Fix autobundling.

Test: manual
Change-Id: I9071b3e52172d152a4ccd685f4fd41944d2e40c9
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index ded8a1b..96b5f20 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -2568,6 +2568,9 @@
             }
         }
         if (summaryRecord != null) {
+            synchronized (mEnqueuedNotifications) {
+                mEnqueuedNotifications.add(summaryRecord);
+            }
             mHandler.post(new EnqueueNotificationRunnable(userId, summaryRecord));
         }
     }