Add the Manage menu!

Now you can dismiss, un-bubble :(, or manage the settings of your bubbles.

Test: manual
Bug: 143173197
Change-Id: I4c90bdab3f3f61646153ce615fa257bc64ed8a17
diff --git a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java
index c6883c8..e488cf2 100644
--- a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java
+++ b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java
@@ -605,6 +605,9 @@
             if (mExpandListener != null) {
                 mStackView.setExpandListener(mExpandListener);
             }
+
+            mStackView.setUnbubbleConversationCallback(notificationEntry ->
+                    onUserChangedBubble(notificationEntry, false /* shouldBubble */));
         }
     }