Close the multi instance menu when other things open

This change ensures that if open, the Taskbar multi instance menu will close when
another long press app menu is launched, when a folder is opened, or
when Taskbar all apps is opened.

Fix: 383510315
Test: Open Taskbar multi instance menu and ensure it closes when other
views are opening (Taskbar all apps, a folder, and app long press menu)
Flag: com.android.launcher3.enable_multi_instance_menu_taskbar

Change-Id: Id2d64c86a76978af8db56d3a083dc79a677a1a5d