Add a way to bubble shortcuts not from notifications

- Bubble creation method via shortcut info
- Method on BubbleController to add a shortcut bubble, exposed this
  to launcher
- Separate path to create a shortcut in BubbleExpandedView
- Hide badges for app intent bubbles

Flag: com.android.wm.shell.enable_bubble_anything
Bug: 342245211
Test: manual - enable the flag and try to bubble a shortcut from
               launcher via the longpress menu
             - try to bubble an app via the longpress menu
Change-Id: I79a1a2d6f215dddb878993e3703c9b22329685ed