Fix cyclic deps: rent_a_codec<->audio_coding and rent_a_codec<->neteq

webrtc/modules/audio_coding/acm2/acm_receiver.cc

Index: webrtc/modules/audio_coding/acm2/acm_receiver.cc
diff --git a/webrtc/modules/audio_coding/acm2/acm_receiver.cc b/webrtc/modules/audio_coding/acm2/acm_receiver.cc
index 1577d2ded644c98744974a0faa996ebca2fe96e3..21dbc747ecb77302b6a4fae0ffbe70a93e906b37 100644
--- a/webrtc/modules/audio_coding/acm2/acm_receiver.cc
+++ b/webrtc/modules/audio_coding/acm2/acm_receiver.cc
@@ -27,6 +27,7 @@
 #include "webrtc/modules/audio_coding/neteq/include/neteq.h"
 #include "webrtc/system_wrappers/include/clock.h"
 #include "webrtc/system_wrappers/include/trace.h"
+#include "webrtc/modules/audio_coding/acm2/rent_a_codec.h"
 
 namespace webrtc {
 
@@ -199,7 +200,7 @@ int32_t AcmReceiver::AddCodec(int acm_codec_id,
     return *ned;
   }();
   const rtc::Optional<SdpAudioFormat> new_format =
-      RentACodec::NetEqDecoderToSdpAudioFormat(neteq_decoder);
+      NetEqDecoderToSdpAudioFormat(neteq_decoder);
 
   rtc::CritScope lock(&crit_sect_);