RoboErik 9162cd596b fix setting only usb mode
If you cleared the last usb mode it would fail (and so would setting
it if you started with none). This fixes it to set and unset the
last property correctly.

Change-Id: I8aa62a65ccda5f3872d2995f30d80426f07a281c
2012-03-07 17:58:30 -08:00
..
2012-02-14 16:41:26 -08:00
2012-03-07 17:58:30 -08:00