all code that used that setting will now use new
CheckServiceBackupPrimarySiteRequest.
Change-Id: I0f9ebe68ba73a6aaf1882ae361327d7681449e31
Former-commit-id: 75a499f802 [formerly 0259bb6672 [formerly 1b2c23abda7ed0a296bf1ffb1f3e8e27dc02555e]]
Former-commit-id: 0259bb6672
Former-commit-id: dd7f9d9d0c