[autotest] Use max_runtime_mins in control files.

To ensure the jobs called by the suites are not aborted due to
timeout, pass max_runtime_mins to them.
Otherwise, they will time out 24h after they are started.

BUG=chromium:395865
TEST=Test on moblab: check the max_runtime_mins is passed to
children clients.

Change-Id: Ibebccab48c8df33e6867fdef3f12229b4baa212f
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/219077
Reviewed-by: Simran Basi <sbasi@chromium.org>
2 files changed