Add RTP sequence number to TransportFeedbackObserver::AddPacket()

With this change, both the normal RTP and the transport-wide sequence
numbers are propagated with with AddPacket() call via a new
RtpPacketSendInfo struct, replacing the previous set of parameters.

The intent with this is that SendTimeHistory can hold a mapping from
transport-wide to rtp sequence numbers, and then via callbacks let the
RTP modules know when packets have been received by the remote end.

Bug: webrtc:8975
Change-Id: I6a24fc6282cbb041393752d39593c2867b242192
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133021
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27708}
diff --git a/rtc_tools/event_log_visualizer/analyzer.cc b/rtc_tools/event_log_visualizer/analyzer.cc
index bb662d0..00369e8 100644
--- a/rtc_tools/event_log_visualizer/analyzer.cc
+++ b/rtc_tools/event_log_visualizer/analyzer.cc
@@ -1286,10 +1286,16 @@
       const RtpPacketType& rtp_packet = *rtp_iterator->second;
       if (rtp_packet.rtp.header.extension.hasTransportSequenceNumber) {
         RTC_DCHECK(rtp_packet.rtp.header.extension.hasTransportSequenceNumber);
+        RtpPacketSendInfo packet_info;
+        packet_info.ssrc = rtp_packet.rtp.header.ssrc;
+        packet_info.rtp_sequence_number =
+            rtp_packet.rtp.header.extension.transportSequenceNumber;
+        packet_info.rtp_sequence_number = rtp_packet.rtp.header.sequenceNumber;
+        packet_info.has_rtp_sequence_number = true;
+        packet_info.length = rtp_packet.rtp.total_length;
         transport_feedback.AddPacket(
-            rtp_packet.rtp.header.ssrc,
-            rtp_packet.rtp.header.extension.transportSequenceNumber,
-            rtp_packet.rtp.total_length, PacedPacketInfo(),
+            packet_info,
+            0u,  // Per packet overhead bytes.
             Timestamp::us(rtp_packet.rtp.log_time_us()));
         rtc::SentPacket sent_packet(
             rtp_packet.rtp.header.extension.transportSequenceNumber,