Update FLAG_BUBBLE in BubblesManager#onUserChangedBubble

Bug: 191606745
Test: atest SystemUITests
Change-Id: Icc6c9b534b556cf45e7c23e9392a2a3a0c24942a

packages/SystemUI/src/com/android/systemui/wmshell/BubblesManager.java

@@ -749,6 +749,8 @@ public class BubblesManager implements Dumpable {
             return;
         }
 
+        entry.setFlagBubble(shouldBubble);
+
         // Update the state in NotificationManagerService
         try {
             int flags = Notification.BubbleMetadata.FLAG_SUPPRESS_NOTIFICATION;