1) Install OpenAM 13.5
2) Demonstrate updating the auditEnabled attribute on AuditService via ssoadm, by setting schema defaults:
You can view the result on the AuditService legacy console page (Config -> Global -> Audit Logging).
3) Save a different value for auditEnabled via the console.
4) Changes via set-attr-defs no longer have any impact, the action of saving on the console has written auditEnabled to:
There does not seem to be any way to manipulate this via ssoadm.