Merge "Introduce config to use display aspect ratio for letterbox" into...

Merge "Introduce config to use display aspect ratio for letterbox" into tm-qpr-dev am: e32cf9e7 am: 9353ce7a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20943145



Change-Id: I5ce3db0d030bd1a5693407762f9c066ca58f7459
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>