Adding AudioNetworkAdaptor interfaces.

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 db97e24d014273d65c5f38b6cf8296c9a7462454..83fd72f4e92665ab30ea2732c450009beb81d628 100644
--- a/webrtc/modules/audio_coding/BUILD.gn
+++ b/webrtc/modules/audio_coding/BUILD.gn
@@ -127,6 +127,7 @@ rtc_source_set("audio_coding") {
   }
 
   deps = audio_coding_deps + [
+           ":audio_network_adaptor",
            ":neteq",
            ":rent_a_codec",
            "../..:rtc_event_log",
@@ -759,6 +760,15 @@ rtc_source_set("webrtc_opus") {
   }
 }
 
+source_set("audio_network_adaptor") {
+  sources = [
+    "audio_network_adaptor/audio_network_adaptor.cc",
+    "audio_network_adaptor/include/audio_network_adaptor.h",
+  ]
+  configs += [ "../..:common_config" ]
+  public_configs = [ "../..:common_inherited_config" ]
+}
+
 config("neteq_config") {
   include_dirs = [
     # Need Opus header files for the audio classifier.