message: Fix flag descriptions
  The descriptions I added were flipped.
diff: @@ -153,12 +153,12 @@ void AllocateAndParseFlags() {
  Flag("tf_introduce_floating_point_jitter_to_tensors",
  setter_for_jitter_tensor_names, "",
  - "The amount of jitter to introduce. This amount is added to each "
  - "element in the tensors named in `tensor_names."),
  + "The Tensors to add the jitter to. The tensors are named in the "
  + "TensorId format of <node name>:<output idx>."),
  Flag("tf_introduce_floating_point_jitter_amount",
  &jitter_flags->jitter_amount,
  - "The Tensors to add the jitter to. The tensors are named in the "
  - "TensorId format of <node name>:<output idx>.")});
  + "The amount of jitter to introduce. This amount is added to each "
  + "element in the tensors named in `tensor_names.")});
  AppendMarkForCompilationPassFlagsInternal(flag_list);
  xla::ParseFlagsFromEnvAndDieIfUnknown(kTfXlaFlags, *flag_list);
  