Added new WebRTC stat: Recent maximum of detected echo likelihood

content/renderer/media/media_stream_audio_processor_options.cc

Index: content/renderer/media/media_stream_audio_processor_options.cc
diff --git a/content/renderer/media/media_stream_audio_processor_options.cc b/content/renderer/media/media_stream_audio_processor_options.cc
index 466ae9d50ba3241727b8cf15b335031d66d219ab..cc5d7662a04b08b92a730de977c1c5db671e278e 100644
--- a/content/renderer/media/media_stream_audio_processor_options.cc
+++ b/content/renderer/media/media_stream_audio_processor_options.cc
@@ -467,6 +467,8 @@ void GetAudioProcessingStats(
   stats->echo_delay_std_ms = apm_stats.delay_standard_deviation;
 
   stats->residual_echo_likelihood = apm_stats.residual_echo_likelihood;
+  stats->residual_echo_likelihood_recent_max =
+      apm_stats.residual_echo_likelihood_recent_max;
 }
 
 std::vector<webrtc::Point> GetArrayGeometryPreferringConstraints(