DEFAULT_VIBRATE must always use the default vibe pattern

The logic here was backwards, causing the (softer) fallback vibe
pattern to be applied if the notification specified a sound
(or DEFAULT_SOUND) and also DEFAULT_VIBRATE. The fallback
vibe should only play if you have *no* vibration set.

Bug: 7588655
Change-Id: Iecdd362729bccedf779b51cc9b90a12014328aff

Author: dsandler

services/java/com/android/server/NotificationManagerService.java

@@ -1128,13 +1128,13 @@ public void enqueueNotificationInternal(String pkg, int callingUid, int callingP
                 final boolean hasCustomVibrate = notification.vibrate != null;
 
                 // new in 4.2: if there was supposed to be a sound and we're in vibrate mode,
-                // and no other vibration is specified, we apply the default vibration anyway
+                // and no other vibration is specified, we fall back to vibration
                 final boolean convertSoundToVibration =
                            !hasCustomVibrate
                         && hasValidSound
                         && (audioManager.getRingerMode() == AudioManager.RINGER_MODE_VIBRATE);
 
-                // The DEFAULT_VIBRATE flag trumps any custom vibration.
+                // The DEFAULT_VIBRATE flag trumps any custom vibration AND the fallback.
                 final boolean useDefaultVibrate =
                         (notification.defaults & Notification.DEFAULT_VIBRATE) != 0;
 
@@ -1147,8 +1147,8 @@ public void enqueueNotificationInternal(String pkg, int callingUid, int callingP
                         // does not have the VIBRATE permission.
                         long identity = Binder.clearCallingIdentity();
                         try {
-                            mVibrator.vibrate(convertSoundToVibration ? mFallbackVibrationPattern
-                                                                      : mDefaultVibrationPattern,
+                            mVibrator.vibrate(useDefaultVibrate ? mDefaultVibrationPattern
+                                                                : mFallbackVibrationPattern,
                                 ((notification.flags & Notification.FLAG_INSISTENT) != 0) ? 0: -1);
                         } finally {
                             Binder.restoreCallingIdentity(identity);