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-platform-blueprints.yaml b/jjb/dcaegen2/dcaegen2-platform-blueprints.yaml
index 450bd4f..8ea96a6 100644
--- a/jjb/dcaegen2/dcaegen2-platform-blueprints.yaml
+++ b/jjb/dcaegen2/dcaegen2-platform-blueprints.yaml
@@ -20,7 +20,7 @@
       deployAtEnd=true
     files: '**'
     archive-artifacts: ''
-    build-node: 'ubuntu1604-docker-8c-8g'
+    build-node: 'ubuntu1804-docker-8c-8g'
 
 - project:
     name: dcaegen2-platform-blueprints-clm
@@ -28,7 +28,7 @@
       - gerrit-maven-clm
     nexus-iq-namespace: 'onap-'
     project: dcaegen2/platform/blueprints
-    build-node: ubuntu1604-docker-8c-8g
+    build-node: ubuntu1804-docker-8c-8g
     project-name: 'dcaegen2-platform-blueprints'
     branch: 'master'
     mvn-settings: 'dcaegen2-platform-blueprints-settings'