Frankfurt release in Java8

Change Frankfurt release to build in java 8

Issue-ID: SDC-3363

Signed-off-by: sebdet <sebastien.determe@intl.att.com>
Change-Id: I83dbfe811d074cd28c5007815fa6559152bf0737
diff --git a/jjb/sdc/sdc.yaml b/jjb/sdc/sdc.yaml
index 4faecd0..c6a9ecc 100644
--- a/jjb/sdc/sdc.yaml
+++ b/jjb/sdc/sdc.yaml
@@ -54,12 +54,14 @@
     stream:
       - 'master':
           branch: 'master'
+          java-version: openjdk11
       - 'guilin':
           branch: 'guilin'
+          java-version: openjdk11
       - 'frankfurt':
           branch: 'frankfurt'
+          java-version: openjdk8
     mvn-settings: 'sdc-settings'
-    java-version: openjdk11
     files: '**'
     archive-artifacts: ''
     build-node: ubuntu1804-docker-8c-8g