Fixing problems in audio_decoder_unittests

The tests did not work in Release mode because of the asserts.

Review URL: https://webrtc-codereview.appspot.com/1062010

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3435 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed