set mvn version for DL job

Change-Id: Ib8f2b16a2253763f6fbbbeb05969c205cdc90361
Signed-off-by: vv770d <vv770d@att.com>
Issue-ID: DCAEGEN2-2329
diff --git a/jjb/dcaegen2/dcaegen2-services-datalake-handler.yaml b/jjb/dcaegen2/dcaegen2-services-datalake-handler.yaml
index 25449e8..a9efd72 100644
--- a/jjb/dcaegen2/dcaegen2-services-datalake-handler.yaml
+++ b/jjb/dcaegen2/dcaegen2-services-datalake-handler.yaml
@@ -18,6 +18,7 @@
       - 'honolulu':
           branch: 'honolulu'
     java-version: openjdk11
+    maven-version: 'mvn35'
     mvn-settings: 'dcaegen2-services-settings'
     maven-deploy-properties: |
       deployAtEnd=true