Merge "End recents animation when entering split select" into sc-v2-dev am: 6c71f688b2 am: 8ba8a71ca4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15321610

Change-Id: I7b59026e12f0c26d9fdd5a415e5103e809d2f1dd