Merge "Stop FaceUnlock when detached from window fixes b/7222226" into jb-mr1-dev

Author: Steven Ross

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

@@ -68,6 +68,14 @@ public void reset() {
 
     }
 
+    @Override
+    public void onDetachedFromWindow() {
+        if (mBiometricUnlock != null) {
+            mBiometricUnlock.hide();
+            mBiometricUnlock.stop();
+        }
+    }
+
     @Override
     public void onPause() {
         if (mBiometricUnlock != null) {