Make sure fingerprint error messages are handled in Keyguard

Change-Id: I332c08c5e94cf58a2d3f696860511c1a84fecda5
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
index 842cf73..d13d71c 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -550,7 +550,7 @@
 
         @Override
         public void onAuthenticationError(int errMsgId, CharSequence errString) {
-            mHandler.obtainMessage(MSG_FINGERPRINT_ERROR, errMsgId, 0, errString);
+            mHandler.obtainMessage(MSG_FINGERPRINT_ERROR, errMsgId, 0, errString).sendToTarget();
         }
     };
     private CancellationSignal mFingerprintCancelSignal;