Moved creation of AudioDecoderFactory to inside PeerConnectionFactory.

webrtc/DEPS

 # Define rules for which include paths are allowed in our source.
 include_rules = [
   # Base is only used to build Android APK tests and may not be referenced by
   # WebRTC production code.
   "-base",
   "-chromium",
   "+external/webrtc/webrtc",  # Android platform build.
   "+gflags",
   "+libyuv",
   "+testing",
@@ skipping 22 matching lines @@
   "+webrtc/modules/include",
   "+webrtc/test",
   "+webrtc/tools",
 ]
 
 # The below rules will be removed when webrtc: is fixed.
 specific_include_rules = {
   "audio_send_stream\.h": [
     "+webrtc/modules/audio_coding",
   ],
+  "audio_receive_stream\.h": [
+    "+webrtc/modules/audio_coding/codecs/audio_decoder_factory.h",
+  ],
   "video_frame\.h": [
     "+webrtc/common_video",
   ],
   "video_receive_stream\.h": [
     "+webrtc/common_video/include",
     "+webrtc/media/base",
   ],
   "video_send_stream\.h": [
     "+webrtc/common_video/include",
     "+webrtc/media/base",
   ],
 }