R=iannucci@chromium.org

Bug: --send-email is not a command
Change-Id: Ia6a034204510322d674e0a45a2ed8a43dbba242c
Reviewed-on: https://chromium-review.googlesource.com/757131
Commit-Queue: Gabriel Charette <gab@chromium.org>
Reviewed-by: Robbie Iannucci <iannucci@chromium.org>