Add audit_logger to muilticast logger

[Fryguy]

This one logger was left out of the multicast logger, which is used to write to container logs or journald logs, so adding it in.

@bdunne Please review.

[simaishi]

Jansa backport details:

$ git log -1
commit c4f48af41927b4da6c8773b411851f3075b0708c
Author: Brandon Dunne <bdunne@redhat.com>
Date:   Wed May 20 10:27:32 2020 -0400

    Merge pull request #20191 from Fryguy/audit_logger_in_broadcast

    Add audit_logger to muilticast logger

    (cherry picked from commit 786b234f6040aaac56486ad80b26ef60bf9a8661)