Move FecController to RtpVideoSender.

This also moves the packet feedback tracking to RtpVideoSender.

Bug: webrtc:9517
Change-Id: Ifb1ff85051730108a0b0d1dd30f6f8595ad2af6e
Reviewed-on: https://webrtc-review.googlesource.com/c/95920
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Stefan Holmer <stefan@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25019}
diff --git a/call/BUILD.gn b/call/BUILD.gn
index 7c1cb3f..611d9e8 100644
--- a/call/BUILD.gn
+++ b/call/BUILD.gn
@@ -65,6 +65,7 @@
   ]
   deps = [
     "../api:array_view",
+    "../api:fec_controller_api",
     "../api:libjingle_peerconnection_api",
     "../api/transport:bitrate_settings",
     "../logging:rtc_event_log_api",
@@ -117,6 +118,7 @@
     ":bitrate_configurator",
     ":rtp_interfaces",
     "..:webrtc_common",
+    "../api:fec_controller_api",
     "../api:transport_api",
     "../api/transport:network_control",
     "../api/video_codecs:video_codecs_api",
@@ -341,6 +343,7 @@
       "../modules/rtp_rtcp:rtp_rtcp_format",
       "../modules/utility:mock_process_thread",
       "../modules/video_coding:video_codec_interface",
+      "../modules/video_coding:video_coding",
       "../rtc_base:checks",
       "../rtc_base:rate_limiter",
       "../rtc_base:rtc_base_approved",