Merge "CameraNDK: fill in more NDK API documents" into nyc-dev am: b7444b1d60
am: 40687b3ab4

* commit '40687b3ab422020d1fd1e7acf4042590d649c385':
  CameraNDK: fill in more NDK API documents

Change-Id: I59ff1a94bb7a5e21140a675e89e84a65bf85238a