Reland "WebRtcVoiceMediaChannel::AddRecvStream: Don't call SetRecPayloadType"

BUG=webrtc:5805

Review-Url: https://codereview.webrtc.org/2774833003
Cr-Commit-Position: refs/heads/master@{#17391}
diff --git a/webrtc/modules/audio_coding/neteq/neteq_impl.h b/webrtc/modules/audio_coding/neteq/neteq_impl.h
index a8c3462..88c0308 100644
--- a/webrtc/modules/audio_coding/neteq/neteq_impl.h
+++ b/webrtc/modules/audio_coding/neteq/neteq_impl.h
@@ -111,6 +111,8 @@
 
   int GetAudio(AudioFrame* audio_frame, bool* muted) override;
 
+  void SetCodecs(const std::map<int, SdpAudioFormat>& codecs) override;
+
   int RegisterPayloadType(NetEqDecoder codec,
                           const std::string& codec_name,
                           uint8_t rtp_payload_type) override;