Merge "Camera: Fix docs for mandatory stream combinations" into udc-dev am: 91973000

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24640918



Change-Id: I3e365138f2a55c16e98c61b525976cbe20d557cb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>