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

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



Change-Id: I5603898f8a31a688129946adafb89190d86ae440
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>