message: Always turn on adaptive reordering thresholds for DSR.
  Summary: When there are multiple different DSR senders, there can be a large degree of reordering present. We can partially mitigate this for now by using adaptive reordering thresholds all the time when DSR is on.
diff: @@ -3655,6 +3655,9 @@ QuicSocket::WriteResult QuicTransportBase::setDSRPacketizationRequestSender(
  return folly::makeUnexpected(LocalErrorCode::INVALID_OPERATION);
  }
  stream->dsrSender = std::move(sender);
  + // Always set adaptive reordering when using DSR for now since it ends up
  + // being crucial to avoid spurious losses when there are multiple senders.
  + conn_->transportSettings.useAdaptiveLossReorderingThresholds = true;
  // Fow now, no appLimited or appIdle update here since we are not writing
  // either BufferMetas yet. The first BufferMeta write will update it.
  } catch (const QuicTransportException& ex) {
  