Use higher priority thread for BiometricDeferredQueue

Flag: N/A
Test: N/A
Bug: 333146565
Ignore-AOSP-first: The dependency on BiometricHandlerProvider does not exist in AOSP as of yet

Change-Id: I3c0661c4be5c823bd6fd8a1a88e1c97e0fed458e

2 files changed, 6 insertions, 3 deletions

diff --git a/services/core/java/com/android/server/locksettings/BiometricDeferredQueue.java b/services/core/java/com/android/server/locksettings/BiometricDeferredQueue.java
index f572845dc214..966be5318973 100644
--- a/services/core/java/com/android/server/locksettings/BiometricDeferredQueue.java
+++ b/services/core/java/com/android/server/locksettings/BiometricDeferredQueue.java
@@ -32,6 +32,7 @@ import android.util.ArraySet;
 import android.util.Slog;
 
 import com.android.internal.widget.VerifyCredentialResponse;
+import com.android.server.biometrics.BiometricHandlerProvider;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -132,9 +133,11 @@ public class BiometricDeferredQueue {
         mFaceResetLockoutTask = null;
     };
 
-    BiometricDeferredQueue(@NonNull SyntheticPasswordManager spManager, @NonNull Handler handler) {
+    BiometricDeferredQueue(@NonNull SyntheticPasswordManager spManager) {
         mSpManager = spManager;
-        mHandler = handler;
+
+        //Using a higher priority thread to avoid any delays and interruption of clients
+        mHandler = BiometricHandlerProvider.getInstance().getBiometricCallbackHandler();
         mPendingResetLockoutsForFingerprint = new ArrayList<>();
         mPendingResetLockoutsForFace = new ArrayList<>();
         mPendingResetLockouts = new ArrayList<>();
diff --git a/services/core/java/com/android/server/locksettings/LockSettingsService.java b/services/core/java/com/android/server/locksettings/LockSettingsService.java
index b3ab229927fe..cf92ec7c905d 100644
--- a/services/core/java/com/android/server/locksettings/LockSettingsService.java
+++ b/services/core/java/com/android/server/locksettings/LockSettingsService.java
@@ -687,7 +687,7 @@ public class LockSettingsService extends ILockSettings.Stub {
 
         mSpManager = injector.getSyntheticPasswordManager(mStorage);
         mUnifiedProfilePasswordCache = injector.getUnifiedProfilePasswordCache(mKeyStore);
-        mBiometricDeferredQueue = new BiometricDeferredQueue(mSpManager, mHandler);
+        mBiometricDeferredQueue = new BiometricDeferredQueue(mSpManager);
 
         mRebootEscrowManager = injector.getRebootEscrowManager(new RebootEscrowCallbacks(),
                 mStorage);