logging: Fix RFC 8888 congestion control feedback reordering parsing

Bug: webrtc:515090595
Change-Id: I4b52333ac07c82b48d806b155492f81a170488a7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/474481
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Auto-Submit: Per Kjellander <perkj@webrtc.org>
Commit-Queue: Björn Terelius <terelius@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#47762}

logging/rtc_event_log/rtc_event_log_parser.cc

diff --git a/logging/rtc_event_log/rtc_event_log_parser.cc b/logging/rtc_event_log/rtc_event_log_parser.cc
index 2c4439b..8bab26d 100644
--- a/logging/rtc_event_log/rtc_event_log_parser.cc
+++ b/logging/rtc_event_log/rtc_event_log_parser.cc
@@ -2600,7 +2600,7 @@
                 : TimeDelta::Zero();
         last_feedback_compact_ntp_time_ =
             feedback.report_timestamp_compact_ntp();
-        if (feedback_delta < TimeDelta::Zero()) {
+        if (feedback_delta < TimeDelta::Millis(-500)) {
           RTC_LOG(LS_WARNING)
               << "Unexpected feedback ntp time delta " << feedback_delta << ".";
           ccfb_feedback_offset = log_feedback_time;