am 93a523b5: am 92fd5c63: am 06ddeb0f: Move source prop files for docs/platforms/usb driver back into dev.

Merge commit '93a523b54fc45918c43e622c7c8bf06da26f7e73'

* commit '93a523b54fc45918c43e622c7c8bf06da26f7e73':
  Move source prop files for docs/platforms/usb driver back into dev.