Merge "DO NOT MERGE Rename BackEvent to BackMotionEvent in...

Merge "DO NOT MERGE Rename BackEvent to BackMotionEvent in LauncherBackAnimationController." into tm-qpr-dev am: f43527d5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20841553



Change-Id: I3b8ef82263136252e2eb1182ee4b112c92c5398e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>