[moblab] Add cros lint in the presubmit checks

TEST=None
BUG=None

Change-Id: I05c73e885d6cf5025c469946265adac0f80032e4
Reviewed-on: https://chromium-review.googlesource.com/1448592
Commit-Ready: Keith Haddow <haddowk@chromium.org>
Tested-by: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Keith Haddow <haddowk@chromium.org>
4 files changed