am baf4a057: am 5c5c3f3a: Merge "Document that MediaPlayer.getDuration()...
am baf4a057: am 5c5c3f3a: Merge "Document that MediaPlayer.getDuration() returns an invalid value (-1)" into jb-mr2-dev
* commit 'baf4a057':
Document that MediaPlayer.getDuration() returns an invalid value (-1)