Include downlink delay into congestion window size.

Change-Id: I33db0c8134b6b3181a7b3abcf32a622a89ff3ab4

Bug: webrtc:10688
Change-Id: I33db0c8134b6b3181a7b3abcf32a622a89ff3ab4
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/138275
Commit-Queue: Ying Wang <yinwa@webrtc.org>
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28079}
diff --git a/call/call.cc b/call/call.cc
index fb60558..af8e5d7 100644
--- a/call/call.cc
+++ b/call/call.cc
@@ -1498,6 +1498,8 @@
   RTPHeader header;
   packet.GetHeader(&header);
 
+  transport_send_ptr_->OnReceivedPacket(packet);
+
   if (!use_send_side_bwe && header.extension.hasTransportSequenceNumber) {
     // Inconsistent configuration of send side BWE. Do nothing.
     // TODO(nisse): Without this check, we may produce RTCP feedback