message: Add new src targets for C API and native TF
diff: @@ -26,6 +26,18 @@ filegroup(
  visibility = ["//tensorflow:__subpackages__"],
  )
  +filegroup(
  + name = "srcs",
  + srcs = glob(
  + [
  + "*.cc",
  + "*.h",
  + ],
  + exclude = ["*test*"],
  + ),
  + visibility = ["//visibility:public"],
  +)
  +
  tf_cuda_library(
  name = "c_api_internal",
  srcs = ["c_api.h"],
  