[EE] Allow the feature flags to be enabled/disabled with more granularity
What does this MR do?
EE MR for https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12357
Edited by username-removed-128633
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
EE MR for https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12357