Add jenkins test script

Change-Id: If36b19ccb7dca233045065162043c07b35374333
diff --git a/third_party/gperftools/BUILD b/third_party/gperftools/BUILD
index 7676131..b1e1f0f 100644
--- a/third_party/gperftools/BUILD
+++ b/third_party/gperftools/BUILD
@@ -208,7 +208,8 @@
   ],
   copts = common_copts + [
     '-fno-builtin',
-    '-Wno-mismatched-new-delete',
+    # Add this back in when we upgrade clang.
+    #'-Wno-mismatched-new-delete',
   ],
   size = 'small',
 )