use voltha-infra ETCD and kafka in voltha-scale-test
Using custom helm-chart version in att 1024 subscriber job

Change-Id: Ib6eaa13a0a5dfd7632b776607784e72e50f3511a
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 479541e..565e691 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -64,6 +64,7 @@
           withIgmp: false
           extraHelmFlags: '--set authRetry=true,dhcpRetry=true --set global.log_correlation.enabled=true -f /home/jenkins/voltha-scale/voltha-values.yaml'
           onosImg: andreacampanella/voltha-onos:voltha-onos-2.5
+          volthaHelmChartsChange: refs/changes/69/25069/7
 
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-master-2-16-32-dt-subscribers'