Merge "Bottom area buttons are LaunchableView" into tm-qpr-dev am: 0aeadb78d0 am: 8394622a76

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20153484

Change-Id: I3fb1815bb2d01ceb1b8939c597e15efd9386d0ef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>