Reland of move audio/video distinction for probe packets.

webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc

Index: webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc b/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
index 6f0c1250a41d89f2b1dc952aef471a9559592ad2..e2d3da9632adf04b67f32434c4e43244a3d530fb 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
+++ b/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
@@ -95,7 +95,7 @@
     step_ms = std::max<int64_t>(estimator_->TimeUntilNextProcess(), 0);
   }
   estimator_->IncomingPacket(arrival_time_ms, media_packet.payload_size(),
-                             media_packet.header(), true);
+                             media_packet.header());
   clock_.AdvanceTimeMilliseconds(arrival_time_ms - clock_.TimeInMilliseconds());
   ASSERT_TRUE(arrival_time_ms == clock_.TimeInMilliseconds());