Merge changes from topic "displayAreaOrganizer_migration"

* changes:
  The one handed UX of auto-stop one handed by conditions (10/N)
  TouchHandler to handle touch events inside & outside displayArea (9/N)
  Implement Timer for one handed to handle auto-exit (8/N)
  Implement DisplayArea Animation/Transition for one handed (7/N)
  Register DisplayAreaOrganizer for one handed (6/N)
  Create OneHandedSettingsUtil handle settings configs (5/N)
  Sysui-infra for one handed mode (1/N)