diff --git a/core/api/current.txt b/core/api/current.txt
index 9a6e76b..141725d 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -40519,7 +40519,9 @@
     method public android.os.IBinder onBind(android.content.Intent);
     method @NonNull public java.util.Set<java.lang.String> onGetSupportedVoiceActions(@NonNull java.util.Set<java.lang.String>);
     method public void onLaunchVoiceAssistFromKeyguard();
+    method public void onPrepareToShowSession(@NonNull android.os.Bundle, int);
     method public void onReady();
+    method public void onShowSessionFailed();
     method public void onShutdown();
     method public void setDisabledShowContext(int);
     method public final void setUiHints(@NonNull android.os.Bundle);
@@ -50560,6 +50562,7 @@
     field public static final int AXIS_GENERIC_7 = 38; // 0x26
     field public static final int AXIS_GENERIC_8 = 39; // 0x27
     field public static final int AXIS_GENERIC_9 = 40; // 0x28
+    field public static final int AXIS_GESTURE_PINCH_SCALE_FACTOR = 52; // 0x34
     field public static final int AXIS_GESTURE_SCROLL_X_DISTANCE = 50; // 0x32
     field public static final int AXIS_GESTURE_SCROLL_Y_DISTANCE = 51; // 0x33
     field public static final int AXIS_GESTURE_X_OFFSET = 48; // 0x30
@@ -50600,6 +50603,7 @@
     field public static final int CLASSIFICATION_AMBIGUOUS_GESTURE = 1; // 0x1
     field public static final int CLASSIFICATION_DEEP_PRESS = 2; // 0x2
     field public static final int CLASSIFICATION_NONE = 0; // 0x0
+    field public static final int CLASSIFICATION_PINCH = 5; // 0x5
     field public static final int CLASSIFICATION_TWO_FINGER_SWIPE = 3; // 0x3
     field @NonNull public static final android.os.Parcelable.Creator<android.view.MotionEvent> CREATOR;
     field public static final int EDGE_BOTTOM = 2; // 0x2
diff --git a/core/java/android/app/admin/EnterprisePlatformSecurity_OWNERS b/core/java/android/app/admin/EnterprisePlatformSecurity_OWNERS
index 0ec8253..270cb18 100644
--- a/core/java/android/app/admin/EnterprisePlatformSecurity_OWNERS
+++ b/core/java/android/app/admin/EnterprisePlatformSecurity_OWNERS
@@ -1,5 +1,4 @@
 rubinxu@google.com
-acjohnston@google.com
 pgrafov@google.com
 ayushsha@google.com
 alexkershaw@google.com #{LAST_RESORT_SUGGESTION}
\ No newline at end of file
diff --git a/core/java/android/app/admin/EnterprisePlatform_OWNERS b/core/java/android/app/admin/EnterprisePlatform_OWNERS
index fb00fe5..6ce25cc 100644
--- a/core/java/android/app/admin/EnterprisePlatform_OWNERS
+++ b/core/java/android/app/admin/EnterprisePlatform_OWNERS
@@ -1,2 +1,5 @@
+# Assign bugs to android-enterprise-triage@google.com
 file:WorkDeviceExperience_OWNERS
+file:Provisioning_OWNERS
+file:WorkProfile_OWNERS
 file:EnterprisePlatformSecurity_OWNERS
\ No newline at end of file
diff --git a/core/java/android/app/admin/Provisioning_OWNERS b/core/java/android/app/admin/Provisioning_OWNERS
new file mode 100644
index 0000000..c59a9dc
--- /dev/null
+++ b/core/java/android/app/admin/Provisioning_OWNERS
@@ -0,0 +1,5 @@
+# Assign bugs to android-enterprise-triage@google.com
+petuska@google.com
+nupursn@google.com
+shreyacsingh@google.com
+alexkershaw@google.com #{LAST_RESORT_SUGGESTION}
\ No newline at end of file
diff --git a/core/java/android/app/admin/WorkDeviceExperience_OWNERS b/core/java/android/app/admin/WorkDeviceExperience_OWNERS
index 82afddd..2033343 100644
--- a/core/java/android/app/admin/WorkDeviceExperience_OWNERS
+++ b/core/java/android/app/admin/WorkDeviceExperience_OWNERS
@@ -1,5 +1,7 @@
+# Assign bugs to android-enterprise-triage@google.com
 work-device-experience+reviews@google.com
-scottjonathan@google.com
-kholoudm@google.com
-eliselliott@google.com
+scottjonathan@google.com #{LAST_RESORT_SUGGESTION}
+eliselliott@google.com #{LAST_RESORT_SUGGESTION}
+kholoudm@google.com #{LAST_RESORT_SUGGESTION}
+acjohnston@google.com #{LAST_RESORT_SUGGESTION}
 alexkershaw@google.com #{LAST_RESORT_SUGGESTION}
diff --git a/core/java/android/app/admin/WorkProfile_OWNERS b/core/java/android/app/admin/WorkProfile_OWNERS
new file mode 100644
index 0000000..260b672
--- /dev/null
+++ b/core/java/android/app/admin/WorkProfile_OWNERS
@@ -0,0 +1,5 @@
+# Assign bugs to android-enterprise-triage@google.com
+liahav@google.com
+olit@google.com
+scottjonathan@google.com #{LAST_RESORT_SUGGESTION}
+alexkershaw@google.com #{LAST_RESORT_SUGGESTION}
\ No newline at end of file
diff --git a/core/java/android/service/voice/IVoiceInteractionService.aidl b/core/java/android/service/voice/IVoiceInteractionService.aidl
index 24819a6..efae5c1 100644
--- a/core/java/android/service/voice/IVoiceInteractionService.aidl
+++ b/core/java/android/service/voice/IVoiceInteractionService.aidl
@@ -16,6 +16,8 @@
 
 package android.service.voice;
 
+import android.os.Bundle;
+
 import com.android.internal.app.IVoiceActionCheckCallback;
 
 /**
@@ -28,4 +30,6 @@
     void launchVoiceAssistFromKeyguard();
     void getActiveServiceSupportedActions(in List<String> voiceActions,
      in IVoiceActionCheckCallback callback);
+    void prepareToShowSession(in Bundle args, int flags);
+    void showSessionFailed();
 }
diff --git a/core/java/android/service/voice/VoiceInteractionService.java b/core/java/android/service/voice/VoiceInteractionService.java
index 9e1518d..d49b5a5 100644
--- a/core/java/android/service/voice/VoiceInteractionService.java
+++ b/core/java/android/service/voice/VoiceInteractionService.java
@@ -160,6 +160,20 @@
                             voiceActions,
                             callback));
         }
+
+        @Override
+        public void prepareToShowSession(Bundle args, int flags) {
+            Handler.getMain().executeOrSendMessage(PooledLambda.obtainMessage(
+                    VoiceInteractionService::onPrepareToShowSession,
+                    VoiceInteractionService.this, args, flags));
+        }
+
+        @Override
+        public void showSessionFailed() {
+            Handler.getMain().executeOrSendMessage(PooledLambda.obtainMessage(
+                    VoiceInteractionService::onShowSessionFailed,
+                    VoiceInteractionService.this));
+        }
     };
 
     IVoiceInteractionManagerService mSystemService;
@@ -184,6 +198,31 @@
     }
 
     /**
+     * Notify the interactor when the system prepares to show session. The system is going to
+     * bind the session service.
+     *
+     * @param args  The arguments that were supplied to {@link #showSession(Bundle, int)}.
+     * @param flags The show flags originally provided to {@link #showSession(Bundle, int)}.
+     * @see #showSession(Bundle, int)
+     * @see #onShowSessionFailed()
+     * @see VoiceInteractionSession#onShow(Bundle, int)
+     * @see VoiceInteractionSession#show(Bundle, int)
+     */
+    public void onPrepareToShowSession(@NonNull Bundle args, int flags) {
+    }
+
+    /**
+     * Called when the show session failed. E.g. When the system bound the session service failed.
+     *
+     * @see #showSession(Bundle, int)
+     * @see #onPrepareToShowSession(Bundle, int)
+     * @see VoiceInteractionSession#onShow(Bundle, int)
+     * @see VoiceInteractionSession#show(Bundle, int)
+     */
+    public void onShowSessionFailed() {
+    }
+
+    /**
      * Check whether the given service component is the currently active
      * VoiceInteractionService.
      */
diff --git a/core/java/android/view/MotionEvent.java b/core/java/android/view/MotionEvent.java
index b91019c..84bbdd1 100644
--- a/core/java/android/view/MotionEvent.java
+++ b/core/java/android/view/MotionEvent.java
@@ -1283,6 +1283,8 @@
      * swipe gesture starts at X = 500 then moves to X = 400, this axis would have a value of
      * -0.1.
      * </ul>
+     * These values are relative to the state from the last event, not accumulated, so developers
+     * should make sure to process this axis value for all batched historical events.
      */
     public static final int AXIS_GESTURE_X_OFFSET = 48;
 
@@ -1300,6 +1302,8 @@
      * <li>For a touch pad, reports the distance that should be scrolled in the X axis as a result
      * of the user's two-finger scroll gesture, in display pixels.
      * </ul>
+     * These values are relative to the state from the last event, not accumulated, so developers
+     * should make sure to process this axis value for all batched historical events.
      */
     public static final int AXIS_GESTURE_SCROLL_X_DISTANCE = 50;
 
@@ -1310,6 +1314,19 @@
      */
     public static final int AXIS_GESTURE_SCROLL_Y_DISTANCE = 51;
 
+    /**
+     * Axis constant: pinch scale factor of a motion event.
+     * <p>
+     * <ul>
+     * <li>For a touch pad, reports the change in distance between the fingers when the user is
+     * making a pinch gesture, as a proportion of the previous distance. For example, if the fingers
+     * were 50 units apart and are now 52 units apart, the scale factor would be 1.04.
+     * </ul>
+     * These values are relative to the state from the last event, not accumulated, so developers
+     * should make sure to process this axis value for all batched historical events.
+     */
+    public static final int AXIS_GESTURE_PINCH_SCALE_FACTOR = 52;
+
     // NOTE: If you add a new axis here you must also add it to:
     //  frameworks/native/include/android/input.h
     //  frameworks/native/libs/input/InputEventLabels.cpp
@@ -1369,6 +1386,7 @@
         names.append(AXIS_GESTURE_Y_OFFSET, "AXIS_GESTURE_Y_OFFSET");
         names.append(AXIS_GESTURE_SCROLL_X_DISTANCE, "AXIS_GESTURE_SCROLL_X_DISTANCE");
         names.append(AXIS_GESTURE_SCROLL_Y_DISTANCE, "AXIS_GESTURE_SCROLL_Y_DISTANCE");
+        names.append(AXIS_GESTURE_PINCH_SCALE_FACTOR, "AXIS_GESTURE_PINCH_SCALE_FACTOR");
     }
 
     /**
@@ -1522,11 +1540,22 @@
      */
     public static final int CLASSIFICATION_MULTI_FINGER_SWIPE = 4;
 
+    /**
+     * Classification constant: touchpad pinch.
+     *
+     * The current event stream represents the user pinching with two fingers on a touchpad. The
+     * gesture is centered around the current cursor position.
+     *
+     * @see #getClassification
+     */
+    public static final int CLASSIFICATION_PINCH = 5;
+
     /** @hide */
     @Retention(SOURCE)
     @IntDef(prefix = { "CLASSIFICATION" }, value = {
             CLASSIFICATION_NONE, CLASSIFICATION_AMBIGUOUS_GESTURE, CLASSIFICATION_DEEP_PRESS,
-            CLASSIFICATION_TWO_FINGER_SWIPE, CLASSIFICATION_MULTI_FINGER_SWIPE})
+            CLASSIFICATION_TWO_FINGER_SWIPE, CLASSIFICATION_MULTI_FINGER_SWIPE,
+            CLASSIFICATION_PINCH})
     public @interface Classification {};
 
     /**
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 2114ce7..74e521a 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -8823,6 +8823,10 @@
             mAdded = false;
             AnimationHandler.removeRequestor(this);
         }
+        if (mActiveSurfaceSyncGroup != null) {
+            mActiveSurfaceSyncGroup.markSyncReady();
+            mActiveSurfaceSyncGroup = null;
+        }
         WindowManagerGlobal.getInstance().doRemoveView(this);
     }
 
diff --git a/core/java/com/android/server/backup/AccountManagerBackupHelper.java b/core/java/com/android/server/backup/AccountManagerBackupHelper.java
index f76dd09..5677699 100644
--- a/core/java/com/android/server/backup/AccountManagerBackupHelper.java
+++ b/core/java/com/android/server/backup/AccountManagerBackupHelper.java
@@ -18,8 +18,8 @@
 
 import android.accounts.AccountManagerInternal;
 import android.app.backup.BlobBackupHelper;
-import android.os.UserHandle;
 import android.util.Slog;
+
 import com.android.server.LocalServices;
 
 /**
@@ -35,8 +35,11 @@
     // key under which the account access grant state blob is committed to backup
     private static final String KEY_ACCOUNT_ACCESS_GRANTS = "account_access_grants";
 
-    public AccountManagerBackupHelper() {
+    private final int mUserId;
+
+    public AccountManagerBackupHelper(int userId) {
         super(STATE_VERSION, KEY_ACCOUNT_ACCESS_GRANTS);
+        mUserId = userId;
     }
 
     @Override
@@ -48,7 +51,7 @@
         try {
             switch (key) {
                 case KEY_ACCOUNT_ACCESS_GRANTS: {
-                    return am.backupAccountAccessPermissions(UserHandle.USER_SYSTEM);
+                    return am.backupAccountAccessPermissions(mUserId);
                 }
 
                 default: {
@@ -71,7 +74,7 @@
         try {
             switch (key) {
                 case KEY_ACCOUNT_ACCESS_GRANTS: {
-                    am.restoreAccountAccessPermissions(payload, UserHandle.USER_SYSTEM);
+                    am.restoreAccountAccessPermissions(payload, mUserId);
                 } break;
 
                 default: {
diff --git a/native/android/input.cpp b/native/android/input.cpp
index 5e5ebed..f1c3088 100644
--- a/native/android/input.cpp
+++ b/native/android/input.cpp
@@ -299,6 +299,8 @@
             return AMOTION_EVENT_CLASSIFICATION_TWO_FINGER_SWIPE;
         case android::MotionClassification::MULTI_FINGER_SWIPE:
             return AMOTION_EVENT_CLASSIFICATION_MULTI_FINGER_SWIPE;
+        case android::MotionClassification::PINCH:
+            return AMOTION_EVENT_CLASSIFICATION_PINCH;
     }
 }
 
diff --git a/services/backup/java/com/android/server/backup/TransportManager.java b/services/backup/java/com/android/server/backup/TransportManager.java
index a4ea698..05327dc 100644
--- a/services/backup/java/com/android/server/backup/TransportManager.java
+++ b/services/backup/java/com/android/server/backup/TransportManager.java
@@ -156,14 +156,16 @@
             } catch (IllegalArgumentException ex) {
                 // packageName doesn't exist: likely due to a race with it being uninstalled.
                 if (MORE_DEBUG) {
-                    Slog.d(TAG, "Package " + packageName + " was changed, but no longer exists.");
+                    Slog.d(TAG, addUserIdToLogMessage(mUserId, "Package " + packageName
+                            + " was changed, but no longer exists."));
                 }
                 return;
             }
             switch (enabled) {
                 case COMPONENT_ENABLED_STATE_ENABLED: {
                     if (MORE_DEBUG) {
-                        Slog.d(TAG, "Package " + packageName + " was enabled.");
+                        Slog.d(TAG, addUserIdToLogMessage(mUserId, "Package " + packageName
+                                + " was enabled."));
                     }
                     onPackageEnabled(packageName);
                     return;
@@ -173,28 +175,31 @@
                     // Unless explicitly specified in manifest, the default enabled state
                     // is 'enabled'. Here, we assume that default state always means enabled.
                     if (MORE_DEBUG) {
-                        Slog.d(TAG, "Package " + packageName
-                                + " was put in default enabled state.");
+                        Slog.d(TAG, addUserIdToLogMessage(mUserId, "Package " + packageName
+                                + " was put in default enabled state."));
                     }
                     onPackageEnabled(packageName);
                     return;
                 }
                 case COMPONENT_ENABLED_STATE_DISABLED: {
                     if (MORE_DEBUG) {
-                        Slog.d(TAG, "Package " + packageName + " was disabled.");
+                        Slog.d(TAG, addUserIdToLogMessage(mUserId, "Package " + packageName
+                                + " was disabled."));
                     }
                     onPackageDisabled(packageName);
                     return;
                 }
                 case COMPONENT_ENABLED_STATE_DISABLED_USER: {
                     if (MORE_DEBUG) {
-                        Slog.d(TAG, "Package " + packageName + " was disabled by user.");
+                        Slog.d(TAG, addUserIdToLogMessage(mUserId, "Package " + packageName
+                                + " was disabled by user."));
                     }
                     onPackageDisabled(packageName);
                     return;
                 }
                 default: {
-                    Slog.w(TAG, "Package " + packageName + " enabled setting: " + enabled);
+                    Slog.w(TAG, addUserIdToLogMessage(mUserId, "Package " + packageName
+                            + " enabled setting: " + enabled));
                     return;
                 }
             }
@@ -405,7 +410,8 @@
             TransportDescription description =
                     mRegisteredTransportsDescriptionMap.get(transportComponent);
             if (description == null) {
-                Slog.e(TAG, "Transport " + name + " not registered tried to change description");
+                Slog.e(TAG, addUserIdToLogMessage(mUserId, "Transport " + name
+                        + " not registered tried to change description"));
                 return;
             }
             description.name = name;
@@ -413,7 +419,8 @@
             description.currentDestinationString = currentDestinationString;
             description.dataManagementIntent = dataManagementIntent;
             description.dataManagementLabel = dataManagementLabel;
-            Slog.d(TAG, "Transport " + name + " updated its attributes");
+            Slog.d(TAG, addUserIdToLogMessage(mUserId, "Transport " + name
+                    + " updated its attributes"));
         }
     }
 
@@ -493,7 +500,8 @@
         try {
             return getTransportClientOrThrow(transportName, caller);
         } catch (TransportNotRegisteredException e) {
-            Slog.w(TAG, "Transport " + transportName + " not registered");
+            Slog.w(TAG, addUserIdToLogMessage(mUserId, "Transport " + transportName
+                    + " not registered"));
             return null;
         }
     }
@@ -620,7 +628,7 @@
                 selectTransport(getTransportName(transportComponent));
                 return BackupManager.SUCCESS;
             } catch (TransportNotRegisteredException e) {
-                Slog.wtf(TAG, "Transport got unregistered");
+                Slog.wtf(TAG, addUserIdToLogMessage(mUserId, "Transport got unregistered"));
                 return BackupManager.ERROR_TRANSPORT_UNAVAILABLE;
             }
         }
@@ -637,7 +645,8 @@
         try {
             mPackageManager.getPackageInfoAsUser(packageName, 0, mUserId);
         } catch (PackageManager.NameNotFoundException e) {
-            Slog.e(TAG, "Trying to register transports from package not found " + packageName);
+            Slog.e(TAG, addUserIdToLogMessage(mUserId,
+                    "Trying to register transports from package not found " + packageName));
             return;
         }
 
@@ -668,7 +677,8 @@
         if (!mTransportWhitelist.contains(transport)) {
             Slog.w(
                     TAG,
-                    "BackupTransport " + transport.flattenToShortString() + " not whitelisted.");
+                    addUserIdToLogMessage(mUserId, "BackupTransport "
+                            + transport.flattenToShortString() + " not whitelisted."));
             return false;
         }
         try {
@@ -676,11 +686,12 @@
                     mPackageManager.getPackageInfoAsUser(transport.getPackageName(), 0, mUserId);
             if ((packInfo.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED)
                     == 0) {
-                Slog.w(TAG, "Transport package " + transport.getPackageName() + " not privileged");
+                Slog.w(TAG, addUserIdToLogMessage(mUserId, "Transport package "
+                        + transport.getPackageName() + " not privileged"));
                 return false;
             }
         } catch (PackageManager.NameNotFoundException e) {
-            Slog.w(TAG, "Package not found.", e);
+            Slog.w(TAG, addUserIdToLogMessage(mUserId, "Package not found."), e);
             return false;
         }
         return true;
@@ -716,7 +727,8 @@
         try {
             transport = transportConnection.connectOrThrow(callerLogString);
         } catch (TransportNotAvailableException e) {
-            Slog.e(TAG, "Couldn't connect to transport " + transportString + " for registration");
+            Slog.e(TAG, addUserIdToLogMessage(mUserId, "Couldn't connect to transport "
+                    + transportString + " for registration"));
             mTransportConnectionManager.disposeOfTransportClient(transportConnection,
                     callerLogString);
             return BackupManager.ERROR_TRANSPORT_UNAVAILABLE;
@@ -728,11 +740,13 @@
             String transportDirName = transport.transportDirName();
             registerTransport(transportComponent, transport);
             // If registerTransport() hasn't thrown...
-            Slog.d(TAG, "Transport " + transportString + " registered");
+            Slog.d(TAG, addUserIdToLogMessage(mUserId, "Transport " + transportString
+                    + " registered"));
             mOnTransportRegisteredListener.onTransportRegistered(transportName, transportDirName);
             result = BackupManager.SUCCESS;
         } catch (RemoteException e) {
-            Slog.e(TAG, "Transport " + transportString + " died while registering");
+            Slog.e(TAG, addUserIdToLogMessage(mUserId, "Transport " + transportString
+                    + " died while registering"));
             result = BackupManager.ERROR_TRANSPORT_UNAVAILABLE;
         }
 
@@ -798,4 +812,8 @@
             this.dataManagementLabel = dataManagementLabel;
         }
     }
+
+    private static String addUserIdToLogMessage(int userId, String message) {
+        return "[UserID:" + userId + "] " + message;
+    }
 }
diff --git a/services/core/java/com/android/server/backup/SystemBackupAgent.java b/services/core/java/com/android/server/backup/SystemBackupAgent.java
index 1b20e43..59d8afa 100644
--- a/services/core/java/com/android/server/backup/SystemBackupAgent.java
+++ b/services/core/java/com/android/server/backup/SystemBackupAgent.java
@@ -84,7 +84,8 @@
     private static final String WALLPAPER_IMAGE_KEY = WallpaperBackupHelper.WALLPAPER_IMAGE_KEY;
 
     private static final Set<String> sEligibleForMultiUser = Sets.newArraySet(
-            PERMISSION_HELPER, NOTIFICATION_HELPER, SYNC_SETTINGS_HELPER, APP_LOCALES_HELPER);
+            PERMISSION_HELPER, NOTIFICATION_HELPER, SYNC_SETTINGS_HELPER, APP_LOCALES_HELPER,
+            ACCOUNT_MANAGER_HELPER);
 
     private int mUserId = UserHandle.USER_SYSTEM;
 
@@ -100,7 +101,7 @@
         addHelper(PERMISSION_HELPER, new PermissionBackupHelper(mUserId));
         addHelper(USAGE_STATS_HELPER, new UsageStatsBackupHelper(this));
         addHelper(SHORTCUT_MANAGER_HELPER, new ShortcutBackupHelper());
-        addHelper(ACCOUNT_MANAGER_HELPER, new AccountManagerBackupHelper());
+        addHelper(ACCOUNT_MANAGER_HELPER, new AccountManagerBackupHelper(mUserId));
         addHelper(SLICES_HELPER, new SliceBackupHelper(this));
         addHelper(PEOPLE_HELPER, new PeopleBackupHelper(mUserId));
         addHelper(APP_LOCALES_HELPER, new AppSpecificLocalesBackupHelper(mUserId));
diff --git a/services/core/java/com/android/server/media/BluetoothRouteProvider.java b/services/core/java/com/android/server/media/BluetoothRouteProvider.java
index c90554d..8182fe9 100644
--- a/services/core/java/com/android/server/media/BluetoothRouteProvider.java
+++ b/services/core/java/com/android/server/media/BluetoothRouteProvider.java
@@ -70,11 +70,13 @@
     private final BluetoothAdapter mBluetoothAdapter;
     private final BluetoothRoutesUpdatedListener mListener;
     private final AudioManager mAudioManager;
-    private final Map<String, BluetoothEventReceiver> mEventReceiverMap = new HashMap<>();
-    private final IntentFilter mIntentFilter = new IntentFilter();
-    private final BroadcastReceiver mBroadcastReceiver = new BluetoothBroadcastReceiver();
     private final BluetoothProfileListener mProfileListener = new BluetoothProfileListener();
 
+    private final AdapterStateChangedReceiver mAdapterStateChangedReceiver =
+            new AdapterStateChangedReceiver();
+    private final DeviceStateChangedReceiver mDeviceStateChangedReceiver =
+            new DeviceStateChangedReceiver();
+
     private BluetoothA2dp mA2dpProfile;
     private BluetoothHearingAid mHearingAidProfile;
     private BluetoothLeAudio mLeAudioProfile;
@@ -105,32 +107,45 @@
         buildBluetoothRoutes();
     }
 
+    /**
+     * Registers listener to bluetooth status changes as the provided user.
+     *
+     * The registered receiver listens to {@link BluetoothA2dp#ACTION_ACTIVE_DEVICE_CHANGED} and
+     * {@link BluetoothA2dp#ACTION_CONNECTION_STATE_CHANGED } events for {@link BluetoothProfile#A2DP},
+     * {@link BluetoothProfile#HEARING_AID}, and {@link BluetoothProfile#LE_AUDIO} bluetooth profiles.
+     *
+     * @param user {@code UserHandle} as which receiver is registered
+     */
     void start(UserHandle user) {
         mBluetoothAdapter.getProfileProxy(mContext, mProfileListener, BluetoothProfile.A2DP);
         mBluetoothAdapter.getProfileProxy(mContext, mProfileListener, BluetoothProfile.HEARING_AID);
         mBluetoothAdapter.getProfileProxy(mContext, mProfileListener, BluetoothProfile.LE_AUDIO);
 
-        // Bluetooth on/off broadcasts
-        addEventReceiver(BluetoothAdapter.ACTION_STATE_CHANGED, new AdapterStateChangedReceiver());
+        IntentFilter adapterStateChangedIntentFilter = new IntentFilter();
 
-        DeviceStateChangedReceiver deviceStateChangedReceiver = new DeviceStateChangedReceiver();
-        addEventReceiver(BluetoothA2dp.ACTION_ACTIVE_DEVICE_CHANGED, deviceStateChangedReceiver);
-        addEventReceiver(BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED, deviceStateChangedReceiver);
-        addEventReceiver(BluetoothHearingAid.ACTION_ACTIVE_DEVICE_CHANGED,
-                deviceStateChangedReceiver);
-        addEventReceiver(BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED,
-                deviceStateChangedReceiver);
-        addEventReceiver(BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED,
-                deviceStateChangedReceiver);
-        addEventReceiver(BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED,
-                deviceStateChangedReceiver);
+        adapterStateChangedIntentFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
+        mContext.registerReceiverAsUser(mAdapterStateChangedReceiver, user,
+                adapterStateChangedIntentFilter, null, null);
 
-        mContext.registerReceiverAsUser(mBroadcastReceiver, user,
-                mIntentFilter, null, null);
+        IntentFilter deviceStateChangedIntentFilter = new IntentFilter();
+
+        deviceStateChangedIntentFilter.addAction(BluetoothA2dp.ACTION_ACTIVE_DEVICE_CHANGED);
+        deviceStateChangedIntentFilter.addAction(BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED);
+        deviceStateChangedIntentFilter.addAction(BluetoothHearingAid.ACTION_ACTIVE_DEVICE_CHANGED);
+        deviceStateChangedIntentFilter.addAction(
+                BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED);
+        deviceStateChangedIntentFilter.addAction(
+                BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED);
+        deviceStateChangedIntentFilter.addAction(
+                BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED);
+
+        mContext.registerReceiverAsUser(mDeviceStateChangedReceiver, user,
+                deviceStateChangedIntentFilter, null, null);
     }
 
     void stop() {
-        mContext.unregisterReceiver(mBroadcastReceiver);
+        mContext.unregisterReceiver(mAdapterStateChangedReceiver);
+        mContext.unregisterReceiver(mDeviceStateChangedReceiver);
     }
 
     /**
@@ -167,11 +182,6 @@
         }
     }
 
-    private void addEventReceiver(String action, BluetoothEventReceiver eventReceiver) {
-        mEventReceiverMap.put(action, eventReceiver);
-        mIntentFilter.addAction(action);
-    }
-
     private void buildBluetoothRoutes() {
         mBluetoothRoutes.clear();
         Set<BluetoothDevice> bondedDevices = mBluetoothAdapter.getBondedDevices();
@@ -495,26 +505,9 @@
         }
     }
 
-    private class BluetoothBroadcastReceiver extends BroadcastReceiver {
+    private class AdapterStateChangedReceiver extends BroadcastReceiver {
         @Override
         public void onReceive(Context context, Intent intent) {
-            String action = intent.getAction();
-            BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE, android.bluetooth.BluetoothDevice.class);
-
-            BluetoothEventReceiver receiver = mEventReceiverMap.get(action);
-            if (receiver != null) {
-                receiver.onReceive(context, intent, device);
-            }
-        }
-    }
-
-    private interface BluetoothEventReceiver {
-        void onReceive(Context context, Intent intent, BluetoothDevice device);
-    }
-
-    private class AdapterStateChangedReceiver implements BluetoothEventReceiver {
-        @Override
-        public void onReceive(Context context, Intent intent, BluetoothDevice device) {
             int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, -1);
             if (state == BluetoothAdapter.STATE_OFF
                     || state == BluetoothAdapter.STATE_TURNING_OFF) {
@@ -529,9 +522,12 @@
         }
     }
 
-    private class DeviceStateChangedReceiver implements BluetoothEventReceiver {
+    private class DeviceStateChangedReceiver extends BroadcastReceiver {
         @Override
-        public void onReceive(Context context, Intent intent, BluetoothDevice device) {
+        public void onReceive(Context context, Intent intent) {
+            BluetoothDevice device = intent.getParcelableExtra(
+                    BluetoothDevice.EXTRA_DEVICE, android.bluetooth.BluetoothDevice.class);
+
             switch (intent.getAction()) {
                 case BluetoothA2dp.ACTION_ACTIVE_DEVICE_CHANGED:
                     clearActiveRoutesWithType(MediaRoute2Info.TYPE_BLUETOOTH_A2DP);
diff --git a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
index 8c58e15..6edfebf 100644
--- a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
+++ b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
@@ -2852,8 +2852,8 @@
         setWallpaperComponent(name, UserHandle.getCallingUserId(), FLAG_SYSTEM);
     }
 
-    private void setWallpaperComponent(ComponentName name, @SetWallpaperFlags int which,
-            int userId) {
+    @VisibleForTesting
+    void setWallpaperComponent(ComponentName name, @SetWallpaperFlags int which, int userId) {
         userId = ActivityManager.handleIncomingUser(getCallingPid(), getCallingUid(), userId,
                 false /* all */, true /* full */, "changing live wallpaper", null /* pkg */);
         checkPermission(android.Manifest.permission.SET_WALLPAPER_COMPONENT);
diff --git a/services/tests/mockingservicestests/src/com/android/server/wallpaper/WallpaperManagerServiceTests.java b/services/tests/mockingservicestests/src/com/android/server/wallpaper/WallpaperManagerServiceTests.java
index 52ed3bc..c08f6bf 100644
--- a/services/tests/mockingservicestests/src/com/android/server/wallpaper/WallpaperManagerServiceTests.java
+++ b/services/tests/mockingservicestests/src/com/android/server/wallpaper/WallpaperManagerServiceTests.java
@@ -71,7 +71,6 @@
 import android.util.Xml;
 import android.view.Display;
 
-import androidx.test.filters.FlakyTest;
 import androidx.test.platform.app.InstrumentationRegistry;
 import androidx.test.runner.AndroidJUnit4;
 
@@ -89,6 +88,7 @@
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.ClassRule;
+import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
@@ -110,7 +110,6 @@
  * atest FrameworksMockingServicesTests:WallpaperManagerServiceTests
  */
 @Presubmit
-@FlakyTest(bugId = 129797242)
 @RunWith(AndroidJUnit4.class)
 public class WallpaperManagerServiceTests {
 
@@ -273,8 +272,10 @@
 
     /**
      * Tests setWallpaperComponent and clearWallpaper should work as expected.
+     * TODO ignored since the assumption never passes. to be investigated.
      */
     @Test
+    @Ignore("b/264533465")
     public void testSetThenClearComponent() {
         // Skip if there is no pre-defined default wallpaper component.
         assumeThat(sDefaultWallpaperComponent,
@@ -285,7 +286,7 @@
         verifyLastWallpaperData(testUserId, sDefaultWallpaperComponent);
         verifyCurrentSystemData(testUserId);
 
-        mService.setWallpaperComponent(sImageWallpaperComponentName);
+        mService.setWallpaperComponent(sImageWallpaperComponentName, FLAG_SYSTEM, testUserId);
         verifyLastWallpaperData(testUserId, sImageWallpaperComponentName);
         verifyCurrentSystemData(testUserId);
 
@@ -312,7 +313,7 @@
 
         WallpaperManagerService.WallpaperConnection.DisplayConnector connector =
                 mService.mLastWallpaper.connection.getDisplayConnectorOrCreate(DEFAULT_DISPLAY);
-        mService.setWallpaperComponent(sDefaultWallpaperComponent);
+        mService.setWallpaperComponent(sDefaultWallpaperComponent, FLAG_SYSTEM, testUserId);
 
         verify(connector.mEngine).dispatchWallpaperCommand(
                 eq(COMMAND_REAPPLY), anyInt(), anyInt(), anyInt(), any());
@@ -454,7 +455,7 @@
     public void testGetAdjustedWallpaperColorsOnDimming() throws RemoteException {
         final int testUserId = USER_SYSTEM;
         mService.switchUser(testUserId, null);
-        mService.setWallpaperComponent(sDefaultWallpaperComponent);
+        mService.setWallpaperComponent(sDefaultWallpaperComponent, FLAG_SYSTEM, testUserId);
         WallpaperData wallpaper = mService.getCurrentWallpaperData(FLAG_SYSTEM, testUserId);
 
         // Mock a wallpaper data with color hints that support dark text and dark theme
diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerServiceImpl.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerServiceImpl.java
index 9643282..13c0f17 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerServiceImpl.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerServiceImpl.java
@@ -251,11 +251,29 @@
             @Nullable String attributionTag,
             @Nullable IVoiceInteractionSessionShowCallback showCallback,
             @Nullable IBinder activityToken) {
+        try {
+            if (mService != null) {
+                mService.prepareToShowSession(args, flags);
+            }
+        } catch (RemoteException e) {
+            Slog.w(TAG, "RemoteException while calling prepareToShowSession", e);
+        }
+
         if (mActiveSession == null) {
             mActiveSession = new VoiceInteractionSessionConnection(mServiceStub,
                     mSessionComponentName, mUser, mContext, this,
                     mInfo.getServiceInfo().applicationInfo.uid, mHandler);
         }
+        if (!mActiveSession.mBound) {
+            try {
+                if (mService != null) {
+                    mService.showSessionFailed();
+                }
+            } catch (RemoteException e) {
+                Slog.w(TAG, "RemoteException while calling showSessionFailed", e);
+            }
+        }
+
         List<ActivityAssistInfo> allVisibleActivities =
                 LocalServices.getService(ActivityTaskManagerInternal.class)
                         .getTopVisibleActivities();