message: Adding info to FakeQuant ops in graphviz.
diff: @@ -259,6 +259,19 @@ NodeProperties GetPropertiesForOperator(const Operator& op) {
  node_properties.color = Color(0xC5, 0x39, 0x29); // Bolder color
  break;
  }
  + case OperatorType::kFakeQuant: {
  + const auto& fakequant_op = static_cast<const FakeQuantOperator&>(op);
  + node_properties.color = Color(0xC5, 0x39, 0x29); // Bolder color
  + if (fakequant_op.minmax) {
  + AppendF(&node_properties.label, "\\n%dbit [%g,%g]",
  + fakequant_op.num_bits, fakequant_op.minmax->min,
  + fakequant_op.minmax->max);
  + } else {
  + AppendF(&node_properties.label, "\\n%dbit [?,?]",
  + fakequant_op.num_bits);
  + }
  + break;
  + }
  default:
  node_properties.color = Color(0xDB, 0x44, 0x37);
  break;
  