portage-stable: Add default CQ to packages owned by platform networking

Since portage-stable does not have a default config, default CQs won't
be sheduled for changes in these folders now, which is not expected.


Change-Id: Ieb625e4da41287cafac5a3398af987de70811fed
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/5442192
Reviewed-by: Andrew Lamb <andrewlamb@chromium.org>
Reviewed-by: Shijin Abraham <shijinabraham@google.com>
Tested-by: Jie Jiang <jiejiang@chromium.org>
Reviewed-by: Tim Bain <tbain@google.com>
Commit-Queue: Jie Jiang <jiejiang@chromium.org>
11 files changed