Reland "Deprecates legacy transport feedback adapter."

This is a reland of a5778e0d560ffb3e07637547ba8468f4762a2b3e

Original change's description:
> Deprecates legacy transport feedback adapter.
>
> Bug: webrtc:9586
> Change-Id: Ib8c9cec1eb7f3cfa90b18b4b64171fa1b06713cf
> Reviewed-on: https://webrtc-review.googlesource.com/c/105984
> Commit-Queue: Sebastian Jansson <srte@webrtc.org>
> Reviewed-by: Björn Terelius <terelius@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#25184}

TBR=terelius@webrtc.org

Bug: webrtc:9586
Change-Id: I4e2b42f71cc13d3ff92c3c11de63bde16c58439b
Reviewed-on: https://webrtc-review.googlesource.com/c/106143
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25190}
diff --git a/rtc_tools/event_log_visualizer/analyzer.cc b/rtc_tools/event_log_visualizer/analyzer.cc
index 2cc86c2..74acd62 100644
--- a/rtc_tools/event_log_visualizer/analyzer.cc
+++ b/rtc_tools/event_log_visualizer/analyzer.cc
@@ -1081,7 +1081,7 @@
   RtcEventLogNullImpl null_event_log;
   PacketRouter packet_router;
   PacedSender pacer(&clock, &packet_router, &null_event_log);
-  webrtc_cc::TransportFeedbackAdapter transport_feedback(&clock);
+  TransportFeedbackAdapter transport_feedback(&clock);
   auto factory = GoogCcNetworkControllerFactory(&null_event_log);
   TimeDelta process_interval = factory.GetProcessInterval();
   // TODO(holmer): Log the call config and use that here instead.