checkstyle rule to check copyrights

Change-Id: Ia9bab40b5fe64fca539058a4316371f7acc0f387
diff --git a/bucklets/onos.bucklet b/bucklets/onos.bucklet
index f0730ea..16d0b52 100644
--- a/bucklets/onos.bucklet
+++ b/bucklets/onos.bucklet
@@ -35,7 +35,7 @@
         sh_test(
                 name = name + '-checkstyle',
                 test = '//tools/build/conf:start-buck-daemon',
-                deps = [ jar_target ],
+                deps = [ jar_target, '//tools/build/conf:onos-java-header' ],
                 args = [
                     '$(location //tools/build/conf:buck-daemon-jar)',
                     'checkstyle',