Add Windows, Mac, Android support to low bandwidth audio test

webrtc/audio/test/low_bandwidth_audio_test.cc

Index: webrtc/audio/test/low_bandwidth_audio_test.cc
diff --git a/webrtc/audio/test/low_bandwidth_audio_test.cc b/webrtc/audio/test/low_bandwidth_audio_test.cc
index c1b1a02235610b51cfa708aa934eb6183ccc3275..0a0537c069cf14d99a6cba50c6641c0a66d1da60 100644
--- a/webrtc/audio/test/low_bandwidth_audio_test.cc
+++ b/webrtc/audio/test/low_bandwidth_audio_test.cc
@@ -107,7 +107,7 @@ void AudioQualityTest::OnTestFinished() {
 
   // Output information about the input and output audio files so that further
   // processing can be done by an external process.
-  printf("TEST %s %s:%s\n", test_info->name(),
+  printf("TEST %s %s %s\n", test_info->name(),
          AudioInputFile().c_str(), AudioOutputFile().c_str());
 }