Fix breakage induced by CL:342067.

Specifically, argument handling was tightened- loman now enforces
argument count (rather than just ignoring it).

This however broke cros_workon.  Joy.

BUG=chromium-os:32247,chromium-os:31867,chromium-os:9914
TEST=manual; cros_workon start --board <blah> chromeos-base/chrome-login

Change-Id: Ic58ec457b7f43e14fa6347e8752653d5a466114f
Reviewed-on: https://gerrit.chromium.org/gerrit/32207
Reviewed-by: Brian Harring <ferringb@chromium.org>
Tested-by: Brian Harring <ferringb@chromium.org>
1 file changed