message: Fix GPU delegate crash with C++17
diff: @@ -2351,7 +2351,6 @@ class UnsupportedOperationParser : public TFLiteOperationParser {
  std::unique_ptr<TFLiteOperationParser> NewOperationParser(
  const TfLiteRegistration* registration) {
  const auto builtin_code = registration->builtin_code;
  - const absl::string_view custom_name = registration->custom_name;
  switch (builtin_code) {
  case kTfLiteBuiltinAbs:
  return absl::make_unique<ElementwiseOperationParser>(OperationType::ABS);
  @@ -2429,6 +2428,7 @@ std::unique_ptr<TFLiteOperationParser> NewOperationParser(
  return absl::make_unique<TransposeConvOperationParser>();
  case kTfLiteBuiltinCustom:
  + const absl::string_view custom_name = registration->custom_name;
  if (custom_name == "Convolution2DTransposeBias") {
  return absl::make_unique<Convolution2DTransposeBiasParser>();
  }
  