Merge "Set letterbox verticalPositionMultiplier to 0" into tm-qpr-dev am: dee5e5cf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19888927



Change-Id: Id84fecd6a9ba6eb5373638ce04ccda0f8a1a52ee
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>