[automerge] Prevent lingering divider animators in AbsSwipeUpHandler 2p: 7faaffa56a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16693066

Bug: 213403679
Change-Id: I628b14fb01461a103dd0cdd7168835197a28f1c5
Merged-In: I078a7d0f22c2ef2ba847796ec79e740c789ce1ae