Finish recents animation synchronously on cancel event am: 2316dc4750 am: e136b6a641

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24755062

Change-Id: I95fbc8c18584fe304696be81c75677d3e388ac5b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>