message: Fixing possible overflow in NetEq buffle level filter.
  Cr-Commit-Position: refs/heads/master@{#28433}
diff: @@ -33,15 +33,15 @@ void BufferLevelFilter::Update(size_t buffer_size_samples,
  // (1 - |level_factor_|) * |buffer_size_samples|
  // |level_factor_| and |filtered_current_level_| are in Q8.
  // |buffer_size_samples| is in Q0.
  - filtered_current_level_ =
  - ((level_factor_ * filtered_current_level_) >> 8) +
  + const int64_t filtered_current_level =
  + ((level_factor_ * int64_t{filtered_current_level_}) >> 8) +
  ((256 - level_factor_) * rtc::dchecked_cast<int>(buffer_size_samples));
  // Account for time-scale operations (accelerate and pre-emptive expand) and
  // make sure that the filtered value remains non-negative.
  filtered_current_level_ = rtc::saturated_cast<int>(std::max<int64_t>(
  0,
  - filtered_current_level_ - (int64_t{time_stretched_samples} * (1 << 8))));
  + filtered_current_level - (int64_t{time_stretched_samples} * (1 << 8))));
  }
  void BufferLevelFilter::SetTargetBufferLevel(int target_buffer_level) {
  