Reduce some FlexFEC logging severity.

webrtc/modules/rtp_rtcp/source/flexfec_receiver.cc

Index: webrtc/modules/rtp_rtcp/source/flexfec_receiver.cc
diff --git a/webrtc/modules/rtp_rtcp/source/flexfec_receiver.cc b/webrtc/modules/rtp_rtcp/source/flexfec_receiver.cc
index 204ce84d2a56e5d01850f5994cb4c79c25c718d2..80f5b1f3b62a2a29f8ed24d3faa0b8d9689f55a6 100644
--- a/webrtc/modules/rtp_rtcp/source/flexfec_receiver.cc
+++ b/webrtc/modules/rtp_rtcp/source/flexfec_receiver.cc
@@ -142,8 +142,8 @@ bool FlexfecReceiver::ProcessReceivedPackets() {
     if (now_ms - last_recovered_packet_ms_ > kPacketLogIntervalMs) {
       uint32_t media_ssrc =
           ForwardErrorCorrection::ParseSsrc(recovered_packet->pkt->data);
-      LOG(LS_INFO) << "Recovered media packet with SSRC: " << media_ssrc
-                   << " from FlexFEC stream with SSRC: " << ssrc_ << ".";
+      LOG(LS_VERBOSE) << "Recovered media packet with SSRC: " << media_ssrc
+                      << " from FlexFEC stream with SSRC: " << ssrc_ << ".";
       last_recovered_packet_ms_ = now_ms;
     }
   }