Merge "Fix flicker of QS footer actions when restarting SystemUI (1/2)" into udc-dev am: 5818342a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22745901



Change-Id: I994844424907f3298f01ff0d7ee4b205592defa5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>