am 6fe7883f: am 4846c62a: am 24cf8349: am ac9fbe9d: Merge "Do not vibrate if we don\'t have a fingerprint client" into mnc-dr-dev

* commit '6fe7883f0b164352fb9976d8597e7d0e7b0fe152':
  Do not vibrate if we don't have a fingerprint client
diff --git a/services/core/java/com/android/server/fingerprint/FingerprintService.java b/services/core/java/com/android/server/fingerprint/FingerprintService.java
index 2c9d82b..ffad69d 100644
--- a/services/core/java/com/android/server/fingerprint/FingerprintService.java
+++ b/services/core/java/com/android/server/fingerprint/FingerprintService.java
@@ -589,10 +589,14 @@
                 result = true; // client not listening
 	    }
 	    if (fpId == 0) {
-                FingerprintUtils.vibrateFingerprintError(getContext());
+                if (receiver != null) {
+                    FingerprintUtils.vibrateFingerprintError(getContext());
+                }
                 result |= handleFailedAttempt(this);
             } else {
-                FingerprintUtils.vibrateFingerprintSuccess(getContext());
+                if (receiver != null) {
+                    FingerprintUtils.vibrateFingerprintSuccess(getContext());
+                }
                 result |= true; // we have a valid fingerprint
                 mLockoutReset.run();
             }