all code that used that setting will now use new
CheckServiceBackupPrimarySiteRequest.
Change-Id: I0f9ebe68ba73a6aaf1882ae361327d7681449e31
Former-commit-id: 2dedd9efec [formerly dd7f9d9d0c] [formerly 0259bb6672] [formerly 75a499f802 [formerly 0259bb6672 [formerly 1b2c23abda7ed0a296bf1ffb1f3e8e27dc02555e]]]
Former-commit-id: 75a499f802
Former-commit-id: 7cd8ea80d80e0e218f7092215d1d3ed3594a4914 [formerly f01a35c671]
Former-commit-id: 99f3eb9f55