Add key-manager:service-admin role for Barbican

This patch adds role key-manager:service-admin for Barbican

Change-Id: I5978e9112f32e6ed55e3059b52f262b1305dc7d5
Related-PROD: PROD-15204
diff --git a/keystone/client/service/barbican.yml b/keystone/client/service/barbican.yml
index 70b6054..497eb50 100644
--- a/keystone/client/service/barbican.yml
+++ b/keystone/client/service/barbican.yml
@@ -7,6 +7,7 @@
         identity:
           roles:
           - creator
+          - key-manager:service-admin
           project:
             service:
               user:
@@ -16,6 +17,7 @@
                   roles:
                   - admin
                   - creator
+                  - key-manager:service-admin
           service:
             barbican:
               type: key-manager