Merge "Fully null check mRecentsAnimationController" into sc-dev am: d61f224570 am: 2067c978a2

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15147296

Change-Id: I5fcb8b8f7d33867c1f059a05a073aed55ca00c1a