message: Expose quant_delay arg in experimental_create_eval_graph function.
diff: @@ -191,6 +191,7 @@ def experimental_create_training_graph(input_graph=None,
  def experimental_create_eval_graph(input_graph=None,
  weight_bits=8,
  activation_bits=8,
  + quant_delay=None,
  scope=None):
  """Rewrites an eval input_graph in place for simulated quantization.
  @@ -209,6 +210,8 @@ def experimental_create_eval_graph(input_graph=None,
  default graph.
  weight_bits: Number of bits to use for quantizing weights.
  activation_bits: Number of bits to use for quantizing activations.
  + quant_delay: Number of steps after which weights and activations are
  + quantized during eval.
  scope: The scope to be transformed. If it's not None, only the ops which
  are in this scope will be transformed.
  @@ -221,4 +224,5 @@ def experimental_create_eval_graph(input_graph=None,
  is_training=False,
  weight_bits=weight_bits,
  activation_bits=activation_bits,
  + quant_delay=quant_delay,
  scope=scope)
  