Revert "Swipe-up Recents transition: override desktop tasks corn..."

Revert submission 30844330-recents_swipeup_cornerradius

Reason for revert: b/388979758

Reverted changes: /q/submissionid:30844330-recents_swipeup_cornerradius
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:e4ec56d65d2b3ded3ebec623866ddf91658fdd0b)
Merged-In: I93e8affa334533818f20c43e0403e223760a59cf
Change-Id: I93e8affa334533818f20c43e0403e223760a59cf