CORD-1913: Restore execution of custom service save() methods in attics

Change-Id: I989aef8f1efa9a61ea6ca88fec2eec7f1e24ac83
(cherry picked from commit df97081abcd640f857b9287f0ab75822cf290e37)
diff --git a/xos/attic/openstackservicemonitoringpublisher_model.py b/xos/attic/openstackservicemonitoringpublisher_model.py
index 23102f5..c6dfa7e 100644
--- a/xos/attic/openstackservicemonitoringpublisher_model.py
+++ b/xos/attic/openstackservicemonitoringpublisher_model.py
@@ -21,7 +21,7 @@
     #Don't allow creation of this model instances for non-admin users also
     return False
 
-def save(self, *args, **kwargs):
+def __xos_save_base(self, *args, **kwargs):
     if not self.creator:
         if not getattr(self, "caller", None):
             # caller must be set when creating a monitoring channel since it creates a slice
@@ -36,4 +36,5 @@
         if publisher_count > 0:
             raise XOSValidationError("Already %s openstack publishers exist for user Can only create max 1 OpenStackServiceMonitoringPublisher instance per user" % str(publisher_count))
 
-    super(OpenStackServiceMonitoringPublisher, self).save(*args, **kwargs)
\ No newline at end of file
+    return False
+