Merge "Removes left/right buttons from bottom area." into tm-qpr-dev am: 2d6505a6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19053512



Change-Id: I39f4c5205f0facb141099a04cbd2033b91740df3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>