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: Iaa9a4a41057771af5e2a0d60d08319821e67fb19
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>