Log audio network adapter decisions in event log.

webrtc/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h

Index: webrtc/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h
diff --git a/webrtc/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h b/webrtc/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h
index da4b0317f6e450d2836394315760f458015f5011..dd8269337610aab3d2da3bb69947a68498bb9a23 100644
--- a/webrtc/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h
+++ b/webrtc/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h
@@ -21,9 +21,18 @@
 
 namespace webrtc {
 
+namespace audio_network_adaptor {
+namespace debug_dump {
+class EncoderRuntimeConfig;
+}  // namespace debug_dump
+}  // namespace audio_network_adaptor
+
 class DebugDumpWriter {
  public:
   static std::unique_ptr<DebugDumpWriter> Create(FILE* file_handle);
+  static void ConvertEncoderConfigToDumpEntry(
+      const AudioNetworkAdaptor::EncoderRuntimeConfig& config,
+      audio_network_adaptor::debug_dump::EncoderRuntimeConfig* dump_entry);
 
   virtual ~DebugDumpWriter() = default;