Merge "Sort running task by focus and visibility" into stage-aosp-master am: 66457f5e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20349412



Change-Id: I90f8e67795664300cf3e5ae67a8c449e83a609a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>