Revert of Remove various IDs

modules/audio_mixer/frame_combiner_unittest.cc

Index: modules/audio_mixer/frame_combiner_unittest.cc
diff --git a/modules/audio_mixer/frame_combiner_unittest.cc b/modules/audio_mixer/frame_combiner_unittest.cc
index 490e99e495401ae4329ffea04db098ea7df074fd..568143608c337876d7b7c6325f6b5d756aedd28e 100644
--- a/modules/audio_mixer/frame_combiner_unittest.cc
+++ b/modules/audio_mixer/frame_combiner_unittest.cc
@@ -53,7 +53,8 @@
 
 void SetUpFrames(int sample_rate_hz, int number_of_channels) {
   for (auto* frame : {&frame1, &frame2}) {
-    frame->UpdateFrame(0, nullptr, rtc::CheckedDivExact(sample_rate_hz, 100),
+    frame->UpdateFrame(-1, 0, nullptr,
+                       rtc::CheckedDivExact(sample_rate_hz, 100),
                        sample_rate_hz, AudioFrame::kNormalSpeech,
                        AudioFrame::kVadActive, number_of_channels);
   }