Add proper dependencies for webrtc/modules/audio_coding/codecs

webrtc/modules/audio_coding/codecs/interfaces.gypi

Index: webrtc/modules/audio_coding/codecs/interfaces.gypi
diff --git a/webrtc/modules/audio_coding/codecs/interfaces.gypi b/webrtc/modules/audio_coding/codecs/interfaces.gypi
index d4f6a4a41e6ba8402c38ac791a5f198d3fd1b1ba..1aba106f909e3ee4f5cd16c28a985365ddf42af4 100644
--- a/webrtc/modules/audio_coding/codecs/interfaces.gypi
+++ b/webrtc/modules/audio_coding/codecs/interfaces.gypi
@@ -15,6 +15,10 @@
         'audio_decoder.cc',
         'audio_decoder.h',
       ],
+      'dependencies': [
+        '<(webrtc_root)/base/base.gyp:rtc_base_approved',
+        '<(webrtc_root)/common.gyp:webrtc_common',
+      ],
     },
 
     {
@@ -24,6 +28,10 @@
         'audio_encoder.cc',
         'audio_encoder.h',
       ],
+      'dependencies': [
+        '<(webrtc_root)/base/base.gyp:rtc_base_approved',
+        '<(webrtc_root)/common.gyp:webrtc_common',
+      ],
     },
   ],
 }