CHROMIUM: job_class: Change the console default to NONE

To temporary work around the sepolicy issue with periodic_scheduler,
set the console default from LOG to NONE. In that mode, none are created.

BUG=b:263951812
TEST=build_image snappy, check content of /dev/pts does have only a
minimal amount of entries.
Check unit tests passes.

Change-Id: Idf05b9bfa5655324d2a66f7e214a79fa85a5c3f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/upstart/+/4153278
Commit-Queue: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Allen Webb <allenwebb@google.com>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
4 files changed