Correct out-of-date comment in lib/offline/
Correct out-of-date comment in lib/offline/

Change-Id: Id3087eeb897a7d4184d5a2b03f469247e1a3f9d1

tvoli/shaka-player,tvoli/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player,tvoli/shaka-player,shaka-project/shaka-player,tvoli/shaka-player