Add plumbing of RtpPacketInfos to each VideoFrame as input for SourceTracker.

This change adds the plumbing of RtpPacketInfo from RtpVideoStreamReceiver::OnRtpPacket() to VideoReceiveStream::OnFrame() for video. It is a step towards replacing the non-spec compliant ContributingSources that updates itself at packet-receive time, with the spec-compliant SourceTracker that will update itself at frame-delivery-to-track time.

Bug: webrtc:10668
Change-Id: Ib97d430530c5a8487d3b129936c7c51e118889bd
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/139891
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Chen Xing <chxg@google.com>
Cr-Commit-Position: refs/heads/master@{#28332}

modules/video_coding/video_receiver.cc

@@ -338,7 +338,8 @@ int32_t VideoReceiver::IncomingPacket(const uint8_t* incomingPayload,
   }
   // Callers don't provide any ntp time.
   const VCMPacket packet(incomingPayload, payloadLength, rtp_header,
-                         video_header, /*ntp_time_ms=*/0);
+                         video_header, /*ntp_time_ms=*/0,
+                         clock_->TimeInMilliseconds());
   int32_t ret = _receiver.InsertPacket(packet);
 
   // TODO(holmer): Investigate if this somehow should use the key frame