Herald - restore create an audit as an action for commit objects

Summary: I think we accidentally forgot to include this action in D6660.

Test Plan: verified it showed up in the UI to have the action be an audit

Reviewers: chad, epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6712

src/applications/herald/adapter/HeraldCommitAdapter.php

@@ -93,6 +93,7 @@ final class HeraldCommitAdapter extends HeraldAdapter {
           self::ACTION_ADD_CC,
           self::ACTION_REMOVE_CC,
           self::ACTION_EMAIL,
+          self::ACTION_AUDIT,
           self::ACTION_NOTHING,
         );
       case HeraldRuleTypeConfig::RULE_TYPE_PERSONAL:
@@ -101,6 +102,7 @@ final class HeraldCommitAdapter extends HeraldAdapter {
           self::ACTION_REMOVE_CC,
           self::ACTION_EMAIL,
           self::ACTION_FLAG,
+          self::ACTION_AUDIT,
           self::ACTION_NOTHING,
         );
     }