons.get(uid, BLOCKED_REASON_NONE), metered, vpnBlocked);
+            final int newBlockedState = getBlockedState(blockedReasons, metered, vpnBlocked);
+            if (oldBlockedState == newBlockedState) {
                 continue;
             }
-            final int arg = encodeBool(newBlocked);
             for (int i = 0; i < nai.numNetworkRequests(); i++) {
                 NetworkRequest nr = nai.requestAt(i);
                 NetworkRequestInfo nri = mNetworkRequests.get(nr);
                 if (nri != null && nri.mAsUid == uid) {
-                    callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_BLK_CHANGED, arg);
+                    callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_BLK_CHANGED,
+                            newBlockedState);
                 }
             }
         }
diff --git a/services/core/java/com/android/server/IpSecService.java b/services/core/java/com/android/server/IpSecService.java
index 4c3c6ef..794cb93 100644
--- a/services/core/java/com/android/server/IpSecService.java
+++ b/services/core/java/com/android/server/IpSecService.java
@@ -1651,7 +1651,7 @@
                         c.getMode(),
                         c.getSourceAddress(),
                         c.getDestinationAddress(),
-                        (c.getNetwork() != null) ? c.getNetwork().netId : 0,
+                        (c.getNetwork() != null) ? c.getNetwork().getNetId() : 0,
                         spiRecord.getSpi(),
                         c.getMarkValue(),
                         c.getMarkMask(),
diff --git a/services/core/java/com/android/server/PinnerService.java b/services/core/java/com/android/server/PinnerService.java
index 3148a62..1241b7779 100644
--- a/services/core/java/com/android/server/PinnerService.java
+++ b/services/core/java/com/android/server/PinnerService.java
@@ -270,18 +270,9 @@
      * Handler for on start pinning message
      */
     private void handlePinOnStart() {
-        final String bootImage = SystemProperties.get("dalvik.vm.boot-image", "");
-        String[] filesToPin = null;
-        if (bootImage.endsWith("boot-image.prof")) {
-            // Use the files listed for that specific boot image.
-            // TODO: find a better way to know we're using the JIT zygote configuration.
-            filesToPin = mContext.getResources().getStringArray(
-                  com.android.internal.R.array.config_jitzygoteBootImagePinnerServiceFiles);
-        } else {
-            // Files to pin come from the overlay and can be specified per-device config
-            filesToPin = mContext.getResources().getStringArray(
-                  com.android.internal.R.array.config_defaultPinnerServiceFiles);
-        }
+        // Files to pin come from the overlay and can be specified per-device config
+        String[] filesToPin = mContext.getResources().getStringArray(
+            com.android.internal.R.array.config_defaultPinnerServiceFiles);
         // Continue trying to pin each file even if we fail to pin some of them
         for (String fileToPin : filesToPin) {
             PinnedFile pf = pinFile(fileToPin,
@@ -291,10 +282,32 @@
                 Slog.e(TAG, "Failed to pin file = " + fileToPin);
                 continue;
             }
-
             synchronized (this) {
                 mPinnedFiles.add(pf);
             }
+            if (fileToPin.endsWith(".jar") | fileToPin.endsWith(".apk")) {
+                // Check whether the runtime has compilation artifacts to pin.
+                String arch = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]);
+                String[] files = null;
+                try {
+                    files = DexFile.getDexFileOutputPaths(fileToPin, arch);
+                } catch (IOException ioe) { }
+                if (files == null) {
+                    continue;
+                }
+                for (String file : files) {
+                    PinnedFile df = pinFile(file,
+                                            Integer.MAX_VALUE,
+                                            /*attemptPinIntrospection=*/false);
+                    if (df == null) {
+                        Slog.i(TAG, "Failed to pin ART file = " + file);
+                        continue;
+                    }
+                    synchronized (this) {
+                        mPinnedFiles.add(df);
+                    }
+                }
+            }
         }
     }
 
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index 78ffcbd..a95589b 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -1170,7 +1170,9 @@
                         TelephonyCallback.EVENT_PHYSICAL_CHANNEL_CONFIG_CHANGED)) {
                     try {
                         r.callback.onPhysicalChannelConfigChanged(
-                                mPhysicalChannelConfigs);
+                                shouldSanitizeLocationForPhysicalChannelConfig(r)
+                                        ? getLocationSanitizedConfigs(mPhysicalChannelConfigs)
+                                        : mPhysicalChannelConfigs);
                     } catch (RemoteException ex) {
                         remove(r.binder);
                     }
@@ -2371,8 +2373,10 @@
             return;
         }
 
+        List<PhysicalChannelConfig> sanitizedConfigs = getLocationSanitizedConfigs(configs);
         if (VDBG) {
-            log("notifyPhysicalChannelConfig: subId=" + subId + " configs=" + configs);
+            log("notifyPhysicalChannelConfig: subId=" + subId + " configs=" + configs
+                    + " sanitizedConfigs=" + sanitizedConfigs);
         }
 
         synchronized (mRecords) {
@@ -2385,11 +2389,14 @@
                             && idMatch(r.subId, subId, phoneId)) {
                         try {
                             if (DBG_LOC) {
-                                log("notifyPhysicalChannelConfig: "
-                                        + "mPhysicalChannelConfigs="
-                                        + configs + " r=" + r);
+                                log("notifyPhysicalChannelConfig: mPhysicalChannelConfigs="
+                                        + (shouldSanitizeLocationForPhysicalChannelConfig(r)
+                                                ? sanitizedConfigs : configs)
+                                        + " r=" + r);
                             }
-                            r.callback.onPhysicalChannelConfigChanged(configs);
+                            r.callback.onPhysicalChannelConfigChanged(
+                                    shouldSanitizeLocationForPhysicalChannelConfig(r)
+                                            ? sanitizedConfigs : configs);
                         } catch (RemoteException ex) {
                             mRemoveList.add(r.binder);
                         }
@@ -2400,6 +2407,25 @@
         }
     }
 
+    private static boolean shouldSanitizeLocationForPhysicalChannelConfig(Record record) {
+        // Always redact location info from PhysicalChannelConfig if the registrant is from neither
+        // PHONE nor SYSTEM process. There is no user case that the registrant needs the location
+        // info (e.g. physicalCellId). This also remove the need for the location permissions check.
+        return record.callerUid != Process.PHONE_UID && record.callerUid != Process.SYSTEM_UID;
+    }
+
+    /**
+     * Return a copy of the PhysicalChannelConfig list but with location info removed.
+     */
+    private static List<PhysicalChannelConfig> getLocationSanitizedConfigs(
+            List<PhysicalChannelConfig> configs) {
+        List<PhysicalChannelConfig> sanitizedConfigs = new ArrayList<>(configs.size());
+        for (PhysicalChannelConfig config : configs) {
+            sanitizedConfigs.add(config.createLocationInfoSanitizedCopy());
+        }
+        return sanitizedConfigs;
+    }
+
     /**
      * Notify that the data enabled has changed.
      *
diff --git a/services/core/java/com/android/server/clipboard/ClipboardService.java b/services/core/java/com/android/server/clipboard/ClipboardService.java
index d4eb104..6aec9fc 100644
--- a/services/core/java/com/android/server/clipboard/ClipboardService.java
+++ b/services/core/java/com/android/server/clipboard/ClipboardService.java
@@ -117,6 +117,18 @@
         }
     }
 
+    private byte[] receiveMessage() throws IOException {
+        final int size = Integer.reverseBytes(mPipe.readInt());
+        final byte[] receivedData = new byte[size];
+        mPipe.readFully(receivedData);
+        return receivedData;
+    }
+
+    private void sendMessage(byte[] message) throws IOException {
+        mPipe.writeInt(Integer.reverseBytes(message.length));
+        mPipe.write(message);
+    }
+
     public HostClipboardMonitor(HostClipboardCallback cb) {
         mHostClipboardCallback = cb;
     }
@@ -131,10 +143,8 @@
                 while ((mPipe == null) && !openPipe()) {
                     Thread.sleep(100);
                 }
-                int size = mPipe.readInt();
-                size = Integer.reverseBytes(size);
-                byte[] receivedData = new byte[size];
-                mPipe.readFully(receivedData);
+
+                final byte[] receivedData = receiveMessage();
                 mHostClipboardCallback.onHostClipboardUpdated(
                     new String(receivedData));
             } catch (IOException e) {
@@ -146,8 +156,7 @@
     public void setHostClipboard(String content) {
         try {
             if (mPipe != null) {
-                mPipe.writeInt(Integer.reverseBytes(content.getBytes().length));
-                mPipe.write(content.getBytes());
+                sendMessage(content.getBytes());
             }
         } catch(IOException e) {
             Slog.e("HostClipboardMonitor",
diff --git a/services/core/java/com/android/server/compat/CompatChange.java b/services/core/java/com/android/server/compat/CompatChange.java
index ae9b001..d29a0c7 100644
--- a/services/core/java/com/android/server/compat/CompatChange.java
+++ b/services/core/java/com/android/server/compat/CompatChange.java
@@ -23,7 +23,9 @@
 import android.annotation.Nullable;
 import android.app.compat.PackageOverride;
 import android.compat.annotation.ChangeId;
+import android.compat.annotation.Disabled;
 import android.compat.annotation.EnabledSince;
+import android.compat.annotation.Overridable;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
@@ -60,6 +62,15 @@
     static final long CTS_SYSTEM_API_CHANGEID = 149391281; // This is a bug id.
 
     /**
+     * An overridable change ID to be used only in the CTS test for this SystemApi
+     */
+    @ChangeId
+    @Disabled
+    @Overridable
+    static final long CTS_SYSTEM_API_OVERRIDABLE_CHANGEID = 174043039; // This is a bug id.
+
+
+    /**
      * Callback listener for when compat changes are updated for a package.
      * See {@link #registerListener(ChangeListener)} for more details.
      */
@@ -211,6 +222,7 @@
     boolean hasPackageOverride(String pname) {
         return mRawOverrides.containsKey(pname);
     }
+
     /**
      * Remove any package override for the given package name, restoring the default behaviour.
      *
@@ -355,7 +367,7 @@
             override.setPackageName(entry.getKey());
             override.setMinVersionCode(entry.getValue().getMinVersionCode());
             override.setMaxVersionCode(entry.getValue().getMaxVersionCode());
-            override.setEnabled(entry.getValue().getEnabled());
+            override.setEnabled(entry.getValue().isEnabled());
             rawList.add(override);
         }
         changeOverrides.setRaw(rawOverrides);
diff --git a/services/core/java/com/android/server/compat/CompatConfig.java b/services/core/java/com/android/server/compat/CompatConfig.java
index ef86f42..55e2696 100644
--- a/services/core/java/com/android/server/compat/CompatConfig.java
+++ b/services/core/java/com/android/server/compat/CompatConfig.java
@@ -304,6 +304,16 @@
     }
 
     /**
+     * Returns whether the change is overridable.
+     */
+    boolean isOverridable(long changeId) {
+        synchronized (mChanges) {
+            CompatChange c = mChanges.get(changeId);
+            return c != null && c.getOverridable();
+        }
+    }
+
+    /**
      * Removes an override previously added via {@link #addOverride(long, String, boolean)}.
      *
      * <p>This restores the default behaviour for the given change and app, once any app processes
@@ -343,7 +353,7 @@
 
     /**
      * Removes all overrides previously added via {@link #addOverride(long, String, boolean)} or
-     * {@link #addOverrides(CompatibilityChangeConfig, String)} for a certain package.
+     * {@link #addOverrides(CompatibilityOverrideConfig, String)} for a certain package.
      *
      * <p>This restores the default behaviour for the given app.
      *
@@ -632,8 +642,11 @@
         }
         boolean shouldInvalidateCache = false;
         for (CompatChange c: changes) {
+            if (!c.hasPackageOverride(packageName)) {
+                continue;
+            }
             OverrideAllowedState allowedState =
-                    mOverrideValidator.getOverrideAllowedState(c.getId(), packageName);
+                    mOverrideValidator.getOverrideAllowedStateForRecheck(c.getId(), packageName);
             shouldInvalidateCache |= c.recheckOverride(packageName, allowedState, mContext);
         }
         if (shouldInvalidateCache) {
diff --git a/services/core/java/com/android/server/compat/OverrideValidatorImpl.java b/services/core/java/com/android/server/compat/OverrideValidatorImpl.java
index aa66a1a..b500691 100644
--- a/services/core/java/com/android/server/compat/OverrideValidatorImpl.java
+++ b/services/core/java/com/android/server/compat/OverrideValidatorImpl.java
@@ -16,6 +16,9 @@
 
 package com.android.server.compat;
 
+import static android.Manifest.permission.OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD;
+import static android.content.pm.PackageManager.PERMISSION_GRANTED;
+
 import static com.android.internal.compat.OverrideAllowedState.ALLOWED;
 import static com.android.internal.compat.OverrideAllowedState.DEFERRED_VERIFICATION;
 import static com.android.internal.compat.OverrideAllowedState.DISABLED_NON_TARGET_SDK;
@@ -24,6 +27,7 @@
 import static com.android.internal.compat.OverrideAllowedState.LOGGING_ONLY_CHANGE;
 import static com.android.internal.compat.OverrideAllowedState.PLATFORM_TOO_OLD;
 
+import android.annotation.NonNull;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
@@ -69,8 +73,25 @@
         mForceNonDebuggableFinalBuild = false;
     }
 
+    /**
+     * Check the allowed state for the given changeId and packageName on a recheck.
+     *
+     * <p>Recheck happens when the given app is getting updated. In this case we cannot do a
+     * permission check on the caller, so we're using the fact that the override was present as
+     * proof that the original caller was allowed to set this override.
+     */
+    OverrideAllowedState getOverrideAllowedStateForRecheck(long changeId,
+            @NonNull String packageName) {
+        return getOverrideAllowedStateInternal(changeId, packageName, true);
+    }
+
     @Override
     public OverrideAllowedState getOverrideAllowedState(long changeId, String packageName) {
+        return getOverrideAllowedStateInternal(changeId, packageName, false);
+    }
+
+    private OverrideAllowedState getOverrideAllowedStateInternal(long changeId, String packageName,
+            boolean isRecheck) {
         if (mCompatConfig.isLoggingOnly(changeId)) {
             return new OverrideAllowedState(LOGGING_ONLY_CHANGE, -1, -1);
         }
@@ -99,6 +120,16 @@
         } catch (NameNotFoundException e) {
             return new OverrideAllowedState(DEFERRED_VERIFICATION, -1, -1);
         }
+        // If the change is annotated as @Overridable, apps with the specific permission can
+        // set the override even on production builds. When rechecking the override, e.g. during an
+        // app update we can bypass this check, as it wouldn't have been here in the first place.
+        if (mCompatConfig.isOverridable(changeId)
+                && (isRecheck
+                        || mContext.checkCallingOrSelfPermission(
+                                OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD)
+                                        == PERMISSION_GRANTED)) {
+            return new OverrideAllowedState(ALLOWED, -1, -1);
+        }
         int appTargetSdk = applicationInfo.targetSdkVersion;
         // Only allow overriding debuggable apps.
         if ((applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) {
@@ -130,5 +161,4 @@
     void forceNonDebuggableFinalForTest(boolean value) {
         mForceNonDebuggableFinalBuild = value;
     }
-
 }
diff --git a/services/core/java/com/android/server/compat/PlatformCompat.java b/services/core/java/com/android/server/compat/PlatformCompat.java
index 40e3863..20469a2 100644
--- a/services/core/java/com/android/server/compat/PlatformCompat.java
+++ b/services/core/java/com/android/server/compat/PlatformCompat.java
@@ -18,6 +18,7 @@
 
 import static android.Manifest.permission.LOG_COMPAT_CHANGE;
 import static android.Manifest.permission.OVERRIDE_COMPAT_CHANGE_CONFIG;
+import static android.Manifest.permission.OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD;
 import static android.Manifest.permission.READ_COMPAT_CHANGE_CONFIG;
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 import static android.os.Process.SYSTEM_UID;
@@ -182,11 +183,12 @@
     }
 
     @Override
-    public void setOverridesFromInstaller(CompatibilityOverrideConfig overrides,
+    public void setOverridesOnReleaseBuilds(CompatibilityOverrideConfig overrides,
             String packageName) {
-        checkCompatChangeOverridePermission();
+        // TODO(b/183630314): Unify the permission enforcement with the other setOverrides* methods.
+        checkCompatChangeOverrideOverridablePermission();
+        checkAllCompatOverridesAreOverridable(overrides);
         mCompatConfig.addOverrides(overrides, packageName);
-        killPackage(packageName);
     }
 
     @Override
@@ -383,6 +385,26 @@
         }
     }
 
+    private void checkCompatChangeOverrideOverridablePermission() {
+        // Don't check for permissions within the system process
+        if (Binder.getCallingUid() == SYSTEM_UID) {
+            return;
+        }
+        if (mContext.checkCallingOrSelfPermission(OVERRIDE_COMPAT_CHANGE_CONFIG_ON_RELEASE_BUILD)
+                != PERMISSION_GRANTED) {
+            throw new SecurityException("Cannot override compat change");
+        }
+    }
+
+    private void checkAllCompatOverridesAreOverridable(CompatibilityOverrideConfig overrides) {
+        for (Long changeId : overrides.overrides.keySet()) {
+            if (!mCompatConfig.isOverridable(changeId)) {
+                throw new SecurityException("Only change ids marked as Overridable can be "
+                        + "overridden.");
+            }
+        }
+    }
+
     private void checkCompatChangeReadAndLogPermission() {
         checkCompatChangeReadPermission();
         checkCompatChangeLogPermission();
diff --git a/services/core/java/com/android/server/connectivity/KeepaliveTracker.java b/services/core/java/com/android/server/connectivity/KeepaliveTracker.java
index 7b20ded..058dac8 100644
--- a/services/core/java/com/android/server/connectivity/KeepaliveTracker.java
+++ b/services/core/java/com/android/server/connectivity/KeepaliveTracker.java
@@ -26,6 +26,7 @@
 import static android.net.SocketKeepalive.ERROR_INVALID_IP_ADDRESS;
 import static android.net.SocketKeepalive.ERROR_INVALID_NETWORK;
 import static android.net.SocketKeepalive.ERROR_INVALID_SOCKET;
+import static android.net.SocketKeepalive.ERROR_NO_SUCH_SLOT;
 import static android.net.SocketKeepalive.ERROR_STOP_REASON_UNINITIALIZED;
 import static android.net.SocketKeepalive.ERROR_UNSUPPORTED;
 import static android.net.SocketKeepalive.MAX_INTERVAL_SEC;
@@ -518,6 +519,8 @@
             }
         } else if (reason == ERROR_STOP_REASON_UNINITIALIZED) {
             throw new IllegalStateException("Unexpected stop reason: " + reason);
+        } else if (reason == ERROR_NO_SUCH_SLOT) {
+            throw new IllegalStateException("No such slot: " + reason);
         } else {
             notifyErrorCallback(ki.mCallback, reason);
         }
diff --git a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
index a8cbcb5..97df5bf 100644
--- a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
+++ b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
@@ -577,6 +577,28 @@
         }
     }
 
+    /**
+     * Notify the NetworkAgent that the network is successfully connected.
+     */
+    public void onNetworkCreated() {
+        try {
+            networkAgent.onNetworkCreated();
+        } catch (RemoteException e) {
+            Log.e(TAG, "Error sending network created event", e);
+        }
+    }
+
+    /**
+     * Notify the NetworkAgent that the network is disconnected and destroyed.
+     */
+    public void onNetworkDisconnected() {
+        try {
+            networkAgent.onNetworkDisconnected();
+        } catch (RemoteException e) {
+            Log.e(TAG, "Error sending network disconnected event", e);
+        }
+    }
+
     // TODO: consider moving out of NetworkAgentInfo into its own class
     private class NetworkAgentMessageHandler extends INetworkAgentRegistry.Stub {
         private final Handler mHandler;
diff --git a/services/core/java/com/android/server/connectivity/PermissionMonitor.java b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
index 488677a..3711679 100644
--- a/services/core/java/com/android/server/connectivity/PermissionMonitor.java
+++ b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
@@ -271,6 +271,13 @@
         return mApps.containsKey(uid);
     }
 
+    /**
+     * Returns whether the given uid has permission to use restricted networks.
+     */
+    public synchronized boolean hasRestrictedNetworksPermission(int uid) {
+        return Boolean.TRUE.equals(mApps.get(uid));
+    }
+
     private void update(Set<UserHandle> users, Map<Integer, Boolean> apps, boolean add) {
         List<Integer> network = new ArrayList<>();
         List<Integer> system = new ArrayList<>();
diff --git a/services/core/java/com/android/server/connectivity/Vpn.java b/services/core/java/com/android/server/connectivity/Vpn.java
index c8f9982..e5ce4f0 100644
--- a/services/core/java/com/android/server/connectivity/Vpn.java
+++ b/services/core/java/com/android/server/connectivity/Vpn.java
@@ -17,7 +17,6 @@
 package com.android.server.connectivity;
 
 import static android.Manifest.permission.BIND_VPN_SERVICE;
-import static android.net.ConnectivityManager.NETID_UNSET;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_METERED;
 import static android.net.RouteInfo.RTN_THROW;
 import static android.net.RouteInfo.RTN_UNREACHABLE;
@@ -1127,17 +1126,19 @@
     }
 
     /**
-     * Return netId of current running VPN network.
+     * Return Network of current running VPN network.
      *
-     * @return a netId if there is a running VPN network or NETID_UNSET if there is no running VPN
+     * @return a Network if there is a running VPN network or null if there is no running VPN
      *         network or network is null.
      */
-    public synchronized int getNetId() {
+    @VisibleForTesting
+    @Nullable
+    public synchronized Network getNetwork() {
         final NetworkAgent agent = mNetworkAgent;
-        if (null == agent) return NETID_UNSET;
+        if (null == agent) return null;
         final Network network = agent.getNetwork();
-        if (null == network) return NETID_UNSET;
-        return network.getNetId();
+        if (null == network) return null;
+        return network;
     }
 
     private LinkProperties makeLinkProperties() {
@@ -1287,7 +1288,6 @@
         });
         mNetworkAgent.setUnderlyingNetworks((mConfig.underlyingNetworks != null)
                 ? Arrays.asList(mConfig.underlyingNetworks) : null);
-        mNetworkInfo.setIsAvailable(true);
         updateState(DetailedState.CONNECTED, "agentConnect");
     }
 
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java
index f658e33..58a7025 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java
@@ -619,8 +619,10 @@
             }
         }
 
-        addAndStartAction(new NewDeviceAction(this, activeSource.logicalAddress,
-                activeSource.physicalAddress, deviceType));
+        if (!mService.isPowerStandbyOrTransient()) {
+            addAndStartAction(new NewDeviceAction(this, activeSource.logicalAddress,
+                    activeSource.physicalAddress, deviceType));
+        }
     }
 
     private boolean handleNewDeviceAtTheTailOfActivePath(int path) {
@@ -796,10 +798,12 @@
     @ServiceThreadOnly
     void onNewAvrAdded(HdmiDeviceInfo avr) {
         assertRunOnServiceThread();
-        addAndStartAction(new SystemAudioAutoInitiationAction(this, avr.getLogicalAddress()));
-        if (isConnected(avr.getPortId()) && isArcFeatureEnabled(avr.getPortId())
-                && !hasAction(SetArcTransmissionStateAction.class)) {
-            startArcAction(true);
+        if (!mService.isPowerStandbyOrTransient()) {
+            addAndStartAction(new SystemAudioAutoInitiationAction(this, avr.getLogicalAddress()));
+            if (isConnected(avr.getPortId()) && isArcFeatureEnabled(avr.getPortId())
+                    && !hasAction(SetArcTransmissionStateAction.class)) {
+                startArcAction(true);
+            }
         }
     }
 
@@ -1656,6 +1660,7 @@
         // Remove recording actions.
         removeAction(OneTouchRecordAction.class);
         removeAction(TimerRecordingAction.class);
+        removeAction(NewDeviceAction.class);
 
         disableSystemAudioIfExist();
         disableArcIfExist();
@@ -1696,12 +1701,20 @@
         setArcStatus(false);
 
         // Seq #44.
-        removeAction(RequestArcInitiationAction.class);
+        removeAllRunningArcAction();
         if (!hasAction(RequestArcTerminationAction.class) && isArcEstablished()) {
             addAndStartAction(new RequestArcTerminationAction(this, avr.getLogicalAddress()));
         }
     }
 
+    @ServiceThreadOnly
+    private void removeAllRunningArcAction() {
+        // Running or pending actions make TV fail to broadcast <Standby> to connected devices
+        removeAction(RequestArcTerminationAction.class);
+        removeAction(RequestArcInitiationAction.class);
+        removeAction(SetArcTransmissionStateAction.class);
+    }
+
     @Override
     @ServiceThreadOnly
     protected void onStandby(boolean initiatedByCec, int standbyAction) {
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerInternal.java b/services/core/java/com/android/server/net/NetworkPolicyManagerInternal.java
index 39ed7e8..2e4d41c 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerInternal.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerInternal.java
@@ -96,9 +96,10 @@
 
     /**
      *  Notifies that the specified {@link NetworkStatsProvider} has reached its quota
-     *  which was set through {@link NetworkStatsProvider#onSetLimit(String, long)}.
+     *  which was set through {@link NetworkStatsProvider#onSetLimit(String, long)} or
+     *  {@link NetworkStatsProvider#onSetWarningAndLimit(String, long, long)}.
      *
      * @param tag the human readable identifier of the custom network stats provider.
      */
-    public abstract void onStatsProviderLimitReached(@NonNull String tag);
+    public abstract void onStatsProviderWarningOrLimitReached(@NonNull String tag);
 }
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index 7f8f646..e9d5fe6 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -40,6 +40,7 @@
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_ADMIN_DISABLED;
 import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_DATA_SAVER;
+import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_MASK;
 import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_USER_RESTRICTED;
 import static android.net.ConnectivityManager.BLOCKED_REASON_APP_STANDBY;
 import static android.net.ConnectivityManager.BLOCKED_REASON_BATTERY_SAVER;
@@ -74,7 +75,6 @@
 import static android.net.NetworkPolicyManager.ALLOWED_REASON_POWER_SAVE_EXCEPT_IDLE_ALLOWLIST;
 import static android.net.NetworkPolicyManager.ALLOWED_REASON_RESTRICTED_MODE_PERMISSIONS;
 import static android.net.NetworkPolicyManager.ALLOWED_REASON_SYSTEM;
-import static android.net.NetworkPolicyManager.BLOCKED_METERED_REASON_MASK;
 import static android.net.NetworkPolicyManager.EXTRA_NETWORK_TEMPLATE;
 import static android.net.NetworkPolicyManager.FIREWALL_RULE_DEFAULT;
 import static android.net.NetworkPolicyManager.MASK_ALL_NETWORKS;
@@ -174,12 +174,10 @@
 import android.database.ContentObserver;
 import android.net.ConnectivityManager;
 import android.net.ConnectivityManager.NetworkCallback;
-import android.net.IConnectivityManager;
 import android.net.INetworkManagementEventObserver;
 import android.net.INetworkPolicyListener;
 import android.net.INetworkPolicyManager;
 import android.net.INetworkStatsService;
-import android.net.LinkProperties;
 import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.NetworkIdentity;
@@ -433,7 +431,7 @@
     private static final int MSG_METERED_RESTRICTED_PACKAGES_CHANGED = 17;
     private static final int MSG_SET_NETWORK_TEMPLATE_ENABLED = 18;
     private static final int MSG_SUBSCRIPTION_PLANS_CHANGED = 19;
-    private static final int MSG_STATS_PROVIDER_LIMIT_REACHED = 20;
+    private static final int MSG_STATS_PROVIDER_WARNING_OR_LIMIT_REACHED = 20;
     // TODO: Add similar docs for other messages.
     /**
      * Message to indicate that reasons for why an uid is blocked changed.
@@ -1220,10 +1218,11 @@
 
     private static boolean updateCapabilityChange(SparseBooleanArray lastValues, boolean newValue,
             Network network) {
-        final boolean lastValue = lastValues.get(network.netId, false);
-        final boolean changed = (lastValue != newValue) || lastValues.indexOfKey(network.netId) < 0;
+        final boolean lastValue = lastValues.get(network.getNetId(), false);
+        final boolean changed = (lastValue != newValue)
+                || lastValues.indexOfKey(network.getNetId()) < 0;
         if (changed) {
-            lastValues.put(network.netId, newValue);
+            lastValues.put(network.getNetId(), newValue);
         }
         return changed;
     }
@@ -1246,7 +1245,7 @@
                         mNetworkRoaming, newRoaming, network);
 
                 if (meteredChanged || roamingChanged) {
-                    mLogger.meterednessChanged(network.netId, newMetered);
+                    mLogger.meterednessChanged(network.getNetId(), newMetered);
                     updateNetworkRulesNL();
                 }
             }
@@ -1922,16 +1921,7 @@
      * Collect all ifaces from a {@link NetworkStateSnapshot} into the given set.
      */
     private static void collectIfaces(ArraySet<String> ifaces, NetworkStateSnapshot snapshot) {
-        final String baseIface = snapshot.linkProperties.getInterfaceName();
-        if (baseIface != null) {
-            ifaces.add(baseIface);
-        }
-        for (LinkProperties stackedLink : snapshot.linkProperties.getStackedLinks()) {
-            final String stackedIface = stackedLink.getInterfaceName();
-            if (stackedIface != null) {
-                ifaces.add(stackedIface);
-            }
-        }
+        ifaces.addAll(snapshot.linkProperties.getAllInterfaceNames());
     }
 
     /**
@@ -2012,7 +2002,7 @@
         mNetIdToSubId.clear();
         final ArrayMap<NetworkStateSnapshot, NetworkIdentity> identified = new ArrayMap<>();
         for (final NetworkStateSnapshot snapshot : snapshots) {
-            mNetIdToSubId.put(snapshot.network.netId, parseSubId(snapshot));
+            mNetIdToSubId.put(snapshot.network.getNetId(), parseSubId(snapshot));
 
             // Policies matched by NPMS only match by subscriber ID or by ssid. Thus subtype
             // in the object created here is never used and its value doesn't matter, so use
@@ -2045,39 +2035,34 @@
 
             final boolean hasWarning = policy.warningBytes != LIMIT_DISABLED;
             final boolean hasLimit = policy.limitBytes != LIMIT_DISABLED;
-            if (hasLimit || policy.metered) {
-                final long quotaBytes;
-                if (hasLimit && policy.hasCycle()) {
-                    final Pair<ZonedDateTime, ZonedDateTime> cycle = NetworkPolicyManager
-                            .cycleIterator(policy).next();
-                    final long start = cycle.first.toInstant().toEpochMilli();
-                    final long end = cycle.second.toInstant().toEpochMilli();
-                    final long totalBytes = getTotalBytes(policy.template, start, end);
+            long limitBytes = Long.MAX_VALUE;
+            if (hasLimit && policy.hasCycle()) {
+                final Pair<ZonedDateTime, ZonedDateTime> cycle = NetworkPolicyManager
+                        .cycleIterator(policy).next();
+                final long start = cycle.first.toInstant().toEpochMilli();
+                final long end = cycle.second.toInstant().toEpochMilli();
+                final long totalBytes = getTotalBytes(policy.template, start, end);
 
-                    if (policy.lastLimitSnooze >= start) {
-                        // snoozing past quota, but we still need to restrict apps,
-                        // so push really high quota.
-                        quotaBytes = Long.MAX_VALUE;
-                    } else {
-                        // remaining "quota" bytes are based on total usage in
-                        // current cycle. kernel doesn't like 0-byte rules, so we
-                        // set 1-byte quota and disable the radio later.
-                        quotaBytes = Math.max(1, policy.limitBytes - totalBytes);
-                    }
-                } else {
-                    // metered network, but no policy limit; we still need to
-                    // restrict apps, so push really high quota.
-                    quotaBytes = Long.MAX_VALUE;
+                if (policy.lastLimitSnooze < start) {
+                    // remaining "quota" bytes are based on total usage in
+                    // current cycle. kernel doesn't like 0-byte rules, so we
+                    // set 1-byte quota and disable the radio later.
+                    limitBytes = Math.max(1, policy.limitBytes - totalBytes);
                 }
+            }
 
+            if (hasLimit || policy.metered) {
                 if (matchingIfaces.size() > 1) {
                     // TODO: switch to shared quota once NMS supports
                     Slog.w(TAG, "shared quota unsupported; generating rule for each iface");
                 }
 
+                // Set the interface limit. For interfaces which has no cycle, or metered with
+                // no policy limit, or snoozed limit notification; we still need to put iptables
+                // rule hooks to restrict apps for data saver, so push really high quota.
                 for (int j = matchingIfaces.size() - 1; j >= 0; j--) {
                     final String iface = matchingIfaces.valueAt(j);
-                    setInterfaceQuotaAsync(iface, quotaBytes);
+                    setInterfaceQuotaAsync(iface, limitBytes);
                     newMeteredIfaces.add(iface);
                 }
             }
@@ -4982,7 +4967,7 @@
                     mListeners.finishBroadcast();
                     return true;
                 }
-                case MSG_STATS_PROVIDER_LIMIT_REACHED: {
+                case MSG_STATS_PROVIDER_WARNING_OR_LIMIT_REACHED: {
                     mNetworkStats.forceUpdate();
 
                     synchronized (mNetworkPoliciesSecondLock) {
@@ -5738,9 +5723,9 @@
         }
 
         @Override
-        public void onStatsProviderLimitReached(@NonNull String tag) {
-            Log.v(TAG, "onStatsProviderLimitReached: " + tag);
-            mHandler.obtainMessage(MSG_STATS_PROVIDER_LIMIT_REACHED).sendToTarget();
+        public void onStatsProviderWarningOrLimitReached(@NonNull String tag) {
+            Log.v(TAG, "onStatsProviderWarningOrLimitReached: " + tag);
+            mHandler.obtainMessage(MSG_STATS_PROVIDER_WARNING_OR_LIMIT_REACHED).sendToTarget();
         }
     }
 
@@ -5782,7 +5767,7 @@
 
     @GuardedBy("mNetworkPoliciesSecondLock")
     private int getSubIdLocked(Network network) {
-        return mNetIdToSubId.get(network.netId, INVALID_SUBSCRIPTION_ID);
+        return mNetIdToSubId.get(network.getNetId(), INVALID_SUBSCRIPTION_ID);
     }
 
     @GuardedBy("mNetworkPoliciesSecondLock")
diff --git a/services/core/java/com/android/server/net/NetworkStatsService.java b/services/core/java/com/android/server/net/NetworkStatsService.java
index 7b376847..445a425 100644
--- a/services/core/java/com/android/server/net/NetworkStatsService.java
+++ b/services/core/java/com/android/server/net/NetworkStatsService.java
@@ -24,6 +24,7 @@
 import static android.content.Intent.ACTION_USER_REMOVED;
 import static android.content.Intent.EXTRA_UID;
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
+import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
 import static android.net.NetworkIdentity.SUBTYPE_COMBINED;
 import static android.net.NetworkStack.checkNetworkStackPermission;
 import static android.net.NetworkStats.DEFAULT_NETWORK_ALL;
@@ -65,6 +66,7 @@
 import static android.provider.Settings.Global.NETSTATS_UID_TAG_DELETE_AGE;
 import static android.provider.Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES;
 import static android.provider.Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE;
+import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
 import static android.text.format.DateUtils.DAY_IN_MILLIS;
 import static android.text.format.DateUtils.HOUR_IN_MILLIS;
 import static android.text.format.DateUtils.MINUTE_IN_MILLIS;
@@ -92,7 +94,6 @@
 import android.net.INetworkManagementEventObserver;
 import android.net.INetworkStatsService;
 import android.net.INetworkStatsSession;
-import android.net.LinkProperties;
 import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.NetworkIdentity;
@@ -101,7 +102,9 @@
 import android.net.NetworkStats;
 import android.net.NetworkStats.NonMonotonicObserver;
 import android.net.NetworkStatsHistory;
+import android.net.NetworkSpecifier;
 import android.net.NetworkTemplate;
+import android.net.TelephonyNetworkSpecifier;
 import android.net.TrafficStats;
 import android.net.UnderlyingNetworkInfo;
 import android.net.Uri;
@@ -131,6 +134,7 @@
 import android.service.NetworkStatsServiceDumpProto;
 import android.telephony.PhoneStateListener;
 import android.telephony.SubscriptionPlan;
+import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;
@@ -1320,8 +1324,9 @@
                             ident.getSubType(), ident.getSubscriberId(), ident.getNetworkId(),
                             ident.getRoaming(), true /* metered */,
                             true /* onDefaultNetwork */, ident.getOemManaged());
-                    findOrCreateNetworkIdentitySet(mActiveIfaces, IFACE_VT).add(vtIdent);
-                    findOrCreateNetworkIdentitySet(mActiveUidIfaces, IFACE_VT).add(vtIdent);
+                    final String ifaceVt = IFACE_VT + getSubIdForMobile(snapshot);
+                    findOrCreateNetworkIdentitySet(mActiveIfaces, ifaceVt).add(vtIdent);
+                    findOrCreateNetworkIdentitySet(mActiveUidIfaces, ifaceVt).add(vtIdent);
                 }
 
                 if (isMobile) {
@@ -1358,17 +1363,18 @@
             // (or non eBPF offloaded) TX they would appear on both, however egress interface
             // accounting is explicitly bypassed for traffic from the clat uid.
             //
-            final List<LinkProperties> stackedLinks = snapshot.linkProperties.getStackedLinks();
-            for (LinkProperties stackedLink : stackedLinks) {
-                final String stackedIface = stackedLink.getInterfaceName();
-                if (stackedIface != null) {
-                    findOrCreateNetworkIdentitySet(mActiveIfaces, stackedIface).add(ident);
-                    findOrCreateNetworkIdentitySet(mActiveUidIfaces, stackedIface).add(ident);
+            // TODO: This code might be combined to above code.
+            for (String iface : snapshot.linkProperties.getAllInterfaceNames()) {
+                // baseIface has been handled, so ignore it.
+                if (TextUtils.equals(baseIface, iface)) continue;
+                if (iface != null) {
+                    findOrCreateNetworkIdentitySet(mActiveIfaces, iface).add(ident);
+                    findOrCreateNetworkIdentitySet(mActiveUidIfaces, iface).add(ident);
                     if (isMobile) {
-                        mobileIfaces.add(stackedIface);
+                        mobileIfaces.add(iface);
                     }
 
-                    mStatsFactory.noteStackedIface(stackedIface, baseIface);
+                    mStatsFactory.noteStackedIface(iface, baseIface);
                 }
             }
         }
@@ -1376,6 +1382,20 @@
         mMobileIfaces = mobileIfaces.toArray(new String[mobileIfaces.size()]);
     }
 
+    private static int getSubIdForMobile(@NonNull NetworkStateSnapshot state) {
+        if (!state.networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
+            throw new IllegalArgumentException("Mobile state need capability TRANSPORT_CELLULAR");
+        }
+
+        final NetworkSpecifier spec = state.networkCapabilities.getNetworkSpecifier();
+        if (spec instanceof TelephonyNetworkSpecifier) {
+             return ((TelephonyNetworkSpecifier) spec).getSubscriptionId();
+        } else {
+            Slog.wtf(TAG, "getSubIdForState invalid NetworkSpecifier");
+            return INVALID_SUBSCRIPTION_ID;
+        }
+    }
+
     /**
      * For networks with {@code TRANSPORT_CELLULAR}, get subType that was obtained through
      * {@link PhoneStateListener}. Otherwise, return 0 given that other networks with different
@@ -1675,7 +1695,9 @@
         @Override
         public void setStatsProviderLimitAsync(@NonNull String iface, long quota) {
             if (LOGV) Slog.v(TAG, "setStatsProviderLimitAsync(" + iface + "," + quota + ")");
-            invokeForAllStatsProviderCallbacks((cb) -> cb.mProvider.onSetLimit(iface, quota));
+            // TODO: Set warning accordingly.
+            invokeForAllStatsProviderCallbacks((cb) -> cb.mProvider.onSetWarningAndLimit(iface,
+                    NetworkStatsProvider.QUOTA_UNLIMITED, quota));
         }
     }
 
@@ -2070,10 +2092,10 @@
         }
 
         @Override
-        public void notifyLimitReached() {
-            Log.d(TAG, mTag + ": onLimitReached");
+        public void notifyWarningOrLimitReached() {
+            Log.d(TAG, mTag + ": notifyWarningOrLimitReached");
             LocalServices.getService(NetworkPolicyManagerInternal.class)
-                    .onStatsProviderLimitReached(mTag);
+                    .onStatsProviderWarningOrLimitReached(mTag);
         }
 
         @Override
diff --git a/services/tests/servicestests/src/com/android/server/compat/CompatConfigBuilder.java b/services/tests/servicestests/src/com/android/server/compat/CompatConfigBuilder.java
index fcd6b84..7bdc87e 100644
--- a/services/tests/servicestests/src/com/android/server/compat/CompatConfigBuilder.java
+++ b/services/tests/servicestests/src/com/android/server/compat/CompatConfigBuilder.java
@@ -116,7 +116,7 @@
     }
 
     CompatConfigBuilder addOverridableChangeWithId(long id) {
-        mChanges.add(new CompatChange(id, "", -1, -1, false, true, "", true));
+        mChanges.add(new CompatChange(id, "", -1, -1, true, false, "", true));
         return this;
     }
 
diff --git a/services/tests/servicestests/src/com/android/server/compat/CompatConfigTest.java b/services/tests/servicestests/src/com/android/server/compat/CompatConfigTest.java
index bd77405..a866363 100644
--- a/services/tests/servicestests/src/com/android/server/compat/CompatConfigTest.java
+++ b/services/tests/servicestests/src/com/android/server/compat/CompatConfigTest.java
@@ -260,6 +260,36 @@
     }
 
     @Test
+    public void testInstallerCanSetOverrides() throws Exception {
+        final long changeId = 1234L;
+        final int installerUid = 23;
+        CompatConfig compatConfig = CompatConfigBuilder.create(mBuildClassifier, mContext)
+                .addOverridableChangeWithId(1234L)
+                .build();
+        ApplicationInfo applicationInfo = ApplicationInfoBuilder.create()
+                .withPackageName("com.some.package")
+                .build();
+        PackageManager packageManager = mock(PackageManager.class);
+        when(mContext.getPackageManager()).thenReturn(packageManager);
+        when(packageManager.getApplicationInfo(eq("com.some.package"), anyInt()))
+                .thenReturn(applicationInfo);
+
+        // Force the validator to prevent overriding the change by using a user build.
+        when(mBuildClassifier.isDebuggableBuild()).thenReturn(false);
+        when(mBuildClassifier.isFinalBuild()).thenReturn(true);
+
+        CompatibilityOverrideConfig config = new CompatibilityOverrideConfig(
+                Collections.singletonMap(1234L,
+                        new PackageOverride.Builder()
+                                .setMaxVersionCode(99L)
+                                .setEnabled(true)
+                                .build()));
+
+        compatConfig.addOverrides(config, "com.some.package");
+        assertThat(compatConfig.isChangeEnabled(1234L, applicationInfo)).isTrue();
+    }
+
+    @Test
     public void testApplyDeferredOverridesAfterInstallingApp() throws Exception {
         ApplicationInfo applicationInfo = ApplicationInfoBuilder.create()
                 .withPackageName("com.notinstalled.foo")
@@ -639,9 +669,18 @@
                         .build());
         when(mPackageManager.getApplicationInfo(eq("bar.baz"), anyInt()))
                 .thenThrow(new NameNotFoundException());
-
-        compatConfig.addOverride(1L, "foo.bar", true);
-        compatConfig.addOverride(2L, "bar.baz", false);
+        compatConfig.addOverrides(
+                new CompatibilityOverrideConfig(
+                        Collections.singletonMap(
+                                1L,
+                                new PackageOverride.Builder().setEnabled(true).build())),
+                "foo.bar");
+        compatConfig.addOverrides(
+                new CompatibilityOverrideConfig(
+                        Collections.singletonMap(
+                                2L,
+                                new PackageOverride.Builder().setEnabled(false).build())),
+                "bar.baz");
 
         assertThat(readFile(overridesFile)).isEqualTo("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
                 + "<overrides>\n"
diff --git a/services/tests/servicestests/src/com/android/server/compat/PlatformCompatTest.java b/services/tests/servicestests/src/com/android/server/compat/PlatformCompatTest.java
index 3fc6e99..a2664e5 100644
--- a/services/tests/servicestests/src/com/android/server/compat/PlatformCompatTest.java
+++ b/services/tests/servicestests/src/com/android/server/compat/PlatformCompatTest.java
@@ -113,7 +113,7 @@
                 new CompatibilityChangeInfo(
                         6L, "", Build.VERSION_CODES.R, -1, false, false, "", false),
                 new CompatibilityChangeInfo(7L, "", -1, -1, false, true, "", false),
-                new CompatibilityChangeInfo(8L, "", -1, -1, false, true, "", true));
+                new CompatibilityChangeInfo(8L, "", -1, -1, true, false, "", true));
     }
 
     @Test
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 fb01ff6..d405113 100644
--- a/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java
@@ -1817,7 +1817,7 @@
         // yet reached.
         final NetworkPolicyManagerInternal npmi = LocalServices
                 .getService(NetworkPolicyManagerInternal.class);
-        npmi.onStatsProviderLimitReached("TEST");
+        npmi.onStatsProviderWarningOrLimitReached("TEST");
 
         // Verifies that the limit reached leads to a force update and new limit should be set.
         postMsgAndWaitForCompletion();
diff --git a/services/usb/java/com/android/server/usb/UsbDeviceManager.java b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
index 477592b..26cea2c 100644
--- a/services/usb/java/com/android/server/usb/UsbDeviceManager.java
+++ b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
@@ -837,20 +837,31 @@
                     boolean prevHostConnected = mHostConnected;
                     UsbPort port = (UsbPort) args.arg1;
                     UsbPortStatus status = (UsbPortStatus) args.arg2;
-                    mHostConnected = status.getCurrentDataRole() == DATA_ROLE_HOST;
-                    mSourcePower = status.getCurrentPowerRole() == POWER_ROLE_SOURCE;
-                    mSinkPower = status.getCurrentPowerRole() == POWER_ROLE_SINK;
-                    mAudioAccessoryConnected = (status.getCurrentMode() == MODE_AUDIO_ACCESSORY);
+
+                    if (status != null) {
+                        mHostConnected = status.getCurrentDataRole() == DATA_ROLE_HOST;
+                        mSourcePower = status.getCurrentPowerRole() == POWER_ROLE_SOURCE;
+                        mSinkPower = status.getCurrentPowerRole() == POWER_ROLE_SINK;
+                        mAudioAccessoryConnected = (status.getCurrentMode() == MODE_AUDIO_ACCESSORY);
+
+                        // Ideally we want to see if PR_SWAP and DR_SWAP is supported.
+                        // But, this should be suffice, since, all four combinations are only supported
+                        // when PR_SWAP and DR_SWAP are supported.
+                        mSupportsAllCombinations = status.isRoleCombinationSupported(
+                                POWER_ROLE_SOURCE, DATA_ROLE_HOST)
+                                && status.isRoleCombinationSupported(POWER_ROLE_SINK, DATA_ROLE_HOST)
+                                && status.isRoleCombinationSupported(POWER_ROLE_SOURCE,
+                                DATA_ROLE_DEVICE)
+                                && status.isRoleCombinationSupported(POWER_ROLE_SINK, DATA_ROLE_DEVICE);
+                    } else {
+                        mHostConnected = false;
+                        mSourcePower = false;
+                        mSinkPower = false;
+                        mAudioAccessoryConnected = false;
+                        mSupportsAllCombinations = false;
+                    }
+
                     mAudioAccessorySupported = port.isModeSupported(MODE_AUDIO_ACCESSORY);
-                    // Ideally we want to see if PR_SWAP and DR_SWAP is supported.
-                    // But, this should be suffice, since, all four combinations are only supported
-                    // when PR_SWAP and DR_SWAP are supported.
-                    mSupportsAllCombinations = status.isRoleCombinationSupported(
-                            POWER_ROLE_SOURCE, DATA_ROLE_HOST)
-                            && status.isRoleCombinationSupported(POWER_ROLE_SINK, DATA_ROLE_HOST)
-                            && status.isRoleCombinationSupported(POWER_ROLE_SOURCE,
-                            DATA_ROLE_DEVICE)
-                            && status.isRoleCombinationSupported(POWER_ROLE_SINK, DATA_ROLE_DEVICE);
 
                     args.recycle();
                     updateUsbNotification(false);
diff --git a/telephony/java/android/telephony/PhysicalChannelConfig.java b/telephony/java/android/telephony/PhysicalChannelConfig.java
index dfe269c..1c9cd94 100644
--- a/telephony/java/android/telephony/PhysicalChannelConfig.java
+++ b/telephony/java/android/telephony/PhysicalChannelConfig.java
@@ -292,6 +292,14 @@
     }
 
     /**
+     * Return a copy of this PhysicalChannelConfig object but redact all the location info.
+     * @hide
+     */
+    public PhysicalChannelConfig createLocationInfoSanitizedCopy() {
+        return new Builder(this).setPhysicalCellId(PHYSICAL_CELL_ID_UNKNOWN).build();
+    }
+
+    /**
      * @return String representation of the connection status
      * @hide
      */
@@ -540,6 +548,23 @@
             mBand = BAND_UNKNOWN;
         }
 
+        /**
+         * Builder object constructed from existing PhysicalChannelConfig object.
+         * @hide
+         */
+        public Builder(PhysicalChannelConfig config) {
+            mNetworkType = config.getNetworkType();
+            mFrequencyRange = config.getFrequencyRange();
+            mDownlinkChannelNumber = config.getDownlinkChannelNumber();
+            mUplinkChannelNumber = config.getUplinkChannelNumber();
+            mCellBandwidthDownlinkKhz = config.getCellBandwidthDownlinkKhz();
+            mCellBandwidthUplinkKhz = config.getCellBandwidthUplinkKhz();
+            mCellConnectionStatus = config.getConnectionStatus();
+            mContextIds = Arrays.copyOf(config.getContextIds(), config.getContextIds().length);
+            mPhysicalCellId = config.getPhysicalCellId();
+            mBand = config.getBand();
+        }
+
         public PhysicalChannelConfig build() {
             return new PhysicalChannelConfig(this);
         }
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 7c39cf0..a2467f2 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -99,6 +99,7 @@
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.os.BackgroundThread;
 import com.android.internal.telephony.CellNetworkScanResult;
 import com.android.internal.telephony.IBooleanConsumer;
 import com.android.internal.telephony.ICallForwardingInfoCallback;
@@ -128,6 +129,7 @@
 import java.util.Objects;
 import java.util.UUID;
 import java.util.concurrent.Executor;
+import java.util.concurrent.RejectedExecutionException;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
@@ -417,6 +419,27 @@
     }
 
     /**
+     * Post a runnable to the BackgroundThread.
+     *
+     * Used to invoke user callbacks without calling into the caller's executor from the caller's
+     * calling thread context, for example to provide asynchronous error information that is
+     * generated locally (not over a binder thread).
+     *
+     * <p>This is not necessary unless you are invoking caller's code asynchronously from within
+     * the caller's thread context.
+     *
+     * @param r a runnable.
+     */
+    private static void runOnBackgroundThread(@NonNull Runnable r) {
+        try {
+            BackgroundThread.getExecutor().execute(r);
+        } catch (RejectedExecutionException e) {
+            throw new IllegalStateException(
+                    "Failed to post a callback from the caller's thread context.", e);
+        }
+    }
+
+    /**
      * Returns the multi SIM variant
      * Returns DSDS for Dual SIM Dual Standby
      * Returns DSDA for Dual SIM Dual Active
@@ -5875,7 +5898,7 @@
 
         /**
          * Error response to
-         * {@link android.telephony.TelephonyManager#requestCellInfoUpdate requestCellInfoUpdate()}.
+         * {@link TelephonyManager#requestCellInfoUpdate requestCellInfoUpdate()}.
          *
          * Invoked when an error condition prevents updated {@link CellInfo} from being fetched
          * and returned from the modem. Callers of requestCellInfoUpdate() should override this
@@ -5893,6 +5916,20 @@
     };
 
     /**
+     * Used for checking if the target SDK version for the current process is S or above.
+     *
+     * <p> Applies to the following methods:
+     * {@link #requestCellInfoUpdate},
+     * {@link #setPreferredOpportunisticDataSubscription},
+     * {@link #updateAvailableNetworks},
+     * requestNumberVerification(),
+     * setSimPowerStateForSlot(),
+     */
+    @ChangeId
+    @EnabledAfter(targetSdkVersion = Build.VERSION_CODES.R)
+    private static final long NULL_TELEPHONY_THROW_NO_CB = 182185642L;
+
+    /**
      * Requests all available cell information from the current subscription for observed
      * camped/registered, serving, and neighboring cells.
      *
@@ -5912,7 +5949,14 @@
             @NonNull @CallbackExecutor Executor executor, @NonNull CellInfoCallback callback) {
         try {
             ITelephony telephony = getITelephony();
-            if (telephony == null) return;
+            if (telephony == null) {
+                if (Compatibility.isChangeEnabled(NULL_TELEPHONY_THROW_NO_CB)) {
+                    throw new IllegalStateException("Telephony is null");
+                } else {
+                    return;
+                }
+            }
+
             telephony.requestCellInfoUpdate(
                     getSubId(),
                     new ICellInfoCallback.Stub() {
@@ -5939,6 +5983,8 @@
                         }
                     }, getOpPackageName(), getAttributionTag());
         } catch (RemoteException ex) {
+            runOnBackgroundThread(() -> executor.execute(
+                    () -> callback.onError(CellInfoCallback.ERROR_MODEM_ERROR, ex)));
         }
     }
 
@@ -5966,7 +6012,14 @@
             @NonNull @CallbackExecutor Executor executor, @NonNull CellInfoCallback callback) {
         try {
             ITelephony telephony = getITelephony();
-            if (telephony == null) return;
+            if (telephony == null) {
+                if (Compatibility.isChangeEnabled(NULL_TELEPHONY_THROW_NO_CB)) {
+                    throw new IllegalStateException("Telephony is null");
+                } else {
+                    return;
+                }
+            }
+
             telephony.requestCellInfoUpdateWithWorkSource(
                     getSubId(),
                     new ICellInfoCallback.Stub() {
@@ -5994,6 +6047,8 @@
                         }
                     }, getOpPackageName(), getAttributionTag(), workSource);
         } catch (RemoteException ex) {
+            runOnBackgroundThread(() -> executor.execute(
+                    () -> callback.onError(CellInfoCallback.ERROR_MODEM_ERROR, ex)));
         }
     }
 
@@ -6960,14 +7015,21 @@
 
         try {
             ITelephony telephony = getITelephony();
-            if (telephony != null) {
-                telephony.requestNumberVerification(range, timeoutMillis, internalCallback,
-                        getOpPackageName());
+            if (telephony == null) {
+                if (Compatibility.isChangeEnabled(NULL_TELEPHONY_THROW_NO_CB)) {
+                    throw new IllegalStateException("Telephony is null");
+                } else {
+                    return;
+                }
             }
+
+            telephony.requestNumberVerification(range, timeoutMillis, internalCallback,
+                    getOpPackageName());
         } catch (RemoteException ex) {
             Rlog.e(TAG, "requestNumberVerification RemoteException", ex);
-            executor.execute(() ->
-                    callback.onVerificationFailed(NumberVerificationCallback.REASON_UNSPECIFIED));
+            runOnBackgroundThread(() -> executor.execute(
+                    () -> callback.onVerificationFailed(
+                            NumberVerificationCallback.REASON_UNSPECIFIED)));
         }
     }
 
@@ -10333,6 +10395,8 @@
         }
         try {
             ITelephony telephony = getITelephony();
+            if (telephony == null) throw new IllegalStateException("Telephony is null.");
+
             IIntegerConsumer internalCallback = new IIntegerConsumer.Stub() {
                 @Override
                 public void accept(int result) {
@@ -10340,11 +10404,18 @@
                             Binder.withCleanCallingIdentity(() -> callback.accept(result)));
                 }
             };
-            if (telephony != null) {
-                telephony.setSimPowerStateForSlotWithCallback(slotIndex, state, internalCallback);
+            if (telephony == null) {
+                if (Compatibility.isChangeEnabled(NULL_TELEPHONY_THROW_NO_CB)) {
+                    throw new IllegalStateException("Telephony is null");
+                } else {
+                    return;
+                }
             }
+            telephony.setSimPowerStateForSlotWithCallback(slotIndex, state, internalCallback);
         } catch (RemoteException e) {
             Log.e(TAG, "Error calling ITelephony#setSimPowerStateForSlot", e);
+            runOnBackgroundThread(() -> executor.execute(
+                    () -> callback.accept(SET_SIM_POWER_STATE_MODEM_ERROR)));
         } catch (SecurityException e) {
             Log.e(TAG, "Permission error calling ITelephony#setSimPowerStateForSlot",
                     e);
@@ -12774,22 +12845,12 @@
         try {
             IOns iOpportunisticNetworkService = getIOns();
             if (iOpportunisticNetworkService == null) {
-                if (executor == null || callback == null) {
-                    return;
+                if (Compatibility.isChangeEnabled(NULL_TELEPHONY_THROW_NO_CB)) {
+                    throw new IllegalStateException("Opportunistic Network Service is null");
+                } else {
+                    // Let the general remote exception handling catch this.
+                    throw new RemoteException("Null Opportunistic Network Service!");
                 }
-                final long identity = Binder.clearCallingIdentity();
-                try {
-                    executor.execute(() -> {
-                        if (Compatibility.isChangeEnabled(CALLBACK_ON_MORE_ERROR_CODE_CHANGE)) {
-                            callback.accept(SET_OPPORTUNISTIC_SUB_REMOTE_SERVICE_EXCEPTION);
-                        } else {
-                            callback.accept(SET_OPPORTUNISTIC_SUB_INACTIVE_SUBSCRIPTION);
-                        }
-                    });
-                } finally {
-                    Binder.restoreCallingIdentity(identity);
-                }
-                return;
             }
             ISetOpportunisticDataCallback callbackStub = new ISetOpportunisticDataCallback.Stub() {
                 @Override
@@ -12812,9 +12873,18 @@
                     .setPreferredDataSubscriptionId(subId, needValidation, callbackStub,
                             pkgForDebug);
         } catch (RemoteException ex) {
-            Rlog.e(TAG, "setPreferredDataSubscriptionId RemoteException", ex);
+            Rlog.e(TAG, "setPreferredOpportunisticDataSubscription RemoteException", ex);
+            if (executor == null || callback == null) {
+                return;
+            }
+            runOnBackgroundThread(() -> executor.execute(() -> {
+                if (Compatibility.isChangeEnabled(CALLBACK_ON_MORE_ERROR_CODE_CHANGE)) {
+                    callback.accept(SET_OPPORTUNISTIC_SUB_REMOTE_SERVICE_EXCEPTION);
+                } else {
+                    callback.accept(SET_OPPORTUNISTIC_SUB_INACTIVE_SUBSCRIPTION);
+                }
+            }));
         }
-        return;
     }
 
     /**
@@ -12871,37 +12941,18 @@
             @Nullable @CallbackExecutor Executor executor,
             @UpdateAvailableNetworksResult @Nullable Consumer<Integer> callback) {
         String pkgForDebug = mContext != null ? mContext.getOpPackageName() : "<unknown>";
+        Objects.requireNonNull(availableNetworks, "availableNetworks must not be null.");
         try {
             IOns iOpportunisticNetworkService = getIOns();
-            if (iOpportunisticNetworkService == null || availableNetworks == null) {
-                if (executor == null || callback == null) {
-                    return;
-                }
-                if (iOpportunisticNetworkService == null) {
-                    final long identity = Binder.clearCallingIdentity();
-                    try {
-                        executor.execute(() -> {
-                            if (Compatibility.isChangeEnabled(CALLBACK_ON_MORE_ERROR_CODE_CHANGE)) {
-                                callback.accept(UPDATE_AVAILABLE_NETWORKS_REMOTE_SERVICE_EXCEPTION);
-                            } else {
-                                callback.accept(UPDATE_AVAILABLE_NETWORKS_UNKNOWN_FAILURE);
-                            }
-                        });
-                    } finally {
-                        Binder.restoreCallingIdentity(identity);
-                    }
+            if (iOpportunisticNetworkService == null) {
+                if (Compatibility.isChangeEnabled(NULL_TELEPHONY_THROW_NO_CB)) {
+                    throw new IllegalStateException("Opportunistic Network Service is null");
                 } else {
-                    final long identity = Binder.clearCallingIdentity();
-                    try {
-                        executor.execute(() -> {
-                            callback.accept(UPDATE_AVAILABLE_NETWORKS_INVALID_ARGUMENTS);
-                        });
-                    } finally {
-                        Binder.restoreCallingIdentity(identity);
-                    }
+                    // Let the general remote exception handling catch this.
+                    throw new RemoteException("Null Opportunistic Network Service!");
                 }
-                return;
             }
+
             IUpdateAvailableNetworksCallback callbackStub =
                     new IUpdateAvailableNetworksCallback.Stub() {
                         @Override
@@ -12909,20 +12960,25 @@
                             if (executor == null || callback == null) {
                                 return;
                             }
-                            final long identity = Binder.clearCallingIdentity();
-                            try {
-                                executor.execute(() -> {
-                                    callback.accept(result);
-                                });
-                            } finally {
-                                Binder.restoreCallingIdentity(identity);
-                            }
+                            Binder.withCleanCallingIdentity(() -> {
+                                executor.execute(() -> callback.accept(result));
+                            });
                         }
                     };
-            iOpportunisticNetworkService.updateAvailableNetworks(availableNetworks, callbackStub,
-                    pkgForDebug);
+            iOpportunisticNetworkService
+                    .updateAvailableNetworks(availableNetworks, callbackStub, pkgForDebug);
         } catch (RemoteException ex) {
             Rlog.e(TAG, "updateAvailableNetworks RemoteException", ex);
+            if (executor == null || callback == null) {
+                return;
+            }
+            runOnBackgroundThread(() -> executor.execute(() -> {
+                if (Compatibility.isChangeEnabled(CALLBACK_ON_MORE_ERROR_CODE_CHANGE)) {
+                    callback.accept(UPDATE_AVAILABLE_NETWORKS_REMOTE_SERVICE_EXCEPTION);
+                } else {
+                    callback.accept(UPDATE_AVAILABLE_NETWORKS_UNKNOWN_FAILURE);
+                }
+            }));
         }
     }
 
diff --git a/telephony/java/android/telephony/data/EpsBearerQosSessionAttributes.java b/telephony/java/android/telephony/data/EpsBearerQosSessionAttributes.java
index 406c38b..9bc7a5c 100644
--- a/telephony/java/android/telephony/data/EpsBearerQosSessionAttributes.java
+++ b/telephony/java/android/telephony/data/EpsBearerQosSessionAttributes.java
@@ -53,7 +53,7 @@
      *
      * @return the qci of the session
      */
-    public int getQci() {
+    public int getQosIdentifier() {
         return mQci;
     }
 
@@ -66,7 +66,7 @@
      *
      * @return the guaranteed bit rate in kbps
      */
-    public long getGuaranteedUplinkBitRate() {
+    public long getGuaranteedUplinkBitRateKbps() {
         return mGuaranteedUplinkBitRate;
     }
 
@@ -79,7 +79,7 @@
      *
      * @return the guaranteed bit rate in kbps
      */
-    public long getGuaranteedDownlinkBitRate() {
+    public long getGuaranteedDownlinkBitRateKbps() {
         return mGuaranteedDownlinkBitRate;
     }
 
@@ -92,7 +92,7 @@
      *
      * @return the max uplink bit rate in kbps
      */
-    public long getMaxUplinkBitRate() {
+    public long getMaxUplinkBitRateKbps() {
         return mMaxUplinkBitRate;
     }
 
@@ -105,7 +105,7 @@
      *
      * @return the max downlink bit rate in kbps
      */
-    public long getMaxDownlinkBitRate() {
+    public long getMaxDownlinkBitRateKbps() {
         return mMaxDownlinkBitRate;
     }
 
diff --git a/telephony/java/android/telephony/data/NrQosSessionAttributes.java b/telephony/java/android/telephony/data/NrQosSessionAttributes.java
index 857ccb9..4c37687 100644
--- a/telephony/java/android/telephony/data/NrQosSessionAttributes.java
+++ b/telephony/java/android/telephony/data/NrQosSessionAttributes.java
@@ -16,6 +16,7 @@
 
 package android.telephony.data;
 
+import android.annotation.IntRange;
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.net.QosSessionAttributes;
@@ -26,6 +27,7 @@
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.UnknownHostException;
+import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -40,7 +42,7 @@
 public final class NrQosSessionAttributes implements Parcelable, QosSessionAttributes {
     private static final String TAG = NrQosSessionAttributes.class.getSimpleName();
     private final int m5Qi;
-    private final int mQfi;
+    private final @IntRange(from=1, to=63) int mQfi;
     private final long mMaxUplinkBitRate;
     private final long mMaxDownlinkBitRate;
     private final long mGuaranteedUplinkBitRate;
@@ -55,7 +57,7 @@
      *
      * @return the 5QI of the QOS flow
      */
-    public int get5Qi() {
+    public int getQosIdentifier() {
         return m5Qi;
     }
 
@@ -65,7 +67,7 @@
      *
      * @return the QOS flow identifier of the session
      */
-    public int getQfi() {
+    public @IntRange(from=1, to=63) int getQosFlowIdentifier() {
         return mQfi;
     }
 
@@ -78,7 +80,7 @@
      *
      * @return the guaranteed bit rate in kbps
      */
-    public long getGuaranteedUplinkBitRate() {
+    public long getGuaranteedUplinkBitRateKbps() {
         return mGuaranteedUplinkBitRate;
     }
 
@@ -91,7 +93,7 @@
      *
      * @return the guaranteed bit rate in kbps
      */
-    public long getGuaranteedDownlinkBitRate() {
+    public long getGuaranteedDownlinkBitRateKbps() {
         return mGuaranteedDownlinkBitRate;
     }
 
@@ -104,7 +106,7 @@
      *
      * @return the max uplink bit rate in kbps
      */
-    public long getMaxUplinkBitRate() {
+    public long getMaxUplinkBitRateKbps() {
         return mMaxUplinkBitRate;
     }
 
@@ -117,7 +119,7 @@
      *
      * @return the max downlink bit rate in kbps
      */
-    public long getMaxDownlinkBitRate() {
+    public long getMaxDownlinkBitRateKbps() {
         return mMaxDownlinkBitRate;
     }
 
@@ -129,8 +131,9 @@
      *
      * @return the averaging window duration in milliseconds
      */
-    public long getAveragingWindow() {
-        return mAveragingWindow;
+    @NonNull
+    public Duration getBitRateWindowDuration() {
+        return Duration.ofMillis(mAveragingWindow);
     }
 
     /**
diff --git a/tests/net/common/java/android/net/NetworkAgentConfigTest.kt b/tests/net/common/java/android/net/NetworkAgentConfigTest.kt
index a4d8353..1e54093 100644
--- a/tests/net/common/java/android/net/NetworkAgentConfigTest.kt
+++ b/tests/net/common/java/android/net/NetworkAgentConfigTest.kt
@@ -19,6 +19,7 @@
 import android.os.Build
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
+import com.android.modules.utils.build.SdkLevel.isAtLeastS
 import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
 import com.android.testutils.assertParcelSane
@@ -44,7 +45,13 @@
             setPartialConnectivityAcceptable(false)
             setUnvalidatedConnectivityAcceptable(true)
         }.build()
-        assertParcelSane(config, 10)
+        if (isAtLeastS()) {
+            // From S, the config will have 12 items
+            assertParcelSane(config, 12)
+        } else {
+            // For R or below, the config will have 10 items
+            assertParcelSane(config, 10)
+        }
     }
 
     @Test @IgnoreUpTo(Build.VERSION_CODES.Q)
diff --git a/tests/net/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt b/tests/net/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt
index db49e0b..b6e4274 100644
--- a/tests/net/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt
+++ b/tests/net/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt
@@ -73,7 +73,7 @@
 import kotlin.test.fail
 
 const val SERVICE_BIND_TIMEOUT_MS = 5_000L
-const val TEST_TIMEOUT_MS = 1_000L
+const val TEST_TIMEOUT_MS = 10_000L
 
 /**
  * Test that exercises an instrumented version of ConnectivityService against an instrumented
diff --git a/tests/net/java/android/net/ConnectivityManagerTest.java b/tests/net/java/android/net/ConnectivityManagerTest.java
index 36f205b..6cbdd25 100644
--- a/tests/net/java/android/net/ConnectivityManagerTest.java
+++ b/tests/net/java/android/net/ConnectivityManagerTest.java
@@ -41,10 +41,10 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.ArgumentMatchers.nullable;
 import static org.mockito.Mockito.any;
-import static org.mockito.Mockito.anyBoolean;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index f946597..4c0c119 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -31,13 +31,13 @@
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 import static android.net.ConnectivityManager.ACTION_CAPTIVE_PORTAL_SIGN_IN;
 import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_DATA_SAVER;
+import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_MASK;
 import static android.net.ConnectivityManager.BLOCKED_METERED_REASON_USER_RESTRICTED;
 import static android.net.ConnectivityManager.BLOCKED_REASON_BATTERY_SAVER;
 import static android.net.ConnectivityManager.BLOCKED_REASON_NONE;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
 import static android.net.ConnectivityManager.EXTRA_NETWORK_INFO;
 import static android.net.ConnectivityManager.EXTRA_NETWORK_TYPE;
-import static android.net.ConnectivityManager.NETID_UNSET;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
@@ -1179,11 +1179,6 @@
         }
 
         @Override
-        public int getNetId() {
-            return (mMockNetworkAgent == null) ? NETID_UNSET : mMockNetworkAgent.getNetwork().netId;
-        }
-
-        @Override
         public int getActiveVpnType() {
             return mVpnType;
         }
@@ -1207,10 +1202,10 @@
                     mNetworkCapabilities);
             mMockNetworkAgent.waitForIdle(TIMEOUT_MS);
 
-            verify(mMockNetd, times(1)).networkAddUidRanges(eq(mMockVpn.getNetId()),
+            verify(mMockNetd, times(1)).networkAddUidRanges(eq(mMockVpn.getNetwork().getNetId()),
                     eq(toUidRangeStableParcels(uids)));
             verify(mMockNetd, never())
-                    .networkRemoveUidRanges(eq(mMockVpn.getNetId()), any());
+                    .networkRemoveUidRanges(eq(mMockVpn.getNetwork().getNetId()), any());
             mAgentRegistered = true;
             updateState(NetworkInfo.DetailedState.CONNECTED, "registerAgent");
             mNetworkCapabilities.set(mMockNetworkAgent.getNetworkCapabilities());
@@ -1379,10 +1374,21 @@
     }
 
     private void mockUidNetworkingBlocked() {
-        doAnswer(i -> NetworkPolicyManager.isUidBlocked(mBlockedReasons, i.getArgument(1))
+        doAnswer(i -> isUidBlocked(mBlockedReasons, i.getArgument(1))
         ).when(mNetworkPolicyManager).isUidNetworkingBlocked(anyInt(), anyBoolean());
     }
 
+    private boolean isUidBlocked(int blockedReasons, boolean meteredNetwork) {
+        final int blockedOnAllNetworksReason = (blockedReasons & ~BLOCKED_METERED_REASON_MASK);
+        if (blockedOnAllNetworksReason != BLOCKED_REASON_NONE) {
+            return true;
+        }
+        if (meteredNetwork) {
+            return blockedReasons != BLOCKED_REASON_NONE;
+        }
+        return false;
+    }
+
     private void setBlockedReasonChanged(int blockedReasons) {
         mBlockedReasons = blockedReasons;
         mPolicyCallback.onUidBlockedReasonChanged(Process.myUid(), blockedReasons);
@@ -1577,7 +1583,7 @@
         doReturn(mNetworkStack).when(deps).getNetworkStack();
         doReturn(mSystemProperties).when(deps).getSystemProperties();
         doReturn(mock(ProxyTracker.class)).when(deps).makeProxyTracker(any(), any());
-        doReturn(true).when(deps).queryUserAccess(anyInt(), anyInt());
+        doReturn(true).when(deps).queryUserAccess(anyInt(), any(), any());
         doAnswer(inv -> {
             mPolicyTracker = new WrappedMultinetworkPolicyTracker(
                     inv.getArgument(0), inv.getArgument(1), inv.getArgument(2));
@@ -7283,6 +7289,20 @@
         mMockVpn.disconnect();
     }
 
+    private class DetailedBlockedStatusCallback extends TestNetworkCallback {
+        public void expectAvailableThenValidatedCallbacks(HasNetwork n, int blockedStatus) {
+            super.expectAvailableThenValidatedCallbacks(n.getNetwork(), blockedStatus, TIMEOUT_MS);
+        }
+        public void expectBlockedStatusCallback(HasNetwork n, int blockedStatus) {
+            // This doesn't work:
+            // super.expectBlockedStatusCallback(blockedStatus, n.getNetwork());
+            super.expectBlockedStatusCallback(blockedStatus, n.getNetwork(), TIMEOUT_MS);
+        }
+        public void onBlockedStatusChanged(Network network, int blockedReasons) {
+            getHistory().add(new CallbackEntry.BlockedStatusInt(network, blockedReasons));
+        }
+    }
+
     @Test
     public void testNetworkBlockedStatus() throws Exception {
         final TestNetworkCallback cellNetworkCallback = new TestNetworkCallback();
@@ -7290,11 +7310,16 @@
                 .addTransportType(TRANSPORT_CELLULAR)
                 .build();
         mCm.registerNetworkCallback(cellRequest, cellNetworkCallback);
+        final DetailedBlockedStatusCallback detailedCallback = new DetailedBlockedStatusCallback();
+        mCm.registerNetworkCallback(cellRequest, detailedCallback);
+
         mockUidNetworkingBlocked();
 
         mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR);
         mCellNetworkAgent.connect(true);
         cellNetworkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
+        detailedCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent,
+                BLOCKED_REASON_NONE);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -7302,17 +7327,23 @@
 
         setBlockedReasonChanged(BLOCKED_REASON_BATTERY_SAVER);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent,
+                BLOCKED_REASON_BATTERY_SAVER);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertExtraInfoFromCmBlocked(mCellNetworkAgent);
 
-        // ConnectivityService should cache it not to invoke the callback again.
+        // If blocked state does not change but blocked reason does, the boolean callback is called.
+        // TODO: investigate de-duplicating.
         setBlockedReasonChanged(BLOCKED_METERED_REASON_USER_RESTRICTED);
-        cellNetworkCallback.assertNoCallback();
+        cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent,
+                BLOCKED_METERED_REASON_USER_RESTRICTED);
 
         setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent, BLOCKED_REASON_NONE);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -7320,6 +7351,8 @@
 
         setBlockedReasonChanged(BLOCKED_METERED_REASON_DATA_SAVER);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent,
+                BLOCKED_METERED_REASON_DATA_SAVER);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
@@ -7329,6 +7362,8 @@
         mCellNetworkAgent.addCapability(NET_CAPABILITY_NOT_METERED);
         cellNetworkCallback.expectCapabilitiesWith(NET_CAPABILITY_NOT_METERED, mCellNetworkAgent);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
+        detailedCallback.expectCapabilitiesWith(NET_CAPABILITY_NOT_METERED, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent, BLOCKED_REASON_NONE);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -7338,6 +7373,10 @@
         cellNetworkCallback.expectCapabilitiesWithout(NET_CAPABILITY_NOT_METERED,
                 mCellNetworkAgent);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
+        detailedCallback.expectCapabilitiesWithout(NET_CAPABILITY_NOT_METERED,
+                mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent,
+                BLOCKED_METERED_REASON_DATA_SAVER);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
@@ -7345,6 +7384,7 @@
 
         setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent, BLOCKED_REASON_NONE);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -7352,10 +7392,13 @@
 
         setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.assertNoCallback();
+        detailedCallback.assertNoCallback();
 
         // Restrict background data. Networking is not blocked because the network is unmetered.
         setBlockedReasonChanged(BLOCKED_METERED_REASON_DATA_SAVER);
         cellNetworkCallback.expectBlockedStatusCallback(true, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent,
+                BLOCKED_METERED_REASON_DATA_SAVER);
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.BLOCKED);
@@ -7365,12 +7408,14 @@
 
         setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.expectBlockedStatusCallback(false, mCellNetworkAgent);
+        detailedCallback.expectBlockedStatusCallback(mCellNetworkAgent, BLOCKED_REASON_NONE);
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertExtraInfoFromCmPresent(mCellNetworkAgent);
 
         setBlockedReasonChanged(BLOCKED_REASON_NONE);
         cellNetworkCallback.assertNoCallback();
+        detailedCallback.assertNoCallback();
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
         assertNetworkInfo(TYPE_MOBILE, DetailedState.CONNECTED);
@@ -9803,10 +9848,12 @@
         assertContainsExactly(exemptUidCaptor.getValue(), Process.VPN_UID, exemptUid);
 
         if (add) {
-            inOrder.verify(mMockNetd, times(1)).networkAddUidRanges(eq(mMockVpn.getNetId()),
+            inOrder.verify(mMockNetd, times(1))
+                    .networkAddUidRanges(eq(mMockVpn.getNetwork().getNetId()),
                     eq(toUidRangeStableParcels(vpnRanges)));
         } else {
-            inOrder.verify(mMockNetd, times(1)).networkRemoveUidRanges(eq(mMockVpn.getNetId()),
+            inOrder.verify(mMockNetd, times(1))
+                    .networkRemoveUidRanges(eq(mMockVpn.getNetwork().getNetId()),
                     eq(toUidRangeStableParcels(vpnRanges)));
         }
 
diff --git a/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java b/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
index 9334e2c..eeeb4fb 100644
--- a/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
+++ b/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
@@ -89,6 +89,7 @@
 import android.net.NetworkStatsHistory;
 import android.net.NetworkTemplate;
 import android.net.UnderlyingNetworkInfo;
+import android.net.TelephonyNetworkSpecifier;
 import android.net.netstats.provider.INetworkStatsProviderCallback;
 import android.os.ConditionVariable;
 import android.os.Handler;
@@ -1280,6 +1281,77 @@
     }
 
     @Test
+    public void testDualVilteProviderStats() throws Exception {
+        // Pretend that network comes online.
+        expectDefaultSettings();
+        final int subId1 = 1;
+        final int subId2 = 2;
+        final NetworkStateSnapshot[] states = new NetworkStateSnapshot[]{
+                buildImsState(IMSI_1, subId1, TEST_IFACE),
+                buildImsState(IMSI_2, subId2, TEST_IFACE2)};
+        expectNetworkStatsSummary(buildEmptyStats());
+        expectNetworkStatsUidDetail(buildEmptyStats());
+
+        // Register custom provider and retrieve callback.
+        final TestableNetworkStatsProviderBinder provider =
+                new TestableNetworkStatsProviderBinder();
+        final INetworkStatsProviderCallback cb =
+                mService.registerNetworkStatsProvider("TEST", provider);
+        assertNotNull(cb);
+
+        mService.forceUpdateIfaces(NETWORKS_MOBILE, states, getActiveIface(states),
+                new UnderlyingNetworkInfo[0]);
+
+        // Verifies that one requestStatsUpdate will be called during iface update.
+        provider.expectOnRequestStatsUpdate(0 /* unused */);
+
+        // Create some initial traffic and report to the service.
+        incrementCurrentTime(HOUR_IN_MILLIS);
+        final String vtIface1 = NetworkStats.IFACE_VT + subId1;
+        final String vtIface2 = NetworkStats.IFACE_VT + subId2;
+        final NetworkStats expectedStats = new NetworkStats(0L, 1)
+                .addEntry(new NetworkStats.Entry(vtIface1, UID_RED, SET_DEFAULT,
+                        TAG_NONE, METERED_YES, ROAMING_NO, DEFAULT_NETWORK_YES,
+                        128L, 2L, 128L, 2L, 1L))
+                .addEntry(new NetworkStats.Entry(vtIface2, UID_RED, SET_DEFAULT,
+                        TAG_NONE, METERED_YES, ROAMING_NO, DEFAULT_NETWORK_YES,
+                        64L, 1L, 64L, 1L, 1L));
+        cb.notifyStatsUpdated(0 /* unused */, expectedStats, expectedStats);
+
+        // Make another empty mutable stats object. This is necessary since the new NetworkStats
+        // object will be used to compare with the old one in NetworkStatsRecoder, two of them
+        // cannot be the same object.
+        expectNetworkStatsUidDetail(buildEmptyStats());
+
+        forcePollAndWaitForIdle();
+
+        // Verifies that one requestStatsUpdate and setAlert will be called during polling.
+        provider.expectOnRequestStatsUpdate(0 /* unused */);
+        provider.expectOnSetAlert(MB_IN_BYTES);
+
+        // Verifies that service recorded history, does not verify uid tag part.
+        assertUidTotal(sTemplateImsi1, UID_RED, 128L, 2L, 128L, 2L, 1);
+
+        // Verifies that onStatsUpdated updates the stats accordingly.
+        NetworkStats stats = mSession.getSummaryForAllUid(
+                sTemplateImsi1, Long.MIN_VALUE, Long.MAX_VALUE, true);
+        assertEquals(1, stats.size());
+        assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, TAG_NONE, METERED_YES, ROAMING_NO,
+                DEFAULT_NETWORK_YES, 128L, 2L, 128L, 2L, 1L);
+
+        stats = mSession.getSummaryForAllUid(
+                sTemplateImsi2, Long.MIN_VALUE, Long.MAX_VALUE, true);
+        assertEquals(1, stats.size());
+        assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, TAG_NONE, METERED_YES, ROAMING_NO,
+                DEFAULT_NETWORK_YES, 64L, 1L, 64L, 1L, 1L);
+
+        // Verifies that unregister the callback will remove the provider from service.
+        cb.unregister();
+        forcePollAndWaitForIdle();
+        provider.assertNoCallback();
+    }
+
+    @Test
     public void testStatsProviderSetAlert() throws Exception {
         // Pretend that network comes online.
         expectDefaultSettings();
@@ -1616,6 +1688,20 @@
                 TYPE_MOBILE);
     }
 
+    private static NetworkStateSnapshot buildImsState(
+            String subscriberId, int subId, String ifaceName) {
+        final LinkProperties prop = new LinkProperties();
+        prop.setInterfaceName(ifaceName);
+        final NetworkCapabilities capabilities = new NetworkCapabilities();
+        capabilities.setCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED, true);
+        capabilities.setCapability(NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING, true);
+        capabilities.setCapability(NetworkCapabilities.NET_CAPABILITY_IMS, true);
+        capabilities.addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR);
+        capabilities.setNetworkSpecifier(new TelephonyNetworkSpecifier(subId));
+        return new NetworkStateSnapshot(
+                MOBILE_NETWORK, capabilities, prop, subscriberId, TYPE_MOBILE);
+    }
+
     private long getElapsedRealtime() {
         return mElapsedRealtime;
     }