CBQE-1069: increase timeout for winddows in wait_service_started

Change-Id: I23ec1e39166dad32450ee5cc06d687f58fa7b7e2
Reviewed-on: http://review.couchbase.org/24961
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>