cmake: include FB doctor checks
cmake: include FB doctor checks

Summary:
These checkers do verify that a user is on the VPN, or that their certificates
are not expired. Since we didn't bundle these, we weren't checking these
things...

Reviewed By: chadaustin

Differential Revision: D33007790

fbshipit-source-id: e4e7f8b625443b4f2f9bfd0fe181b7a1858cd97c

facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift