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 b9a725b0a0519bce6ccd006dd1d6ed4ec3de6378..aecda2b9b338b69f0ff25653c16f40e85abbfe73 100644
--- a/webrtc/media/engine/webrtcvoiceengine.cc
+++ b/webrtc/media/engine/webrtcvoiceengine.cc
@@ -1473,7 +1473,11 @@ 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;
           }