Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
The change log for 7.11 was accidentally split in 3865a1d9. Additionally, the change added with this commit did not make it into 7.11 according to git branch --contains and it has not been cherry picked to 7-11-stable so the entry is moved to 7.12.
git branch --contains
Refs GH-5625, GH-9318.