Test upload to see if the ADM is passed correctly to audio_state.

webrtc/audio/audio_state_unittest.cc

Index: webrtc/audio/audio_state_unittest.cc
diff --git a/webrtc/audio/audio_state_unittest.cc b/webrtc/audio/audio_state_unittest.cc
index 882766f5157c9ed4d174dde2698bba6d03e1c50e..ac544af48416a6bc6c1521f2cae42409fa47df3a 100644
--- a/webrtc/audio/audio_state_unittest.cc
+++ b/webrtc/audio/audio_state_unittest.cc
@@ -25,6 +25,8 @@ struct ConfigHelper {
         RegisterVoiceEngineObserver(testing::_)).WillOnce(testing::Return(0));
     EXPECT_CALL(voice_engine_,
         DeRegisterVoiceEngineObserver()).WillOnce(testing::Return(0));
+    EXPECT_CALL(voice_engine_, audio_transport())
+        .WillOnce(testing::Return(nullptr));
     config_.voice_engine = &voice_engine_;
   }
   AudioState::Config& config() { return config_; }