message: Add an Clif proto library for GraphDebugInfo
  This build target is very useful for prototyping tools with GraphDebugInfo.
diff: @@ -2276,6 +2276,13 @@ tf_pyclif_proto_library(
  visibility = ["//visibility:public"],
  )
  +tf_pyclif_proto_library(
  + name = "protobuf/graph_debug_info_pyclif",
  + proto_lib = ":protos_all_cc",
  + proto_srcfile = "protobuf/graph_debug_info.proto",
  + visibility = ["//visibility:public"],
  +)
  +
  tf_pyclif_proto_library(
  name = "protobuf/meta_graph_pyclif",
  proto_lib = ":protos_all_cc",
  