hwid: Fixing import error.

BUG=none
TEST=make lint test

Change-Id: Ib141504a72931c938736baf61ba5a58f48db7acc
Reviewed-on: https://chromium-review.googlesource.com/183762
Tested-by: Bowgo Tsai <bowgotsai@chromium.org>
Reviewed-by: Ricky Liang <jcliang@chromium.org>
Commit-Queue: Bowgo Tsai <bowgotsai@chromium.org>
1 file changed