Revert of Make RTX pt/apt reconfigurable by calling WebRtcVideoChannel2::SetRecvParameters.

webrtc/tools/event_log_visualizer/analyzer.cc

Index: webrtc/tools/event_log_visualizer/analyzer.cc
diff --git a/webrtc/tools/event_log_visualizer/analyzer.cc b/webrtc/tools/event_log_visualizer/analyzer.cc
index 9794ab811ad85c6686382fb54bc39dcd36c63e48..3fd2c25fe8d2d1a5463a4c3fe223a66931ad8d45 100644
--- a/webrtc/tools/event_log_visualizer/analyzer.cc
+++ b/webrtc/tools/event_log_visualizer/analyzer.cc
@@ -311,11 +311,13 @@
         StreamId stream(config.rtp.remote_ssrc, kIncomingPacket);
         extension_maps[stream] = RtpHeaderExtensionMap(config.rtp.extensions);
         video_ssrcs_.insert(stream);
-        StreamId rtx_stream(config.rtp.rtx_ssrc, kIncomingPacket);
-        extension_maps[rtx_stream] =
-            RtpHeaderExtensionMap(config.rtp.extensions);
-        video_ssrcs_.insert(rtx_stream);
-        rtx_ssrcs_.insert(rtx_stream);
+        for (auto kv : config.rtp.rtx) {
+          StreamId rtx_stream(kv.second.ssrc, kIncomingPacket);
+          extension_maps[rtx_stream] =
+              RtpHeaderExtensionMap(config.rtp.extensions);
+          video_ssrcs_.insert(rtx_stream);
+          rtx_ssrcs_.insert(rtx_stream);
+        }
         break;
       }
       case ParsedRtcEventLog::VIDEO_SENDER_CONFIG_EVENT: {