Dismiss MTP notification on device disconnect

Bug: 8158516
Change-Id: I7d7fd78b5fb9dc199e9ecdd78440e0f8147fe58d
diff --git a/src/com/android/gallery3d/ingest/IngestService.java b/src/com/android/gallery3d/ingest/IngestService.java
index 28d7211..05cc6f9 100644
--- a/src/com/android/gallery3d/ingest/IngestService.java
+++ b/src/com/android/gallery3d/ingest/IngestService.java
@@ -196,6 +196,7 @@
         if (device == mDevice) {
             setDevice(null);
             mNeedRelaunchNotification = false;
+            mNotificationManager.cancel(NotificationIds.INGEST_NOTIFICATION_SCANNING);
         }
     }