Hooked up RtcEventLog. It lives in Voice Engine and pointers are propagated to ACM and Call.

webrtc/voice_engine/test/cmd_test/voe_cmd_test.cc

Index: webrtc/voice_engine/test/cmd_test/voe_cmd_test.cc
diff --git a/webrtc/voice_engine/test/cmd_test/voe_cmd_test.cc b/webrtc/voice_engine/test/cmd_test/voe_cmd_test.cc
index ee9306dd834abde94310c205d587aee984a17592..bb524639ed0768d9ef9758a7d8ae82f1ca6422fb 100644
--- a/webrtc/voice_engine/test/cmd_test/voe_cmd_test.cc
+++ b/webrtc/voice_engine/test/cmd_test/voe_cmd_test.cc
@@ -25,6 +25,7 @@
 #include "webrtc/test/channel_transport/include/channel_transport.h"
 #include "webrtc/test/testsupport/fileutils.h"
 #include "webrtc/test/testsupport/trace_to_stderr.h"
+#include "webrtc/video/rtc_event_log.h"
 #include "webrtc/voice_engine/include/voe_audio_processing.h"
 #include "webrtc/voice_engine/include/voe_base.h"
 #include "webrtc/voice_engine/include/voe_codec.h"
@@ -451,7 +452,8 @@ void RunTest(std::string out_path) {
       printf("%i. Toggle Opus DTX \n", option_index++);
       printf("%i. Set bit rate (only take effect on codecs that allow the "
              "change) \n", option_index++);
-      printf("%i. Toggle debug recording \n", option_index++);
+      printf("%i. Toggle AECdump recording \n", option_index++);
+      printf("%i. Record RtcEventLog file of 30 seconds \n", option_index++);
 
       printf("Select action or %i to stop the call: ", option_index);
       int option_selection;
@@ -798,6 +800,9 @@ void RunTest(std::string out_path) {
           printf("Debug recording named %s started\n", kDebugFileName);
         }
         debug_recording_started = !debug_recording_started;
+      } else if (option_selection == option_index++) {
+        const char* kDebugFileName = "eventlog.rel";
+        codec->GetEventLog()->StartLogging(kDebugFileName, 30000);
       } else {
         break;
       }