Rollback chooser menu to version Q behavior for accessibility button (1/n).

1. Replace ACCESSIBILITY_BUTTON_TARGET_COMPONENT key with
ACCESSIBILITY_BUTTON_TARGETS key.
2. Rollback to version Q widgets.

Bug: 151294664
Test: manual test
Change-Id: Ibaa3b058418476e58291bfb95a1935dbf5c70e25
8 files changed