Prevent warning logs when signaling stats from connectionless sockets.

Signaling per-packet stats invokes GetRemoteAddress and a warning log is
output for each signal in SendTo for UDP sockets. This creates noise in
the debug log.

Bug: webrtc:9103
Change-Id: Ibf4667cf196aef971452f745bef3c02fb1dbf3d4
Reviewed-on: https://webrtc-review.googlesource.com/70364
Commit-Queue: Qingsi Wang <qingsi@google.com>
Reviewed-by: Bjorn Mellem <mellem@webrtc.org>
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22911}
diff --git a/rtc_base/asyncudpsocket.cc b/rtc_base/asyncudpsocket.cc
index c874ee6..d8e60b9 100644
--- a/rtc_base/asyncudpsocket.cc
+++ b/rtc_base/asyncudpsocket.cc
@@ -62,7 +62,7 @@
                          const rtc::PacketOptions& options) {
   rtc::SentPacket sent_packet(options.packet_id, rtc::TimeMillis(),
                               options.info_signaled_after_sent);
-  CopySocketInformationToPacketInfo(cb, *this, &sent_packet.info);
+  CopySocketInformationToPacketInfo(cb, *this, false, &sent_packet.info);
   int ret = socket_->Send(pv, cb);
   SignalSentPacket(this, sent_packet);
   return ret;
@@ -73,7 +73,7 @@
                            const rtc::PacketOptions& options) {
   rtc::SentPacket sent_packet(options.packet_id, rtc::TimeMillis(),
                               options.info_signaled_after_sent);
-  CopySocketInformationToPacketInfo(cb, *this, &sent_packet.info);
+  CopySocketInformationToPacketInfo(cb, *this, true, &sent_packet.info);
   sent_packet.info.remote_socket_address = addr;
   int ret = socket_->SendTo(pv, cb, addr);
   SignalSentPacket(this, sent_packet);