Merge "Separate ShutdownUi for SysUiGoogle." into udc-d1-dev am: 54f0ca68b3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Car/SystemUI/+/23107192

Change-Id: Ic57c1aec44bd8d729bd32fe9fb1d5532eb4cff4b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>