Finish recents animation synchronously on cancel event am: 2316dc4750

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

Change-Id: Ib8bd21048402db34caf681802599517b4a37cb94
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>