App ops: track system windows, monitoring changes.

Change-Id: I273e82bdad66ada3bf0f7ec9176bc304b9ee1ee8
diff --git a/services/java/com/android/server/VibratorService.java b/services/java/com/android/server/VibratorService.java
index 9065525..21d3111 100644
--- a/services/java/com/android/server/VibratorService.java
+++ b/services/java/com/android/server/VibratorService.java
@@ -466,7 +466,7 @@
         //synchronized (mInputDeviceVibrators) {
         //    return !mInputDeviceVibrators.isEmpty() || vibratorExists();
         //}
-        return true || vibratorExists();
+        return vibratorExists();
     }
 
     private void doVibratorOn(long millis, int uid) {