Don't bridge autobundle summaries to other devices.

Change-Id: I2d0df16b2fbd32569e564399696c86e499910ddb
Fixes: 29114754
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index 1206263..ec77daf 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -2286,6 +2286,7 @@
                                         .setFlag(Notification.FLAG_AUTOGROUP_SUMMARY, true)
                                         .setFlag(Notification.FLAG_GROUP_SUMMARY, true)
                                         .setColor(adjustedSbn.getNotification().color)
+                                        .setLocalOnly(true)
                                         .build();
                         summaryNotification.extras.putAll(extras);
                         Intent appIntent = getContext().getPackageManager()