add in bazel installation to release build verification job

Change-Id: Ieaf46fe3584e04009df5788b3e96af948c311256
diff --git a/jjb/onos/onos-release-build-verify.sh b/jjb/onos/onos-release-build-verify.sh
index bd71a95..15d66b9 100644
--- a/jjb/onos/onos-release-build-verify.sh
+++ b/jjb/onos/onos-release-build-verify.sh
@@ -7,5 +7,10 @@
 ONOS_ROOT=`pwd`
 . tools/build/envDefaults
 
+curl -L -o bazel.sh https://github.com/bazelbuild/bazel/releases/download/0.15.2/bazel-0.15.2-installer-linux-x86_64.sh
+chmod +x bazel.sh 
+./bazel.sh --user
+PATH=$PATH:/home/jenkins/bin
+
 # run the verification build
 onos-build-and-upload 1.12.0-testbuild 1.12-SNAPSHOT master --dry-run