am b7208196: Use audio clock as the reference media clock

Merge commit 'b72081966da3842e27f88045cfa5a67cef3d4220' into gingerbread-plus-aosp

* commit 'b72081966da3842e27f88045cfa5a67cef3d4220':
  Use audio clock as the reference media clock
tree: 2639bd5aa4057811c3199836cb945e98feb70ac4
  1. camera/
  2. cmds/
  3. include/
  4. media/
  5. services/