BUG=20274999 Change-Id: I1d60ebcf100767136ac7f78e619021776c6be02f
These methods will be called in the following CL from the service that handles USB attach and detach intent. BUG=20274999 Change-Id: I7b3c658afc5750d6a2713c07f40c59b26dcd1460
BUG=20274999 Change-Id: I179692d3b14392a0634d4c0ace21a9d96a2d0d6a