message: Adjust the visibilities of libaries that are exposed via aliases in tensorflow/core/BUILD
diff: @@ -534,6 +534,7 @@ cc_library(
  srcs = ["shape_inference_testutil.cc"],
  hdrs = ["shape_inference_testutil.h"],
  copts = tf_copts(),
  + visibility = ["//tensorflow:internal"],
  deps = [
  ":node_def_proto_cc",
  "//tensorflow/core:framework",
  @@ -546,7 +547,7 @@ cc_library(
  name = "reader_base",
  srcs = ["reader_base.cc"],
  hdrs = ["reader_base.h"],
  - visibility = ["//tensorflow/core:__subpackages__"],
  + visibility = ["//visibility:public"],
  deps = [
  ":reader_base_proto_cc",
  "//tensorflow/core:framework",
  @@ -558,7 +559,7 @@ cc_library(
  name = "op_gen_lib",
  srcs = ["op_gen_lib.cc"],
  hdrs = ["op_gen_lib.h"],
  - visibility = ["//tensorflow/core:__subpackages__"],
  + visibility = ["//visibility:public"],
  deps = [
  ":api_def_proto_cc",
  ":attr_value_proto_cc",
  