Fix aggregator relative paths

Need to go up one more dir.

playbooks/common/openshift-cluster/upgrades/v3_7/upgrade.yml

@@ -47,7 +47,7 @@
   roles:
   - role: openshift_facts
   tasks:
-  - include_tasks: ../../../openshift-master/tasks/wire_aggregator.yml
+  - include_tasks: ../../../../openshift-master/private/tasks/wire_aggregator.yml
 
 # All controllers must be stopped at the same time then restarted
 - name: Cycle all controller services to force new leader election mode

playbooks/common/openshift-cluster/upgrades/v3_7/upgrade_control_plane.yml

@@ -59,7 +59,7 @@
   roles:
   - role: openshift_facts
   tasks:
-  - include_tasks: ../../../openshift-master/tasks/wire_aggregator.yml
+  - include_tasks: ../../../../openshift-master/private/tasks/wire_aggregator.yml
 
 # All controllers must be stopped at the same time then restarted
 - name: Cycle all controller services to force new leader election mode