Revert "Finish recents animation for standalone recents on home"

Revert submission 24941288-b302703228

Reason for revert: Most likely cause of droidmonitored test failures. b/305629625. Original change was merged at this point https://screenshot.googleplex.com/99p3F266XUYYbA2 causing a 100% failure on main.

Reverted changes: /q/submissionid:24941288-b302703228

Bug: 305629625

Change-Id: Id27c68ec70410d16aeae3bde8b361d9b347ec7eb