Continue to add_host here even though we do it in base-jobs

We need to add host (and possibly the ssh host key so its here too) in
this playbook because the add_host from the base-jobs side is only
applicable to the playbook running in base-jobs. When we start our
playbook here that state is lost. Simple fix, just add_host it again.

Change-Id: Iee60d04f0232500be745a7a8ca0eac4a6202063d

playbooks/zuul/run-production-playbook.yaml

@@ -1,3 +1,23 @@
+- hosts: localhost
+  tasks:
+    - name: Add bridge.o.o to inventory
+      add_host:
+        name: bridge.openstack.org
+        ansible_python_interpreter: python3
+        ansible_user: zuul
+        # Without setting ansible_host directly, mirror-workspace-git-repos
+        # gets sad because if delegate_to localhost and with add_host that
+        # ends up with ansible_host being localhost.
+        ansible_host: bridge.openstack.org
+        ansible_port: 22
+
+- hosts: localhost
+  tasks:
+    - name: Add bridge.o.o hostkey to known hosts
+      known_hosts:
+        name: bridge.openstack.org
+        key: "bridge.openstack.org ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCxRzDkWvvVQtsLTAqAwedRWA84/42KKVdFS0QP8lZFsMpgTXUhjipJ7VcFun5gM87tnt0J71rlN+ospBh0/1wfp2jASEskUyGhXAa5xHjnJN7veUyW+AggEosK/OTunvZgf54p1sQg45Sq/uCjc0Ua0fRMOq2o5z/mgpl6rSjLOlWi9wKA/6axnUbs9w4iD5esyBQ+VcISSJOTqhAo/3UG0NwCU+6Ggwwhg0nl5iCMpQfq4A207IbJ72MkJzlQgW3edsRb5POzdZcGxkTYvVdP3kgHP4Bof3MFFZjBUMz6SuRQyNV5poysMtbtlO0SvgAJNhXr6Vn0GA9XhqFP6+HT"
+
 - hosts: bridge.openstack.org
   tasks:
     - name: Should we run from master