Add 120ms frame ability to ANA

webrtc/media/engine/webrtcvoiceengine.cc

Index: webrtc/media/engine/webrtcvoiceengine.cc
diff --git a/webrtc/media/engine/webrtcvoiceengine.cc b/webrtc/media/engine/webrtcvoiceengine.cc
index 1ed1e8b9934741a8767ae0d1c81c4fd92aa51946..65a238f3db7924c6e6d415e6580f9d0024aae64c 100644
--- a/webrtc/media/engine/webrtcvoiceengine.cc
+++ b/webrtc/media/engine/webrtcvoiceengine.cc
@@ -1478,7 +1478,11 @@ class WebRtcVoiceMediaChannel::WebRtcAudioSendStream
           // The adaptor will only be active for the Opus encoder.
           if (config_.audio_network_adaptor_config &&
               IsCodec(config_.send_codec_spec.codec_inst, kOpusCodecName)) {
+#if WEBRTC_OPUS_SUPPORT_120MS_PTIME
+            max_packet_size_ms = 120;
+#else
             max_packet_size_ms = 60;
+#endif
             min_packet_size_ms = 20;
           }