message: Update the toolchains to use the RBE hash.
diff: @@ -16,11 +16,11 @@ def workspace():
  http_archive(
  name = "tf_toolchains",
  - sha256 = "6c1faf5d36ee3270d3c27dbb6f29210cb5ddd738272fffcf32c4184d03c7eab5",
  - strip_prefix = "toolchains-1.1.12",
  + sha256 = "167bd8aa98d2df5669130f2b0a9a1cdfbb5cf926f5f0da74d924dad03c7d312e",
  + strip_prefix = "toolchains-1.1.13",
  urls = [
  - "http://mirror.tensorflow.org/github.com/tensorflow/toolchains/archive/v1.1.12.tar.gz",
  - "https://github.com/tensorflow/toolchains/archive/v1.1.12.tar.gz",
  + "http://mirror.tensorflow.org/github.com/tensorflow/toolchains/archive/v1.1.13.tar.gz",
  + "https://github.com/tensorflow/toolchains/archive/v1.1.13.tar.gz",
  ],
  )
  