Fix config error for VESPA

Using appmgr service name defined in common template.

Change-Id: I5ae308c411d0d41bfec8fb6aacffae20b741a2ea
Signed-off-by: wrider <lji@research.att.com>
diff --git a/helm/vespamgr/templates/deployment.yaml b/helm/vespamgr/templates/deployment.yaml
index ebb1828..6c9db0b 100644
--- a/helm/vespamgr/templates/deployment.yaml
+++ b/helm/vespamgr/templates/deployment.yaml
@@ -62,7 +62,7 @@
                 name: vespa-secrets
           env:
             - name: VESMGR_APPMGRDOMAIN
-              value: appmgr-service
+              value: {{ include "common.servicename.appmgr.http" . }}
           livenessProbe:
             httpGet:
               path: /supervision