R1:558d19430233

Update `bin/storage` workflows to accommodate multiple masters

Summary: Depends on D16847. Ref T11044. This updates the remaining storage-related workflows from the CLI to accommodate multiple masters.

Test Plan:
- Configured multiple masters.
- Ran all `bin/storage` workflows.
- Ran `arc unit --everything`.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11044

Differential Revision: https://secure.phabricator.com/D16848