Merge "Camera: Improve session parameter documentation" into udc-dev am:...

Merge "Camera: Improve session parameter documentation" into udc-dev am: 5a2fc5fa am: 47027768 am: ddf4e069 am: c6325d3f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24622278



Change-Id: Ic33bf28f9026d92643cd4658b77f52e901b89154
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>