Merge branch imgsystems/4.1-imgsystems into aosp/master

These are the 4.2 USB changes.

Conflicts:
    drivers/usb/gadget/function/f_rndis.c
    drivers/usb/gadget/function/rndis.c
    drivers/usb/gadget/function/rndis.h

Change-Id: I5d494613ee9b75fd674402125351bc7c6d95f9aa