Revert of Remove audio/video distinction for probe packets.

webrtc/modules/congestion_controller/delay_based_bwe.cc

Index: webrtc/modules/congestion_controller/delay_based_bwe.cc
diff --git a/webrtc/modules/congestion_controller/delay_based_bwe.cc b/webrtc/modules/congestion_controller/delay_based_bwe.cc
index 3a9537ee3e6275b382ee27a786b04db72ac4f3a9..27cbf015d85f6f84fa5c9a547ff80b146fd7a3b9 100644
--- a/webrtc/modules/congestion_controller/delay_based_bwe.cc
+++ b/webrtc/modules/congestion_controller/delay_based_bwe.cc
@@ -198,14 +198,15 @@
   for (const auto& packet_info : packet_feedback_vector) {
     IncomingPacketInfo(packet_info.arrival_time_ms,
                        ConvertMsTo24Bits(packet_info.send_time_ms),
-                       packet_info.payload_size, 0,
+                       packet_info.payload_size, 0, packet_info.was_paced,
                        packet_info.probe_cluster_id);
   }
 }
 
 void DelayBasedBwe::IncomingPacket(int64_t arrival_time_ms,
                                    size_t payload_size,
-                                   const RTPHeader& header) {
+                                   const RTPHeader& header,
+                                   bool was_paced) {
   RTC_DCHECK(network_thread_.CalledOnValidThread());
   if (!header.extension.hasAbsoluteSendTime) {
     // NOTE! The BitrateEstimatorTest relies on this EXACT log line.
@@ -214,12 +215,14 @@
     return;
   }
   IncomingPacketInfo(arrival_time_ms, header.extension.absoluteSendTime,
-                     payload_size, header.ssrc, PacketInfo::kNotAProbe);
+                     payload_size, header.ssrc, was_paced,
+                     PacketInfo::kNotAProbe);
 }
 
 void DelayBasedBwe::IncomingPacket(int64_t arrival_time_ms,
                                    size_t payload_size,
                                    const RTPHeader& header,
+                                   bool was_paced,
                                    int probe_cluster_id) {
   RTC_DCHECK(network_thread_.CalledOnValidThread());
   if (!header.extension.hasAbsoluteSendTime) {
@@ -229,13 +232,14 @@
     return;
   }
   IncomingPacketInfo(arrival_time_ms, header.extension.absoluteSendTime,
-                     payload_size, header.ssrc, probe_cluster_id);
+                     payload_size, header.ssrc, was_paced, probe_cluster_id);
 }
 
 void DelayBasedBwe::IncomingPacketInfo(int64_t arrival_time_ms,
                                        uint32_t send_time_24bits,
                                        size_t payload_size,
                                        uint32_t ssrc,
+                                       bool was_paced,
                                        int probe_cluster_id) {
   assert(send_time_24bits < (1ul << 24));
   // Shift up send time to use the full 32 bits that inter_arrival works with,