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

webrtc/logging/rtc_event_log/rtc_event_log_parser.cc

Index: webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc b/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
index a7237ee8511507228ee026a08e7440f522138976..d13ed9ac245f1522c7f4c4bcbd4ad881946a0243 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
+++ b/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
@@ -74,6 +74,8 @@ ParsedRtcEventLog::EventType GetRuntimeEventType(
       return ParsedRtcEventLog::EventType::BWE_PROBE_CLUSTER_CREATED_EVENT;
     case rtclog::Event::BWE_PROBE_RESULT_EVENT:
       return ParsedRtcEventLog::EventType::BWE_PROBE_RESULT_EVENT;
+    case rtclog::Event::HOST_LOOKUP_EVENT:
+      return ParsedRtcEventLog::EventType::HOST_LOOKUP_EVENT;
   }
   RTC_NOTREACHED();
   return ParsedRtcEventLog::EventType::UNKNOWN_EVENT;