Removes unused dependency on RTP/RTCP from loss based controller.

This is part of a series of CLs removing RTP dependencies from GoogCC
implementation.

Bug: webrtc:10749
Change-Id: I73e9402136cc16902d177234d63369938f191e5b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/142223
Reviewed-by: Jonas Olsson <jonasolsson@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28302}

modules/bitrate_controller/BUILD.gn

@@ -36,8 +36,6 @@ rtc_static_library("bitrate_controller") {
     "../../system_wrappers:field_trial",
     "../../system_wrappers:metrics",
     "../remote_bitrate_estimator",
-    "../rtp_rtcp",
-    "../rtp_rtcp:rtp_rtcp_format",
     "//third_party/abseil-cpp/absl/memory",
     "//third_party/abseil-cpp/absl/types:optional",
   ]

modules/bitrate_controller/loss_based_bandwidth_estimation.h

@@ -13,10 +13,10 @@
 
 #include <vector>
 
+#include "api/transport/network_types.h"
 #include "api/units/data_rate.h"
 #include "api/units/time_delta.h"
 #include "api/units/timestamp.h"
-#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "rtc_base/experiments/field_trial_parser.h"
 
 namespace webrtc {

modules/bitrate_controller/send_side_bandwidth_estimation.h

@@ -24,7 +24,6 @@
 #include "api/units/time_delta.h"
 #include "api/units/timestamp.h"
 #include "modules/bitrate_controller/loss_based_bandwidth_estimation.h"
-#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "rtc_base/experiments/field_trial_parser.h"
 
 namespace webrtc {