[autotest] Pass in --lab to autoserv for Special Tasks.
Special tasks kick off autoserv in a number of different locations,
this change informs special tasks ran by the scheduler that they
are running in the lab.
BUG=chromium:570125
TEST=Local MobLab run.
Change-Id: I741f64a54bf5ce0997be34435ad7db1a2051e39d
Reviewed-on: https://chromium-review.googlesource.com/318753
Commit-Ready: Simran Basi <sbasi@chromium.org>
Tested-by: Simran Basi <sbasi@chromium.org>
Reviewed-by: Simran Basi <sbasi@chromium.org>
3 files changed