message: Update person_detection_experimental model
diff: @@ -372,6 +372,9 @@ tf.lite.TFLiteConverter.from_frozen_graph('vww_96_grayscale_frozen.pb',
  ['input'], ['MobilenetV1/Predictions/Reshape_1'])
  converter.optimizations = [tf.lite.Optimize.DEFAULT]
  converter.representative_dataset = representative_dataset_gen
  +converter.target_spec.supported_ops = [tf.lite.OpsSet.TFLITE_BUILTINS_INT8]
  +converter.inference_input_type = tf.int8
  +converter.inference_output_type = tf.int8
  tflite_quant_model = converter.convert()
  open("vww_96_grayscale_quantized.tflite", "wb").write(tflite_quant_model)
  