This patch disables all of the discretionary access control (DAC)
auditing in auditd. This should reduce the volume of logs created
during deployments and during OpenStack CI jobs.
The patch also corrects an incorrect key in the audit logs for
V-38568.
Manual backport of I193f739647cfb7d0ce395984b51867bf6bd46cd8.
Closes-Bug: 1620849
Change-Id: I77b1322874ca3c55cc8d52476bb1eda5d86de2dc