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

Merge "Revert "Add elevation to dream home controls button."" into udc-dev am: 37b8ca63 am: 07d71516 am: 289e691a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23089776



Change-Id: I7c1327a453058d77b65344e76f11575a7e0e9509
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>