Disabling 3200G job to let the radisys pod finish the others and extending tiemouts to allow job to complete

Change-Id: I412104fa12c63407032f02d61387c42432a2269f
diff --git a/jjb/voltha-test/voltha-nightly-jobs.yaml b/jjb/voltha-test/voltha-nightly-jobs.yaml
index 1d11c4c..278c91b 100644
--- a/jjb/voltha-test/voltha-nightly-jobs.yaml
+++ b/jjb/voltha-test/voltha-nightly-jobs.yaml
@@ -304,7 +304,7 @@
 
     oltAdapterAppLabel: 'adapter-open-olt'
     enableMultiUni: false
-    timeout: 270
+    timeout: 300
 
     parameters:
       - string: