message: Change the default visibility of tensorflow/core/platform to public.
  As this library is the standard library everything else builds on, any C++ TF
  user has to be able to depend on this library.
diff: @@ -61,7 +61,9 @@ load("//tensorflow:tensorflow.bzl", "filegroup")
  load("//tensorflow:tensorflow.bzl", "get_compatible_with_portable")
  package(
  - default_visibility = ["//tensorflow:__subpackages__"],
  + default_visibility = [
  + "//visibility:public",
  + ],
  licenses = ["notice"], # Apache 2.0
  )
  