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/generic_decoder.h

@@ -36,6 +36,7 @@ struct VCMFrameInformation {
   EncodedImage::Timing timing;
   int64_t ntp_time_ms;
   absl::optional<ColorSpace> color_space;
+  RtpPacketInfos packet_infos;
 };
 
 class VCMDecodedFrameCallback : public DecodedImageCallback {