message: Add win_def_file attribute for tensorflow/python:pywrap_tensorflow_internal
  This attribute is somehow missing when pushing for internal to github.
  This should fix the TensorFlow Bazel postsubmit for github.
diff: @@ -3343,6 +3343,10 @@ tf_py_wrap_cc(
  "util/transform_graph.i",
  "util/util.i",
  ],
  + win_def_file = select({
  + "//tensorflow:windows": ":pywrap_tensorflow_filtered_def_file",
  + "//conditions:default": None,
  + }),
  deps = [
  ":bfloat16_lib",
  ":cost_analyzer_lib",
  