Merge "Add elevation to dream home controls button." into udc-dev am:...

Merge "Add elevation to dream home controls button." into udc-dev am: 22490466 am: 7cab53bf am: 65a26fb5 am: 594f1896

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23003559



Change-Id: I65f60a37662c5431d4f0e7e99743d3f80d0d7dc7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>