switch hb sonar buildnode for py37 support

Change-Id: If43c1f13b29f4ee3417773a11d6f3d12d7cbbae8
Signed-off-by: Vijay Venkatesh Kumar <vv770d@att.com>
Issue-ID: DCAEGEN2-1891
Signed-off-by: Vijay Venkatesh Kumar <vv770d@att.com>
diff --git a/jjb/dcaegen2/dcaegen2-services-heartbeat.yaml b/jjb/dcaegen2/dcaegen2-services-heartbeat.yaml
index b8ff328..057b05b 100644
--- a/jjb/dcaegen2/dcaegen2-services-heartbeat.yaml
+++ b/jjb/dcaegen2/dcaegen2-services-heartbeat.yaml
@@ -26,7 +26,7 @@
     jobs:
       - gerrit-maven-sonar
     cron: '@daily'
-    build-node: ubuntu1604-builder-4c-4g
+    build-node: ubuntu1604-docker-8c-8g
     project: 'dcaegen2/services/heartbeat'
     project-name: 'dcaegen2-services-heartbeat'
     branch: 'master'