Formalize recents component in the system

- Add resource for recents component which can be overridden in an overlay
- Allow the static recents component access to APIs which would otherwise
  require privileged permissions
- Remove some unused TV recents code

Bug: 67864419
Test: com.android.server.am.RecentTasksTest
Test: #testNotRecentsComponent_denyApiAccess
Test: #testRecentsComponent_allowApiAccessWithoutPermissions

Change-Id: Ia4939b7d443a6058ab4bb41d8c194eb4611cbf80