[AAI] Update AAI to build kohn jobs

Issue-ID: AAI-3539
Signed-off-by: wr148d <wr148d@att.com>
Change-Id: I42062adafefcbc6ec12192059a3077e1341a0be7
diff --git a/jjb/aai/aai-sparky-fe.yaml b/jjb/aai/aai-sparky-fe.yaml
index 0f0bd8d..d850746 100644
--- a/jjb/aai/aai-sparky-fe.yaml
+++ b/jjb/aai/aai-sparky-fe.yaml
@@ -14,8 +14,8 @@
           build-node: centos7-docker-8c-8g
     project: 'aai/sparky-fe'
     stream:
-      - 'istanbul':
-          branch: 'istanbul'
+      - 'kohn':
+          branch: 'kohn'
       - 'master':
           branch: 'master'
     mvn-settings: 'aai-sparky-fe-settings'