Merge "Draw background color above display area..." into udc-dev am: c7e6a782

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23485282



Change-Id: I3bc60ad9a7913e8cc19d2a5809bd1c48fb26e986
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>