CHERRY-PICK: Modify scan to accept predefined value.

BUG=None
TEST=run on DUT

Reviewed-on: https://chromium-review.googlesource.com/237681
Commit-Queue: Dean Liao <deanliao@chromium.org>
Tested-by: Dean Liao <deanliao@chromium.org>
Reviewed-by: Dean Liao <deanliao@chromium.org>
Change-Id: Id760168060d6035161d3232e0bf361a6a31e2612
Reviewed-on: https://chromium-review.googlesource.com/238669
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
1 file changed