message: Add comment about adding --define=with_xla_support=true build option for
  mnist_softmax_xla example.
diff: @@ -83,6 +83,8 @@ py_binary(
  ],
  )
  +# Note: we need to add --define=with_xla_support=true to the build command in
  +# order to run the mnist_softmax_xla example with xla.
  py_binary(
  name = "mnist_softmax_xla",
  srcs = [
  