Notify apache for barbican api in wsgi

Change-Id: I5cf9330181e13e041715719ea3d639809f57f3bc
(cherry picked from commit 87d6ae3970)
(cherry picked from commit d684234478)

manifests/api.pp

@@ -523,6 +523,8 @@ the future release. Please use barbican::api::package_ensure instead.")
         enable => false,
         tag    => 'barbican-service',
       }
+      Service <| title == 'httpd' |> { tag +> 'barbican-service' }
+
       # we need to make sure barbican-api is stopped before trying to start apache
       Service['barbican-api'] -> Service[$service_name]
     }