Merge "Let navigation bar has control if it is focused" into udc-dev am: 1dd10069 am: 2e0f0512

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21736590



Change-Id: I85ef47e35497563c6b38ba133ca8c8db3fe9f982
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>