Bugfix: Fix declaration order in `ParsedRtcEventLogBuilder`

The previous order was reversed, and might lead to crashes if ::Build()
wasn't called.

Bug: b/423646186
Change-Id: Ie9a167d2785cd0c18e7534812fa05433153dfc5a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/481340
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Auto-Submit: Rasmus Brandt <brandtr@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#47998}

video/timing/simulator/test/parsed_rtc_event_log_builder.cc

diff --git a/video/timing/simulator/test/parsed_rtc_event_log_builder.cc b/video/timing/simulator/test/parsed_rtc_event_log_builder.cc
index 4e23453..ebb9a78 100644
--- a/video/timing/simulator/test/parsed_rtc_event_log_builder.cc
+++ b/video/timing/simulator/test/parsed_rtc_event_log_builder.cc
@@ -71,8 +71,8 @@
     : log_clock_(Timestamp::Seconds(10000)),
       log_env_(CreateTestEnvironment(
           CreateTestEnvironmentOptions{.time = &log_clock_})),
-      log_(RtcEventLogFactory().Create(log_env_)),
-      parsed_log_(nullptr) {
+      parsed_log_(nullptr),
+      log_(RtcEventLogFactory().Create(log_env_)) {
   log_->StartLogging(std::make_unique<ParsingRtcEventLogOutput>(
                          [this](std::unique_ptr<ParsedRtcEventLog> parsed_log) {
                            parsed_log_ = std::move(parsed_log);

video/timing/simulator/test/parsed_rtc_event_log_builder.h

diff --git a/video/timing/simulator/test/parsed_rtc_event_log_builder.h b/video/timing/simulator/test/parsed_rtc_event_log_builder.h
index b54a1de..43e0f1d 100644
--- a/video/timing/simulator/test/parsed_rtc_event_log_builder.h
+++ b/video/timing/simulator/test/parsed_rtc_event_log_builder.h
@@ -64,8 +64,8 @@
   // the simulation.
   SimulatedClock log_clock_;
   const Environment log_env_;
-  std::unique_ptr<RtcEventLog> log_;
   std::unique_ptr<ParsedRtcEventLog> parsed_log_;
+  std::unique_ptr<RtcEventLog> log_;
 };
 
 }  // namespace webrtc::video_timing_simulator