congestion controller: Fix network route change handling

webrtc/modules/congestion_controller/congestion_controller.cc

Index: webrtc/modules/congestion_controller/congestion_controller.cc
diff --git a/webrtc/modules/congestion_controller/congestion_controller.cc b/webrtc/modules/congestion_controller/congestion_controller.cc
index b4e5c1486cdae16fb3cc5ef7c46e63f64356d438..cb005e47f1aacd5ccc3344b6188024c7eeb4b66f 100644
--- a/webrtc/modules/congestion_controller/congestion_controller.cc
+++ b/webrtc/modules/congestion_controller/congestion_controller.cc
@@ -247,7 +247,7 @@ void CongestionController::ResetBweAndBitrates(int bitrate_bps,
   if (remote_bitrate_estimator_)
     remote_bitrate_estimator_->SetMinBitrate(min_bitrate_bps);
 
-  RemoteBitrateEstimator* rbe = new RemoteBitrateEstimatorAbsSendTime(
+  RemoteBitrateEstimator* rbe = new DelayBasedBwe(
       &transport_feedback_adapter_, clock_);
   transport_feedback_adapter_.SetBitrateEstimator(rbe);
   rbe->SetMinBitrate(min_bitrate_bps);