Merge "Moving all hierarchy chain to top when adjust focusable task." into...

Merge "Moving all hierarchy chain to top when adjust focusable task." into rvc-dev am: 17efbc62 am: 5f91b992

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11680555

Change-Id: Ib40aa0ef9b5f104ee8c8553e886ebe96fc61183c