Use separate rtp module lists for send and receive in PacketRouter.

webrtc/audio/audio_receive_stream_unittest.cc

Index: webrtc/audio/audio_receive_stream_unittest.cc
diff --git a/webrtc/audio/audio_receive_stream_unittest.cc b/webrtc/audio/audio_receive_stream_unittest.cc
index b241bed6b51e259c8e095e449bb5d150485a0433..fd88fc83df34f6084378f4b93975b3eb975f28d4 100644
--- a/webrtc/audio/audio_receive_stream_unittest.cc
+++ b/webrtc/audio/audio_receive_stream_unittest.cc
@@ -94,13 +94,12 @@ struct ConfigHelper {
           EXPECT_CALL(*channel_proxy_, EnableReceiveTransportSequenceNumber(
                                            kTransportSequenceNumberId))
               .Times(1);
-          EXPECT_CALL(*channel_proxy_, SetCongestionControlObjects(
-                                           nullptr, nullptr, &packet_router_))
+          EXPECT_CALL(*channel_proxy_,
+                      RegisterReceiverCongestionControlObjects(&packet_router_))
               .Times(1);
           EXPECT_CALL(congestion_controller_, packet_router())
               .WillOnce(Return(&packet_router_));
-          EXPECT_CALL(*channel_proxy_,
-                      SetCongestionControlObjects(nullptr, nullptr, nullptr))
+          EXPECT_CALL(*channel_proxy_, ResetCongestionControlObjects())
               .Times(1);
           return channel_proxy_;
         }));