message: Use if_ngraph to exclude ngraph licence rules in default build.
diff: @@ -13,6 +13,10 @@ load("//third_party/mkl:build_defs.bzl", "if_mkl", "if_mkl_ml")
  load("//tensorflow:tensorflow.bzl", "if_cuda")
  load("@local_config_syslibs//:build_defs.bzl", "if_not_system_lib")
  load("//tensorflow/core:platform/default/build_config_root.bzl", "tf_additional_license_deps")
  +load(
  + "//third_party/ngraph:build_defs.bzl",
  + "if_ngraph",
  +)
  # This returns a list of headers of all public header libraries (e.g.,
  # framework, lib), and all of the transitive dependencies of those
  @@ -200,7 +204,7 @@ filegroup(
  "@grpc//third_party/nanopb:LICENSE.txt",
  "@grpc//third_party/address_sorting:LICENSE",
  ],
  - ) + if_not_windows([
  + ) + if_ngraph([
  "@ngraph//:LICENSE",
  "@ngraph_tf//:LICENSE",
  "@nlohmann_json_lib//:LICENSE",
  