Merge "Add docs for ASurfaceControl default behavior" into udc-dev am:...

Merge "Add docs for ASurfaceControl default behavior" into udc-dev am: 85bffd53 am: 0f4b3ed6 am: f5d57377

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/22871136



Change-Id: Ib3834ae6b3f6d27132f6b6396c39382b6ee49b36
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>