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

Merge "Camera: Improve session parameter documentation" into udc-dev am: 5a2fc5fa am: c687c100 am: c97a8188 am: 5b2e8704

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



Change-Id: I0eac61ee0dca5c6a5aedb69d972d1c01212e9014
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>