Import another job from project-config

The job  legacy-keystone-dsvm-py35-functional-v3-only was left by
accident in project-config, import it and rename it so that the job in
keystone is used.

See https://review.openstack.org/601463 for keystone rename.

Needed-By: https://review.openstack.org/603282
Change-Id: Ic2551a09eeddd8a403b566dc9d9b88c09406db83
diff --git a/.zuul.yaml b/.zuul.yaml
index 5b42f96..57dcc3b 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -7,6 +7,8 @@
         - keystone-dsvm-functional
         - keystone-dsvm-functional-federation:
             voting: false
+        - keystone-dsvm-py35-functional-federation:
+            voting: false
     gate:
       jobs:
         - keystone-dsvm-functional