Return full bubble bar bounds on display when expanded

Bubble bar can be positioned left or right of the screen. That controls
where the expanded view animation is triggered from.
Update API between launcher and wmshell to include bubble bar bounds in
display coordinates instead of offset values.

Flag: LEGACY persist.wm.debug.bubble_bar DEVELOPMENT
Bug: 273310265
Test: atest SystemUITests:BubblesTest
Test: repeat with LTR and RTL system languages:
  - have some bubbles, open an app, expand the bubbles by swiping up
    from bubble bar handle
  - have some bubbles, open an app, expand bubble bar by swiping up on
    navbar handle, tap on bubble bar to expand bubbles
  - have some bubbles, be on home screen, tap on bubble bar to expand a
    bubble
Change-Id: I485220f6a11009f033eb2461cd6a9ac09aa7e5e2