message: Changes package visibility.
diff: @@ -65,7 +65,7 @@ package_group(
  name = "friends",
  packages = [
  "//learning/brain/contrib/...",
  - "//learning/brain/research/sparse_matrix/...",
  + "//learning/brain/research/...",
  "//learning/faster_training/...",
  "//tensorflow/...",
  "//tensorflow_text/...",
  