Use 4c 4g build node

Our new JUnit tests consume a lot of memory. I would like to speed
up the builds.

Issue-ID: POLICY-267
Change-Id: Ief11b8ef89f80bea8eef95db807f00ed7d196de5
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/jjb/policy/policy-drools-pdp.yaml b/jjb/policy/policy-drools-pdp.yaml
index 2b94b98..5a740bd 100644
--- a/jjb/policy/policy-drools-pdp.yaml
+++ b/jjb/policy/policy-drools-pdp.yaml
@@ -18,6 +18,7 @@
     mvn-settings: 'policy-drools-pdp-settings'
     files: '**'
     archive-artifacts: ''
+    build-node: 'ubuntu1604-basebuild-4c-4g'
 - project:
     name: policy-drools-pdp-release-1.0.0
     project-name: 'policy-drools-pdp'