message: Remove python path settings from common_win.bat because it's not common.
diff: echo on
  -@REM
  -@REM Set Environment Variables
  -@REM
  -SET PY_EXE=C:\%PYTHON_DIRECTORY%\python.exe
  -SET PIP_EXE=C:\%PYTHON_DIRECTORY%\Scripts\pip.exe
  -SET PATH=C:\%PYTHON_DIRECTORY%;C:\%PYTHON_DIRECTORY%\Scripts;%PATH%
  -
  -%PIP_EXE% install flatbuffers==1.12 --upgrade --no-deps
  -%PIP_EXE% install setuptools --upgrade
  -%PIP_EXE% install numpy==1.16.0 --upgrade --no-deps
  -
  @REM
  @REM Setup Bazel
  @REM
  