Moved logic that adjusts the hotseat position from the constructor of
the NavbarButtonsViewController to onTaskbarLayoutChange() method that
is called from the TaskbarViewController TaskbarView layout change
listener.
Test: Manual:
Moved the bubble bar to the default right position. Rebooted the device.
Navigation bar was placed on the left side of the screen.
Flag: com.android.wm.shell.enable_bubble_bar_in_persistent_task_bar
Bug: 367829539
Change-Id: Ife0c48a72b318d6051b7b09bde13818546e65d98