am 1108a2cb: Added a makeInvisible call to Face Unlock

* commit '1108a2cb412b054cc9e4acc48182c46c45180c0c':
  Added a makeInvisible call to Face Unlock

core/java/com/android/internal/policy/IFaceLockInterface.aidl

@@ -23,6 +23,7 @@ interface IFaceLockInterface {
     void startUi(IBinder containingWindowToken, int x, int y, int width, int height,
             boolean useLiveliness);
     void stopUi();
+    void makeInvisible();
     void registerCallback(IFaceLockCallback cb);
     void unregisterCallback(IFaceLockCallback cb);
 }

policy/src/com/android/internal/policy/impl/keyguard/FaceUnlock.java

@@ -151,6 +151,14 @@ public class FaceUnlock implements BiometricSensorUnlock, Handler.Callback {
         }
 
         boolean mWasRunning = mIsRunning;
+        try {
+            if (mService != null) {
+                mService.makeInvisible();
+            }
+        } catch (RemoteException e) {
+            Log.e(TAG, "Caught exception making Face Unlock invisible: " + e.toString());
+        }
+
         stopUi();
 
         if (mBoundToService) {

policy/src/com/android/internal/policy/impl/keyguard/KeyguardFaceUnlockView.java

@@ -85,7 +85,7 @@ public class KeyguardFaceUnlockView extends LinearLayout implements KeyguardSecu
     public void onPause() {
         if (DEBUG) Log.d(TAG, "onPause()");
         if (mBiometricUnlock != null) {
-            mBiometricUnlock.stopAndShowBackup();
+            mBiometricUnlock.stop();
         }
         KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mUpdateCallback);
     }