gogole-usb: add option to not bridge the usb link

Google-Bug-Id: 543188543
Tested: verified on mimik that the link is not bridged.
Change-Id: I5148f4aee99410c020545db60052e3e7cae2e08f
Signed-off-by: Yuxiao Zhang <yuxiaozhang@google.com>
1 file changed