message: Update utils.export_inputs_to_file() in line with API change to export_variables()
  Summary: Change introduced in D53392 omitted to update this function.
  Reviewers: #tensorflow, #framework_ip_review_-_any_oss_or_third-party_code_use_has_been_approved, georgep
  Maniphest Tasks: T45630
diff: @@ -1477,7 +1477,9 @@ def export_inputs_to_file(inputs, output_filename, feed_dict):
  """
  with ops.device("cpu"), session_lib.Session() as sess:
  - sess.run(dataset_extractor.export_variables(inputs, output_filename),
  + names = [i.name for i in inputs]
  + sess.run(
  + dataset_extractor.export_variables(inputs, names, output_filename),
  feed_dict)
  