It helps to actually install bazel after you download it

Change-Id: I994506ec18102f116653fda058076b95a4c566a3
diff --git a/jjb/onos/install-bazel.sh b/jjb/onos/install-bazel.sh
index 150a25d..6f69bc2 100644
--- a/jjb/onos/install-bazel.sh
+++ b/jjb/onos/install-bazel.sh
@@ -22,3 +22,6 @@
     echo Not installing bazel
 fi
 
+chmod +x bazel.sh 
+./bazel.sh --user
+