am 8a9a931f: am 8138e841: Merge "Support finer seek control on MediaSources." into gingerbread

Merge commit '8a9a931fff2d184f7cf77fdd8a425f682f006cfd'

* commit '8a9a931fff2d184f7cf77fdd8a425f682f006cfd':
  Support finer seek control on MediaSources.