message: Disable RunPythonTests on rtc_tools.
  The only python test present in that folder has been removed by
  TBR=tommi@webrtc.org
  No-Try: True
  Cr-Commit-Position: refs/heads/master@{#28775}
diff: @@ -736,7 +736,6 @@ def RunPythonTests(input_api, output_api):
  test_directories = [
  input_api.PresubmitLocalPath(),
  Join('rtc_tools', 'py_event_log_analyzer'),
  - Join('rtc_tools'),
  Join('audio', 'test', 'unittests'),
  ] + [
  root for root, _, files in os.walk(Join('tools_webrtc'))
  