message: BUILD file visibility change.
  END_PUBLIC
  RELNOTES: n/a
  BEGIN_PUBLIC
  Automated g4 rollback of changelist
diff: @@ -205,6 +205,7 @@ cc_library(
  name = "graph_to_functiondef",
  srcs = ["graph_to_functiondef.cc"],
  hdrs = ["graph_to_functiondef.h"],
  + visibility = [":friends"],
  deps = [
  "//tensorflow/core:core_cpu",
  "//tensorflow/core:framework",
  