Hide the manage menu when switching to overflow

Test: manual - open a bubble, tap the 'manage' button
             - tap the overflow
             => observe that the manage menu is hidden smoothly &
                then the overflow is shown
Fixes: 185263101
Change-Id: I1703db6c5eacdec6eaab7bdebac9a910cd0ccfa9

libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/BubbleStackView.java

@@ -1598,6 +1598,7 @@ public class BubbleStackView extends FrameLayout
             // can start fresh.
             cancelAllExpandCollapseSwitchAnimations();
         }
+        showManageMenu(false /* show */);
 
         // If we're expanded, screenshot the currently expanded bubble (before expanding the newly
         // selected bubble) so we can animate it out.