Merge "Complete Reference RCU keylayout with all buttions" into tm-dev am: db2310a2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17803125



Change-Id: Idde2139a217c9ca13704532c0421b9b766b80164
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>