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

* commit 'b7444b1d60b72f17e9627b3fe0d0af1a980e4d97':
  CameraNDK: fill in more NDK API documents

Change-Id: Ie775b8cefc79b6c2c76ca90d9ba4e2948eb6d069