am 4c8112f2: 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 '4c8112f2f8f87a9d20195b133352604352049dbd':
  Doc change: adding usb docs and removed ADK doc. ADK doc will be in another CL