[autotest] have test_that's --debug flag also turn on autoserv verbosity

BUG=None
TEST=Manually tested. Unit tests pass.

Change-Id: I7e91c89cbee138a57015b4b8578778afda090ca0
Reviewed-on: https://chromium-review.googlesource.com/167174
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
Tested-by: Aviv Keshet <akeshet@chromium.org>
Commit-Queue: Aviv Keshet <akeshet@chromium.org>
2 files changed