Offset IceCandidatePairEventType enum in event log visualizer

Bug: NONE
Change-Id: I17b586702d02a49917e707788caf091955c9357c
Reviewed-on: https://webrtc-review.googlesource.com/c/112723
Reviewed-by: Qingsi Wang <qingsi@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Zach Stein <zstein@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25896}
diff --git a/rtc_tools/event_log_visualizer/analyzer.cc b/rtc_tools/event_log_visualizer/analyzer.cc
index 3bdfbf3..9c0a1d6 100644
--- a/rtc_tools/event_log_visualizer/analyzer.cc
+++ b/rtc_tools/event_log_visualizer/analyzer.cc
@@ -1961,7 +1961,9 @@
           LineStyle::kNone, PointStyle::kHighlight);
     }
     float x = ToCallTimeSec(event.log_time_us());
-    float y = static_cast<float>(event.type);
+    constexpr int kIceCandidatePairEventTypeOffset =
+        static_cast<int>(IceCandidatePairConfigType::kNumValues);
+    float y = static_cast<float>(event.type) + kIceCandidatePairEventTypeOffset;
     checks_by_cp_id[event.candidate_pair_id].points.emplace_back(x, y);
   }