Change appc build node

Update the maven-stage job to use the same size build
node as the old release job.

Change-Id: Iec7c74fb4bb230dc5fc2400b820469ea8861885f
Signed-off-by: Patrick Brady <patrick.brady@att.com>
Issue-ID: APPC-1595
diff --git a/jjb/appc/appc-master.yaml b/jjb/appc/appc-master.yaml
index 56ce45b..b80c811 100644
--- a/jjb/appc/appc-master.yaml
+++ b/jjb/appc/appc-master.yaml
@@ -7,7 +7,8 @@
           build-node: ubuntu1604-builder-8c-8g
       - '{project-name}-{stream}-merge-java':
           build-node: ubuntu1604-builder-8c-8g
-      - gerrit-maven-stage
+      - gerrit-maven-stage:
+          build-node: ubuntu1604-builder-8c-8g
       - '{project-name}-{stream}-release-version-java-daily':
           build-node: ubuntu1604-builder-8c-8g