Merge commit '9df140851375a977ad99390d71edf8b4a8382fd4' * commit '9df140851375a977ad99390d71edf8b4a8382fd4': Add javadoc for display orientation.
Merge commit '9df140851375a977ad99390d71edf8b4a8382fd4' * commit '9df140851375a977ad99390d71edf8b4a8382fd4': Add javadoc for display orientation.