HOTFIX for the previous hot fix.

dev/run-tests.py

@@ -529,6 +529,7 @@ def main():
         run_scala_style_checks()
     if not changed_files or any(f.endswith(".java") for f in changed_files):
         # run_java_style_checks()
+        pass
     if not changed_files or any(f.endswith(".py") for f in changed_files):
         run_python_style_checks()
     if not changed_files or any(f.endswith(".R") for f in changed_files):