Merge "StageCoordinator shouldn't support CompatUI" into udc-qpr-dev am: 93dddb4a75

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24658429

Change-Id: I1cc624d37c465e8bab758a8f8cb16052e3847975
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>