message: Expose python:platform build target.
diff: # Description:
  # Python support for TensorFlow.
  +#
  +# Public targets:
  +# ":platform" - Low-level and platform-specific Python code.
  package(
  default_visibility = [
  @@ -132,6 +135,7 @@ py_library(
  ],
  ) + ["platform/build_info.py"],
  srcs_version = "PY2AND3",
  + visibility = ["//visibility:public"],
  deps = [
  ":lib",
  ":pywrap_tensorflow",
  