Merge "Update mandatory concurrent stream docs to specify support for lower resolutions." into rvc-dev am: 83578eaa95 am: 8d514c97e4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12230970

Change-Id: Ic36c15cc74651f8c5b55d1ce57f79ec3baa6126f