Migrate Bubbles to wm-shell (4/n)

Move BubbleController sysui dependent code to new class
BubblesManager and remove using of Dependency of Bubbles.

TODO: Tests still need to be remain on sysui, find suitable
      method to test both classes independently.

Bug: 161980186
Test: atest SystemUITests
Change-Id: I7be1dfb81f7ddfb5fc20b180fc5affb7a1d8e93c