Migrate remaining Audit database status constants
- Ran migrations.
- Spot-checked the database for sanity.
- Ran some different queries, got unchanged results from before migration.
- Reviewed historic audit state transactions, and accepted/raised concern on new audits. All state transactions appeared to generate properly.
Reviewed By: amckinley
Maniphest Tasks: T13197
Differential Revision: https://secure.phabricator.com/D19655