diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index c8f5674..8ced596 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -375,6 +375,7 @@
     min_sdk_version: "30",
     apex_available: [
         "//apex_available:platform",
+        "com.android.btservices",
         "com.android.mediaprovider",
         "com.android.permission",
     ],
diff --git a/cmds/uiautomator/library/core-src/com/android/uiautomator/core/AccessibilityNodeInfoDumper.java b/cmds/uiautomator/library/core-src/com/android/uiautomator/core/AccessibilityNodeInfoDumper.java
index f726361..a88796c3 100644
--- a/cmds/uiautomator/library/core-src/com/android/uiautomator/core/AccessibilityNodeInfoDumper.java
+++ b/cmds/uiautomator/library/core-src/com/android/uiautomator/core/AccessibilityNodeInfoDumper.java
@@ -217,6 +217,9 @@
         serializer.attribute("", "selected", Boolean.toString(node.isSelected()));
         serializer.attribute("", "bounds", AccessibilityNodeInfoHelper.getVisibleBoundsInScreen(
                 node, width, height).toShortString());
+        serializer.attribute("", "drawing-order", Integer.toString(node.getDrawingOrder()));
+        serializer.attribute("", "hint", safeCharSeqToString(node.getHintText()));
+
         int count = node.getChildCount();
         for (int i = 0; i < count; i++) {
             AccessibilityNodeInfo child = node.getChild(i);
diff --git a/core/api/current.txt b/core/api/current.txt
index 1f45289..c96d18d 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -33262,7 +33262,7 @@
   }
 
   public interface IBinder {
-    method @FlaggedApi("android.os.binder_frozen_state_change_callback") public default void addFrozenStateChangeCallback(@NonNull android.os.IBinder.FrozenStateChangeCallback) throws android.os.RemoteException;
+    method @FlaggedApi("android.os.binder_frozen_state_change_callback") public default void addFrozenStateChangeCallback(@NonNull java.util.concurrent.Executor, @NonNull android.os.IBinder.FrozenStateChangeCallback) throws android.os.RemoteException;
     method public void dump(@NonNull java.io.FileDescriptor, @Nullable String[]) throws android.os.RemoteException;
     method public void dumpAsync(@NonNull java.io.FileDescriptor, @Nullable String[]) throws android.os.RemoteException;
     method @Nullable public String getInterfaceDescriptor() throws android.os.RemoteException;
@@ -33886,6 +33886,7 @@
     method public void finishBroadcast();
     method public Object getBroadcastCookie(int);
     method public E getBroadcastItem(int);
+    method @FlaggedApi("android.os.binder_frozen_state_change_callback") @Nullable public java.util.concurrent.Executor getExecutor();
     method @FlaggedApi("android.os.binder_frozen_state_change_callback") public int getFrozenCalleePolicy();
     method @FlaggedApi("android.os.binder_frozen_state_change_callback") public int getMaxQueueSize();
     method public Object getRegisteredCallbackCookie(int);
@@ -33906,6 +33907,7 @@
   @FlaggedApi("android.os.binder_frozen_state_change_callback") public static final class RemoteCallbackList.Builder<E extends android.os.IInterface> {
     ctor public RemoteCallbackList.Builder(int);
     method @NonNull public android.os.RemoteCallbackList<E> build();
+    method @NonNull public android.os.RemoteCallbackList.Builder setExecutor(@NonNull java.util.concurrent.Executor);
     method @NonNull public android.os.RemoteCallbackList.Builder setInterfaceDiedCallback(@NonNull android.os.RemoteCallbackList.Builder.InterfaceDiedCallback<E>);
     method @NonNull public android.os.RemoteCallbackList.Builder setMaxQueueSize(int);
   }
diff --git a/core/java/android/os/BinderProxy.java b/core/java/android/os/BinderProxy.java
index 3b5a99e..01222cd 100644
--- a/core/java/android/os/BinderProxy.java
+++ b/core/java/android/os/BinderProxy.java
@@ -36,6 +36,7 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.Executor;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
@@ -651,28 +652,39 @@
     private native boolean unlinkToDeathNative(DeathRecipient recipient, int flags);
 
     /**
-     * This list is to hold strong reference to the frozen state callbacks. The callbacks are only
-     * weakly referenced by JNI so the strong references here are needed to keep the callbacks
-     * around until the proxy is GC'ed.
+     * This map is to hold strong reference to the frozen state callbacks.
+     *
+     * The callbacks are only weakly referenced by JNI so the strong references here are needed to
+     * keep the callbacks around until the proxy is GC'ed.
+     *
+     * The key is the original callback passed into {@link #addFrozenStateChangeCallback}. The value
+     * is the wrapped callback created in {@link #addFrozenStateChangeCallback} to dispatch the
+     * calls on the desired executor.
      */
-    private List<FrozenStateChangeCallback> mFrozenStateChangeCallbacks =
-            Collections.synchronizedList(new ArrayList<>());
+    private Map<FrozenStateChangeCallback, FrozenStateChangeCallback> mFrozenStateChangeCallbacks =
+            Collections.synchronizedMap(new HashMap<>());
 
     /**
      * See {@link IBinder#addFrozenStateChangeCallback(FrozenStateChangeCallback)}
      */
-    public void addFrozenStateChangeCallback(FrozenStateChangeCallback callback)
+    public void addFrozenStateChangeCallback(Executor executor, FrozenStateChangeCallback callback)
             throws RemoteException {
-        addFrozenStateChangeCallbackNative(callback);
-        mFrozenStateChangeCallbacks.add(callback);
+        FrozenStateChangeCallback wrappedCallback = (who, state) ->
+                executor.execute(() -> callback.onFrozenStateChanged(who, state));
+        addFrozenStateChangeCallbackNative(wrappedCallback);
+        mFrozenStateChangeCallbacks.put(callback, wrappedCallback);
     }
 
     /**
      * See {@link IBinder#removeFrozenStateChangeCallback}
      */
-    public boolean removeFrozenStateChangeCallback(FrozenStateChangeCallback callback) {
-        mFrozenStateChangeCallbacks.remove(callback);
-        return removeFrozenStateChangeCallbackNative(callback);
+    public boolean removeFrozenStateChangeCallback(FrozenStateChangeCallback callback)
+            throws IllegalArgumentException {
+        FrozenStateChangeCallback wrappedCallback = mFrozenStateChangeCallbacks.remove(callback);
+        if (wrappedCallback == null) {
+            throw new IllegalArgumentException("callback not found");
+        }
+        return removeFrozenStateChangeCallbackNative(wrappedCallback);
     }
 
     private native void addFrozenStateChangeCallbackNative(FrozenStateChangeCallback callback)
diff --git a/core/java/android/os/IBinder.java b/core/java/android/os/IBinder.java
index a997f4c..8cfd324 100644
--- a/core/java/android/os/IBinder.java
+++ b/core/java/android/os/IBinder.java
@@ -16,6 +16,7 @@
 
 package android.os;
 
+import android.annotation.CallbackExecutor;
 import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
@@ -25,6 +26,7 @@
 import java.io.FileDescriptor;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.concurrent.Executor;
 
 /**
  * Base interface for a remotable object, the core part of a lightweight
@@ -397,12 +399,31 @@
         @interface State {
         }
 
+        /**
+         * Represents the frozen state of the remote process.
+         *
+         * While in this state, the remote process won't be able to receive and handle a
+         * transaction. Therefore, any asynchronous transactions will be buffered and delivered when
+         * the process is unfrozen, and any synchronous transactions will result in an error.
+         *
+         * Buffered transactions may be stale by the time that the process is unfrozen and handles
+         * them. To avoid overwhelming the remote process with stale events or overflowing their
+         * buffers, it's best to avoid sending binder transactions to a frozen process.
+         */
         int STATE_FROZEN = 0;
+
+        /**
+         * Represents the unfrozen state of the remote process.
+         *
+         * In this state, the process hosting the object can execute and is not restricted
+         * by the freezer from using the CPU or responding to binder transactions.
+         */
         int STATE_UNFROZEN = 1;
 
         /**
          * Interface for receiving a callback when the process hosting an IBinder
          * has changed its frozen state.
+         *
          * @param who The IBinder whose hosting process has changed state.
          * @param state The latest state.
          */
@@ -427,16 +448,32 @@
      * <p>You will only receive state change notifications for remote binders, as local binders by
      * definition can't be frozen without you being frozen too.</p>
      *
+     * @param executor The executor on which to run the callback.
+     * @param callback The callback used to deliver state change notifications.
+     *
      * <p>@throws {@link UnsupportedOperationException} if the kernel binder driver does not support
      * this feature.
      */
     @FlaggedApi(Flags.FLAG_BINDER_FROZEN_STATE_CHANGE_CALLBACK)
-    default void addFrozenStateChangeCallback(@NonNull FrozenStateChangeCallback callback)
+    default void addFrozenStateChangeCallback(
+            @NonNull @CallbackExecutor Executor executor,
+            @NonNull FrozenStateChangeCallback callback)
             throws RemoteException {
         throw new UnsupportedOperationException();
     }
 
     /**
+     * Same as {@link #addFrozenStateChangeCallback(Executor, FrozenStateChangeCallback)} except
+     * that callbacks are invoked on a binder thread.
+     *
+     * @hide
+     */
+    default void addFrozenStateChangeCallback(@NonNull FrozenStateChangeCallback callback)
+            throws RemoteException {
+        addFrozenStateChangeCallback(Runnable::run, callback);
+    }
+
+    /**
      * Unregister a {@link FrozenStateChangeCallback}. The callback will no longer be invoked when
      * the hosting process changes its frozen state.
      */
diff --git a/core/java/android/os/RemoteCallbackList.java b/core/java/android/os/RemoteCallbackList.java
index 91c482fa..d5630fd 100644
--- a/core/java/android/os/RemoteCallbackList.java
+++ b/core/java/android/os/RemoteCallbackList.java
@@ -16,6 +16,7 @@
 
 package android.os;
 
+import android.annotation.CallbackExecutor;
 import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
@@ -29,6 +30,7 @@
 import java.lang.annotation.RetentionPolicy;
 import java.util.Queue;
 import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.Executor;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 
@@ -134,6 +136,7 @@
 
     private final @FrozenCalleePolicy int mFrozenCalleePolicy;
     private final int mMaxQueueSize;
+    private final Executor mExecutor;
 
     private final class Interface implements IBinder.DeathRecipient,
             IBinder.FrozenStateChangeCallback {
@@ -197,7 +200,7 @@
         void maybeSubscribeToFrozenCallback() throws RemoteException {
             if (mFrozenCalleePolicy != FROZEN_CALLEE_POLICY_UNSET) {
                 try {
-                    mBinder.addFrozenStateChangeCallback(this);
+                    mBinder.addFrozenStateChangeCallback(mExecutor, this);
                 } catch (UnsupportedOperationException e) {
                     // The kernel does not support frozen notifications. In this case we want to
                     // silently fall back to FROZEN_CALLEE_POLICY_UNSET. This is done by simply
@@ -237,6 +240,7 @@
         private @FrozenCalleePolicy int mFrozenCalleePolicy;
         private int mMaxQueueSize = DEFAULT_MAX_QUEUE_SIZE;
         private InterfaceDiedCallback mInterfaceDiedCallback;
+        private Executor mExecutor;
 
         /**
          * Creates a Builder for {@link RemoteCallbackList}.
@@ -285,6 +289,18 @@
         }
 
         /**
+         * Sets the executor to be used when invoking callbacks asynchronously.
+         *
+         * This is only used when callbacks need to be invoked asynchronously, e.g. when the process
+         * hosting a callback becomes unfrozen. Callbacks that can be invoked immediately run on the
+         * same thread that calls {@link #broadcast} synchronously.
+         */
+        public @NonNull Builder setExecutor(@NonNull @CallbackExecutor Executor executor) {
+            mExecutor = executor;
+            return this;
+        }
+
+        /**
          * For notifying when the process hosting a callback interface has died.
          *
          * @param <E> The remote callback interface type.
@@ -308,15 +324,21 @@
          * @return The built {@link RemoteCallbackList} object.
          */
         public @NonNull RemoteCallbackList<E> build() {
+            Executor executor = mExecutor;
+            if (executor == null && mFrozenCalleePolicy != FROZEN_CALLEE_POLICY_UNSET) {
+                // TODO Throw an exception here once the existing API caller is updated to provide
+                // an executor.
+                executor = new HandlerExecutor(Handler.getMain());
+            }
             if (mInterfaceDiedCallback != null) {
-                return new RemoteCallbackList<E>(mFrozenCalleePolicy, mMaxQueueSize) {
+                return new RemoteCallbackList<E>(mFrozenCalleePolicy, mMaxQueueSize, executor) {
                     @Override
                     public void onCallbackDied(E deadInterface, Object cookie) {
                         mInterfaceDiedCallback.onInterfaceDied(this, deadInterface, cookie);
                     }
                 };
             }
-            return new RemoteCallbackList<E>(mFrozenCalleePolicy, mMaxQueueSize);
+            return new RemoteCallbackList<E>(mFrozenCalleePolicy, mMaxQueueSize, executor);
         }
     }
 
@@ -341,13 +363,23 @@
     }
 
     /**
+     * Returns the executor used when invoking callbacks asynchronously.
+     *
+     * @return The executor.
+     */
+    @FlaggedApi(Flags.FLAG_BINDER_FROZEN_STATE_CHANGE_CALLBACK)
+    public @Nullable Executor getExecutor() {
+        return mExecutor;
+    }
+
+    /**
      * Creates a RemoteCallbackList with {@link #FROZEN_CALLEE_POLICY_UNSET}. This is equivalent to
      * <pre>
      * new RemoteCallbackList.Build(RemoteCallbackList.FROZEN_CALLEE_POLICY_UNSET).build()
      * </pre>
      */
     public RemoteCallbackList() {
-        this(FROZEN_CALLEE_POLICY_UNSET, DEFAULT_MAX_QUEUE_SIZE);
+        this(FROZEN_CALLEE_POLICY_UNSET, DEFAULT_MAX_QUEUE_SIZE, null);
     }
 
     /**
@@ -362,10 +394,14 @@
      * recipient's process is frozen. Once the limit is reached, the oldest callbacks would be
      * dropped to keep the size under limit. Ignored except for
      * {@link #FROZEN_CALLEE_POLICY_ENQUEUE_ALL}.
+     *
+     * @param executor The executor used when invoking callbacks asynchronously.
      */
-    private RemoteCallbackList(@FrozenCalleePolicy int frozenCalleePolicy, int maxQueueSize) {
+    private RemoteCallbackList(@FrozenCalleePolicy int frozenCalleePolicy, int maxQueueSize,
+            @CallbackExecutor Executor executor) {
         mFrozenCalleePolicy = frozenCalleePolicy;
         mMaxQueueSize = maxQueueSize;
+        mExecutor = executor;
     }
 
     /**
diff --git a/core/tests/coretests/BinderFrozenStateChangeCallbackTestApp/src/com/android/frameworks/coretests/bfscctestapp/BfsccTestAppCmdService.java b/core/tests/coretests/BinderFrozenStateChangeCallbackTestApp/src/com/android/frameworks/coretests/bfscctestapp/BfsccTestAppCmdService.java
index fe54aa8..945147d 100644
--- a/core/tests/coretests/BinderFrozenStateChangeCallbackTestApp/src/com/android/frameworks/coretests/bfscctestapp/BfsccTestAppCmdService.java
+++ b/core/tests/coretests/BinderFrozenStateChangeCallbackTestApp/src/com/android/frameworks/coretests/bfscctestapp/BfsccTestAppCmdService.java
@@ -18,6 +18,8 @@
 
 import android.app.Service;
 import android.content.Intent;
+import android.os.Handler;
+import android.os.HandlerExecutor;
 import android.os.IBinder;
 import android.os.RemoteException;
 
@@ -36,6 +38,7 @@
         @Override
         public void listenTo(IBinder binder) throws RemoteException {
             binder.addFrozenStateChangeCallback(
+                    new HandlerExecutor(Handler.getMain()),
                     (IBinder who, int state) -> mNotifications.offer(state));
         }
 
diff --git a/core/tests/coretests/src/android/os/BinderFrozenStateChangeNotificationTest.java b/core/tests/coretests/src/android/os/BinderFrozenStateChangeNotificationTest.java
index 195a18a..523fe1a 100644
--- a/core/tests/coretests/src/android/os/BinderFrozenStateChangeNotificationTest.java
+++ b/core/tests/coretests/src/android/os/BinderFrozenStateChangeNotificationTest.java
@@ -200,7 +200,7 @@
         IBinder.FrozenStateChangeCallback callback =
                 (IBinder who, int state) -> results.offer(who);
         try {
-            binder.addFrozenStateChangeCallback(callback);
+            binder.addFrozenStateChangeCallback(new HandlerExecutor(Handler.getMain()), callback);
         } catch (UnsupportedOperationException e) {
             return;
         }
@@ -227,7 +227,7 @@
             final IBinder.FrozenStateChangeCallback callback =
                     (IBinder who, int state) ->
                             queue.offer(state == IBinder.FrozenStateChangeCallback.STATE_FROZEN);
-            binder.addFrozenStateChangeCallback(callback);
+            binder.addFrozenStateChangeCallback(new HandlerExecutor(Handler.getMain()), callback);
             return callback;
         } catch (UnsupportedOperationException e) {
             return null;
diff --git a/core/tests/coretests/src/com/android/internal/os/BinderDeathDispatcherTest.java b/core/tests/coretests/src/com/android/internal/os/BinderDeathDispatcherTest.java
index d007067..f888c9b 100644
--- a/core/tests/coretests/src/com/android/internal/os/BinderDeathDispatcherTest.java
+++ b/core/tests/coretests/src/com/android/internal/os/BinderDeathDispatcherTest.java
@@ -42,6 +42,7 @@
 import org.junit.runner.RunWith;
 
 import java.io.FileDescriptor;
+import java.util.concurrent.Executor;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
@@ -125,7 +126,7 @@
         }
 
         @Override
-        public void addFrozenStateChangeCallback(FrozenStateChangeCallback callback)
+        public void addFrozenStateChangeCallback(Executor e, FrozenStateChangeCallback callback)
                 throws RemoteException {
         }
 
diff --git a/ravenwood/TEST_MAPPING b/ravenwood/TEST_MAPPING
index 607592b..cb54e9f 100644
--- a/ravenwood/TEST_MAPPING
+++ b/ravenwood/TEST_MAPPING
@@ -113,10 +113,6 @@
       "host": true
     },
     {
-      "name": "FrameworksMockingServicesTestsRavenwood",
-      "host": true
-    },
-    {
       "name": "FrameworksServicesTestsRavenwood_Compat",
       "host": true
     },
diff --git a/ravenwood/tests/bivalentinst/test/com/android/ravenwoodtest/bivalentinst/RavenwoodInstrumentationTest_nonself.java b/ravenwood/tests/bivalentinst/test/com/android/ravenwoodtest/bivalentinst/RavenwoodInstrumentationTest_nonself.java
index ed1992c..77874bd 100644
--- a/ravenwood/tests/bivalentinst/test/com/android/ravenwoodtest/bivalentinst/RavenwoodInstrumentationTest_nonself.java
+++ b/ravenwood/tests/bivalentinst/test/com/android/ravenwoodtest/bivalentinst/RavenwoodInstrumentationTest_nonself.java
@@ -19,7 +19,6 @@
 
 import android.app.Instrumentation;
 import android.content.Context;
-import android.platform.test.annotations.DisabledOnRavenwood;
 import android.platform.test.ravenwood.RavenwoodConfig;
 import android.platform.test.ravenwood.RavenwoodConfig.Config;
 
@@ -34,7 +33,7 @@
  * Tests for the case where the instrumentation target is _not_ the test APK itself.
  */
 @RunWith(AndroidJUnit4.class)
-@DisabledOnRavenwood(reason="AOSP is missing resources support")
+@android.platform.test.annotations.DisabledOnRavenwood(reason = "AOSP is missing resources support")
 public class RavenwoodInstrumentationTest_nonself {
     private static final String TARGET_PACKAGE_NAME =
             "com.android.ravenwood.bivalentinst_target_app";
diff --git a/ravenwood/tests/bivalentinst/test/com/android/ravenwoodtest/bivalentinst/RavenwoodInstrumentationTest_self.java b/ravenwood/tests/bivalentinst/test/com/android/ravenwoodtest/bivalentinst/RavenwoodInstrumentationTest_self.java
index b5bafc4..203923b 100644
--- a/ravenwood/tests/bivalentinst/test/com/android/ravenwoodtest/bivalentinst/RavenwoodInstrumentationTest_self.java
+++ b/ravenwood/tests/bivalentinst/test/com/android/ravenwoodtest/bivalentinst/RavenwoodInstrumentationTest_self.java
@@ -19,7 +19,6 @@
 
 import android.app.Instrumentation;
 import android.content.Context;
-import android.platform.test.annotations.DisabledOnRavenwood;
 import android.platform.test.ravenwood.RavenwoodConfig;
 import android.platform.test.ravenwood.RavenwoodConfig.Config;
 
@@ -34,7 +33,7 @@
  * Tests for the case where the instrumentation target is the test APK itself.
  */
 @RunWith(AndroidJUnit4.class)
-@DisabledOnRavenwood(reason="AOSP is missing resources support")
+@android.platform.test.annotations.DisabledOnRavenwood(reason = "AOSP is missing resources support")
 public class RavenwoodInstrumentationTest_self {
 
     private static final String TARGET_PACKAGE_NAME =
diff --git a/ravenwood/tests/services-test/test/com/android/ravenwoodtest/servicestest/RavenwoodServicesTest.java b/ravenwood/tests/services-test/test/com/android/ravenwoodtest/servicestest/RavenwoodServicesTest.java
index 52bf92e..eeb7110 100644
--- a/ravenwood/tests/services-test/test/com/android/ravenwoodtest/servicestest/RavenwoodServicesTest.java
+++ b/ravenwood/tests/services-test/test/com/android/ravenwoodtest/servicestest/RavenwoodServicesTest.java
@@ -24,7 +24,6 @@
 import android.content.Context;
 import android.hardware.SerialManager;
 import android.hardware.SerialManagerInternal;
-import android.platform.test.annotations.DisabledOnRavenwood;
 import android.platform.test.ravenwood.RavenwoodConfig;
 import android.platform.test.ravenwood.RavenwoodConfig.Config;
 
@@ -70,7 +69,8 @@
     }
 
     @Test
-    @DisabledOnRavenwood(reason="AOSP is missing resources support")
+    @android.platform.test.annotations.DisabledOnRavenwood(
+            reason = "AOSP is missing resources support")
     public void testSimple() {
         // Verify that we can obtain a manager, and talk to the backend service, and that no
         // serial ports are configured by default
diff --git a/services/core/java/com/android/server/biometrics/BiometricService.java b/services/core/java/com/android/server/biometrics/BiometricService.java
index 0e81eb9..c31a4fb 100644
--- a/services/core/java/com/android/server/biometrics/BiometricService.java
+++ b/services/core/java/com/android/server/biometrics/BiometricService.java
@@ -95,6 +95,7 @@
 import java.util.Random;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.function.Supplier;
 
 /**
@@ -126,7 +127,7 @@
     IGateKeeperService mGateKeeper;
 
     // Get and cache the available biometric authenticators and their associated info.
-    final ArrayList<BiometricSensor> mSensors = new ArrayList<>();
+    final CopyOnWriteArrayList<BiometricSensor> mSensors = new CopyOnWriteArrayList<>();
 
     @VisibleForTesting
     BiometricStrengthController mBiometricStrengthController;
@@ -150,13 +151,13 @@
         @NonNull private final Set<Integer> mSensorsPendingInvalidation;
 
         public static InvalidationTracker start(@NonNull Context context,
-                @NonNull ArrayList<BiometricSensor> sensors,
-                int userId, int fromSensorId, @NonNull IInvalidationCallback clientCallback) {
+                @NonNull List<BiometricSensor> sensors, int userId,
+                int fromSensorId, @NonNull IInvalidationCallback clientCallback) {
             return new InvalidationTracker(context, sensors, userId, fromSensorId, clientCallback);
         }
 
         private InvalidationTracker(@NonNull Context context,
-                @NonNull ArrayList<BiometricSensor> sensors, int userId,
+                @NonNull List<BiometricSensor> sensors, int userId,
                 int fromSensorId, @NonNull IInvalidationCallback clientCallback) {
             mClientCallback = clientCallback;
             mSensorsPendingInvalidation = new ArraySet<>();
@@ -692,7 +693,7 @@
 
         @android.annotation.EnforcePermission(android.Manifest.permission.USE_BIOMETRIC_INTERNAL)
         @Override
-        public synchronized void registerAuthenticator(int id, int modality,
+        public void registerAuthenticator(int id, int modality,
                 @Authenticators.Types int strength,
                 @NonNull IBiometricAuthenticator authenticator) {
 
diff --git a/services/profcollect/src/com/android/server/profcollect/ProfcollectForwardingService.java b/services/profcollect/src/com/android/server/profcollect/ProfcollectForwardingService.java
index 4e86888..e307e52 100644
--- a/services/profcollect/src/com/android/server/profcollect/ProfcollectForwardingService.java
+++ b/services/profcollect/src/com/android/server/profcollect/ProfcollectForwardingService.java
@@ -144,6 +144,10 @@
     public void onBootPhase(int phase) {
         if (phase == PHASE_SYSTEM_SERVICES_READY) {
             UsbManager usbManager = getContext().getSystemService(UsbManager.class);
+            if (usbManager == null) {
+                mAdbActive = false;
+                return;
+            }
             mAdbActive = ((usbManager.getCurrentFunctions() & UsbManager.FUNCTION_ADB) == 1);
             Log.d(LOG_TAG, "ADB is " + mAdbActive + " on system startup");
         }
diff --git a/services/tests/apexsystemservices/services/Android.bp b/services/tests/apexsystemservices/services/Android.bp
index 477ea4c..70d84dc 100644
--- a/services/tests/apexsystemservices/services/Android.bp
+++ b/services/tests/apexsystemservices/services/Android.bp
@@ -17,4 +17,5 @@
     ],
     visibility: ["//frameworks/base/services/tests/apexsystemservices:__subpackages__"],
     apex_available: ["//apex_available:anyapex"],
+    compile_dex: true,
 }