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 4fe49e5b9d84485294f4defb3bd020aa6e6faf72..71fa7128bb725dc05c478d7d5c37a6efb483c271 100644
--- a/webrtc/modules/audio_coding/BUILD.gn
+++ b/webrtc/modules/audio_coding/BUILD.gn
@@ -707,12 +707,21 @@ 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/include/audio_network_adaptor.h",
   ]
   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") {
@@ -969,6 +978,13 @@ if (rtc_include_tests) {
   }  # audio_decoder_unittests
 
   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"
+    }
+
     proto_library("neteq_unittest_proto") {
       sources = [
         "neteq/neteq_unittest.proto",