message: Remove sync buffer length from FilteredCurrentDelayMs.
  The sync buffer length is already added when the buffer level filter is updated.
  Cr-Commit-Position: refs/heads/master@{#28261}
diff: @@ -316,12 +316,9 @@ int NetEqImpl::FilteredCurrentDelayMs() const {
  (buffer_level_filter_->filtered_current_level() *
  decoder_frame_length_) >>
  8;
  - // Sum up the filtered packet buffer level with the future length of the sync
  - // buffer, and divide the sum by the sample rate.
  - const size_t delay_samples =
  - packet_buffer_samples + sync_buffer_->FutureLength();
  // The division below will truncate. The return value is in ms.
  - return static_cast<int>(delay_samples) / rtc::CheckedDivExact(fs_hz_, 1000);
  + return static_cast<int>(packet_buffer_samples) /
  + rtc::CheckedDivExact(fs_hz_, 1000);
  }
  int NetEqImpl::NetworkStatistics(NetEqNetworkStatistics* stats) {
  