Merge "Fix flicker of QS footer actions when restarting SystemUI (1/2)" into...

Merge "Fix flicker of QS footer actions when restarting SystemUI (1/2)" into udc-dev am: 5818342a am: 788cea30 am: 155f4d80

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



Change-Id: If4e3ab15f19113415db599668b21c52580c4e426
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>