update dcae job buildnode to ubuntu1804

Change-Id: Iaec963641f65eb71e3798dc69b26bf96376083dd
Signed-off-by: Vijay Venkatesh Kumar <vv770d@att.com>
Issue-ID: DCAEGEN2-1891
diff --git a/jjb/dcaegen2/dcaegen2-services-prh.yaml b/jjb/dcaegen2/dcaegen2-services-prh.yaml
index bb5aa84..c2672c1 100644
--- a/jjb/dcaegen2/dcaegen2-services-prh.yaml
+++ b/jjb/dcaegen2/dcaegen2-services-prh.yaml
@@ -10,7 +10,7 @@
           build-node: centos7-docker-8c-8g
           maven-versions-plugin: true
       - gerrit-maven-docker-stage:
-          build-node: ubuntu1604-docker-8c-8g
+          build-node: ubuntu1804-docker-8c-8g
           container-public-registry: 'nexus3.onap.org:10001'
           container-staging-registry: 'nexus3.onap.org:10003'
           mvn-goals: 'clean package docker:build docker:push'
@@ -24,7 +24,7 @@
     mvn-settings: 'dcaegen2-services-prh-settings'
     files: '**'
     archive-artifacts: ''
-    build-node: 'ubuntu1604-docker-8c-8g'
+    build-node: 'ubuntu1804-docker-8c-8g'
     maven-deploy-properties: |
       deployAtEnd=true
 
@@ -38,7 +38,7 @@
     sonarcloud-project-key: '{sonarcloud_project_organization}_{project-name}'
     sonar-mvn-goal: '{sonar_mvn_goal}'
     cron: '@daily'
-    build-node: ubuntu1604-docker-8c-8g
+    build-node: ubuntu1804-docker-8c-8g
     java-version: openjdk11
     project: 'dcaegen2/services/prh'
     project-name: 'dcaegen2-services-prh'
@@ -53,7 +53,7 @@
       - gerrit-maven-clm
     nexus-iq-namespace: 'onap-'
     project: dcaegen2/services/prh
-    build-node: ubuntu1604-docker-8c-8g
+    build-node: ubuntu1804-docker-8c-8g
     java-version: openjdk11
     project-name: 'dcaegen2-services-prh'
     branch: 'master'