Add logging of host lookups made by TurnPort to the RtcEventLog.

webrtc/rtc_tools/event_log_visualizer/analyzer.cc

Index: webrtc/rtc_tools/event_log_visualizer/analyzer.cc
diff --git a/webrtc/rtc_tools/event_log_visualizer/analyzer.cc b/webrtc/rtc_tools/event_log_visualizer/analyzer.cc
index 593a3b8bf72def0728a32feb579d62ab953cd50e..308de0a2c91acadf7c3a091eef11e36719e7d392 100644
--- a/webrtc/rtc_tools/event_log_visualizer/analyzer.cc
+++ b/webrtc/rtc_tools/event_log_visualizer/analyzer.cc
@@ -509,6 +509,10 @@ EventLogAnalyzer::EventLogAnalyzer(const ParsedRtcEventLog& log)
         bwe_probe_result_events_.push_back(parsed_log_.GetBweProbeResult(i));
         break;
       }
+      case ParsedRtcEventLog::HOST_LOOKUP_EVENT: {
+        // TODO(jonaso): What to do ??
+        break;
+      }
       case ParsedRtcEventLog::UNKNOWN_EVENT: {
         break;
       }