am f0a1d683: am fd7974f5: Merge "Doc change: adding usb docs and removed ADK doc. ADK doc will be in another CL" into honeycomb-mr1

* commit 'f0a1d683d9c45a2d5e8e22edaf991b1f9c5b4402':
  Doc change: adding usb docs and removed ADK doc. ADK doc will be in another CL