message: Remove redundant negations in HiFi mini's fully_connected implementation.
diff: @@ -152,10 +152,8 @@ TfLiteStatus CalculateOpData(TfLiteContext* context,
  double real_multiplier = 0.0;
  TF_LITE_ENSURE_STATUS(GetQuantizedConvolutionMultipler(
  context, input, filter, bias, output, &real_multiplier));
  - int exponent;
  - xtensa::hifimini::QuantizeMultiplier(real_multiplier,
  - &data->output_multiplier, &exponent);
  - data->output_shift = -exponent;
  + xtensa::hifimini::QuantizeMultiplier(
  + real_multiplier, &data->output_multiplier, &data->output_shift);
  return CalculateActivationRangeQuantized(context, activation, output,
  &data->output_activation_min,
  &data->output_activation_max);
  @@ -200,8 +198,7 @@ TfLiteStatus EvalQuantizedInt8(TfLiteContext* context, TfLiteNode* node,
  op_params.weights_offset = -filter->params.zero_point;
  op_params.output_offset = output->params.zero_point;
  op_params.output_multiplier = data.output_multiplier;
  - // TODO(b/138810107): Figure out whether output shift should be inverted
  - op_params.output_shift = -data.output_shift;
  + op_params.output_shift = data.output_shift;
  op_params.quantized_activation_min = data.output_activation_min;
  op_params.quantized_activation_max = data.output_activation_max;
  