Adding audio network adaptor to AudioEncoderOpus.

BUG=webrtc:6303

Review-Url: https://codereview.webrtc.org/2362703002
Cr-Commit-Position: refs/heads/master@{#14555}
diff --git a/webrtc/modules/audio_coding/codecs/opus/opus.gypi b/webrtc/modules/audio_coding/codecs/opus/opus.gypi
index 9f6ef3e..36391d2 100644
--- a/webrtc/modules/audio_coding/codecs/opus/opus.gypi
+++ b/webrtc/modules/audio_coding/codecs/opus/opus.gypi
@@ -38,6 +38,7 @@
       ],
       'dependencies': [
         'audio_encoder_interface',
+        'audio_network_adaptor',
       ],
       'sources': [
         'audio_decoder_opus.cc',