Merge "Finish recents animation on activity destroyed." into tm-dev am: d44f9c9741 am: ec39c9ba3c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17943734

Change-Id: I0c0c27ec56792a60a1240a075236b737c97713c0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>