Merge "Update docs for...

Merge "Update docs for PROPERTY_COMPAT_ALLOW_USER_ASPECT_RATIO_FULLSCREEN_OVERRIDE" into udc-qpr-dev am: ed5b3bdc am: 9de2b4ed

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24404414



Change-Id: I2342aa828bd33401ff00794c28f2d8479dd16897
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>