Rename basebuild to builder

Rename nodes from "basebuild" to "builder" in preparation
for updating to common-packer.

Change-Id: I6ff64e3ee5c856391430296aded45d84c46de171
Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
diff --git a/jjb/vvp/vvp-postgresql.yaml b/jjb/vvp/vvp-postgresql.yaml
index 901c6d7..bd56bd0 100644
--- a/jjb/vvp/vvp-postgresql.yaml
+++ b/jjb/vvp/vvp-postgresql.yaml
@@ -12,7 +12,7 @@
           path: '.'
           pattern: '**'
     mvn-settings: 'vvp-postgresql-settings'
-    build-node: ubuntu1604-basebuild-4c-4g
+    build-node: ubuntu1604-builder-4c-4g
     jobs:
       - gerrit-python-xc-clm
       - '{project-name}-{stream}-{subproject}-verify-python'