Merge "Ensure that we're animating the current live tasks when going back"...

Merge "Ensure that we're animating the current live tasks when going back" into tm-dev am: 3e6cd999 am: 1b7350f2 am: e1f5bb74 am: f7783828

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18461390



Change-Id: I52fcce3d8f2894e8ca543d517e0243431722818e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>