Add metadata properties to AnnouncementController

[mikesposito]

Explanation

Adding new state metadata properties to AnnouncementController. This controller has been migrated separately from the rest of Wallet UX controllers, as the others are on the Extension client.

References

• Related to Add new metadata properties to Wallet UX controllers #6506
• Related to Add new includeInStateLogs and usedInUi controller metadata properties #6443

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've communicated my changes to consumers by updating changelogs for packages I've changed, highlighting breaking changes as necessary
• I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes