message: Visibility change for tf_agents.
diff: @@ -156,7 +156,10 @@ py_library(
  name = "monitoring",
  srcs = ["monitoring.py"],
  srcs_version = "PY2AND3",
  - visibility = ["//tensorflow:internal"],
  + visibility = [
  + "//tensorflow:internal",
  + "//third_party/py/tf_agents:__subpackages__",
  + ],
  deps = [
  "//tensorflow/python:c_api_util",
  "//tensorflow/python:pywrap_tensorflow",
  