MtpService always expects a start intent.

Return START_REDELIVER_INTENT to make sure we always get the intent
if we're ever killed and restarted.

Bug: 22349167
Change-Id: I696284b8d55a8c8d1fb2362cd769981ae0d45366
diff --git a/src/com/android/providers/media/MtpService.java b/src/com/android/providers/media/MtpService.java
index 2fef7ec..b226f4b 100644
--- a/src/com/android/providers/media/MtpService.java
+++ b/src/com/android/providers/media/MtpService.java
@@ -137,7 +137,7 @@
             manageServiceLocked();
         }
 
-        return START_STICKY;
+        return START_REDELIVER_INTENT;
     }
 
     private void updateDisabledStateLocked() {