Refresh screenlock UI after password verification failed

Bug: 28314264
Change-Id: Ibd715d70bbee728a887f779a24bb99ad32d8d2ed

src/com/android/settings/ConfirmDeviceCredentialBaseFragment.java

@@ -142,8 +142,16 @@ public abstract class ConfirmDeviceCredentialBaseFragment extends OptionsMenuFra
     @Override
     public void onResume() {
         super.onResume();
+        refreshLockScreen();
+    }
+
+    protected void refreshLockScreen() {
         if (mAllowFpAuthentication) {
             mFingerprintHelper.startListening();
+        } else {
+            if (mFingerprintHelper.isListening()) {
+                mFingerprintHelper.stopListening();
+            }
         }
         if (isProfileChallenge()) {
             updateErrorMessage(mLockPatternUtils.getCurrentFailedPasswordAttempts(
@@ -168,7 +176,7 @@ public abstract class ConfirmDeviceCredentialBaseFragment extends OptionsMenuFra
     @Override
     public void onPause() {
         super.onPause();
-        if (mAllowFpAuthentication) {
+        if (mFingerprintHelper.isListening()) {
             mFingerprintHelper.stopListening();
         }
     }

src/com/android/settings/ConfirmLockPattern.java

@@ -498,6 +498,7 @@ public class ConfirmLockPattern extends ConfirmDeviceCredentialBaseActivity {
                 checkForPendingIntent();
             } else {
                 if (timeoutMs > 0) {
+                    refreshLockScreen();
                     long deadline = mLockPatternUtils.setLockoutAttemptDeadline(
                             effectiveUserId, timeoutMs);
                     handleAttemptLockout(deadline);

src/com/android/settings/fingerprint/FingerprintUiHelper.java

@@ -67,7 +67,7 @@ public class FingerprintUiHelper extends FingerprintManager.AuthenticationCallba
         }
     }
 
-    private boolean isListening() {
+    public boolean isListening() {
         return mCancellationSignal != null && !mCancellationSignal.isCanceled();
     }