Update clamp jobs

Update clamp jobs so that they build with openjdk-13

Issue-ID: CLAMP-327
Change-Id: Ib6332427a5bd5fb7627346890c33e07109acc069
Signed-off-by: sebdet <sebastien.determe@intl.att.com>
diff --git a/jjb/clamp/clamp.yaml b/jjb/clamp/clamp.yaml
index 418f0f2..2de26d0 100644
--- a/jjb/clamp/clamp.yaml
+++ b/jjb/clamp/clamp.yaml
@@ -34,6 +34,7 @@
         - 'dublin':
               branch: 'dublin'
     mvn-settings: 'clamp-settings'
+    java-version: openjdk13
     files: '**'
     archive-artifacts: ''
     build-node: ubuntu1604-docker-8c-8g
@@ -51,6 +52,7 @@
     mvn-settings: 'clamp-settings'
     mvn-goals: 'clean install'
     mvn-opts: '-Xmx1024m -XX:MaxPermSize=256m'
+    java-version: openjdk13
 
 - project:
     name: clamp-clm
@@ -64,6 +66,7 @@
     mvn-settings: 'clamp-settings'
     build-node: ubuntu1604-docker-8c-8g
     build-timeout: 120
+    java-version: openjdk13
 
 - project:
     name: clamp-info