7/ Remove legacy recents animation controller no-op calls

- Update the callers to not call no-op calls which were only used
  in the non-shell transition recents path (onSwitchToScreenshot was
  never called following the migration to shell-transition based
  recents transition)

Flag: EXEMPT bugfix
Bug: 359608026
Test: atest NexusLauncherTests
Change-Id: I396b3ec42a86fbeef1d8854b3ed98be14d47e2b3