Merge "Make MediaStyle#setRemotePlayback public" into udc-dev am: 506535c339 am: 9dae55eb96

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22105404

Change-Id: I8b0ce72a12e2b00022f074eb06c249b53cf1f503
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>