message: Remove the precision mode restriction in create_inference_graph() since we can
  still apply INT8 for quantization-aware trained models.
diff: @@ -855,8 +855,6 @@ def create_inference_graph(
  Raises:
  ValueError: if the combination of the parameters is invalid.
  """
  - if precision_mode not in [TrtPrecisionMode.FP32, TrtPrecisionMode.FP16]:
  - raise ValueError("Invalid precision mode: {}".format(precision_mode))
  trt_converter = TrtGraphConverter(
  input_saved_model_dir=input_saved_model_dir,
  input_saved_model_tags=input_saved_model_tags,
  