Relanding of "Adding debug dump to audio network adaptor."

webrtc/modules/audio_coding/BUILD.gn

Index: webrtc/modules/audio_coding/BUILD.gn
diff --git a/webrtc/modules/audio_coding/BUILD.gn b/webrtc/modules/audio_coding/BUILD.gn
index eaf2e747f8f08163471509d3ffaf2dcc9f01e47e..a69206eaa2e7517da6cf65b1f4511aa052416014 100644
--- a/webrtc/modules/audio_coding/BUILD.gn
+++ b/webrtc/modules/audio_coding/BUILD.gn
@@ -696,6 +696,15 @@ rtc_source_set("webrtc_opus") {
   }
 }
 
+if (rtc_enable_protobuf) {
+  proto_library("ana_debug_dump_proto") {
+    sources = [
+      "audio_network_adaptor/debug_dump.proto",
+    ]
+    proto_out_dir = "webrtc/modules/audio_coding/audio_network_adaptor"
+  }
+}
+
 source_set("audio_network_adaptor") {
   sources = [
     "audio_network_adaptor/audio_network_adaptor.cc",
@@ -709,6 +718,8 @@ source_set("audio_network_adaptor") {
     "audio_network_adaptor/controller.h",
     "audio_network_adaptor/controller_manager.cc",
     "audio_network_adaptor/controller_manager.h",
+    "audio_network_adaptor/debug_dump_writer.cc",
+    "audio_network_adaptor/debug_dump_writer.h",
     "audio_network_adaptor/dtx_controller.cc",
     "audio_network_adaptor/dtx_controller.h",
     "audio_network_adaptor/fec_controller.cc",
@@ -721,6 +732,13 @@ source_set("audio_network_adaptor") {
   ]
   configs += [ "../..:common_config" ]
   public_configs = [ "../..:common_inherited_config" ]
+
+  if (rtc_enable_protobuf) {
+    deps = [
+      ":ana_debug_dump_proto",
+    ]
+    defines = [ "WEBRTC_AUDIO_NETWORK_ADAPTOR_DEBUG_DUMP" ]
+  }
 }
 
 config("neteq_config") {