am 17fc2ce4: (-s ours) am 7866be2b: (-s ours) am 40bbf929: DO NOT MERGE: Backport USB accessory support to gingerbread

* commit '17fc2ce479b70a539cf3aaf0e89829ad6eedc2b6':
  DO NOT MERGE: Backport USB accessory support to gingerbread