Merge "Check and `speed` compile System UI on boot." into tm-dev am: 59eb7543 am: 49257fa6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17907956



Change-Id: I8161c502d832115e968c54b1cc193c84633cefc8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>