Bug 1229475 - webrtc: Call opus tonality_analysis_init. r=jesup

This activates the asm optimizations in libopus 1.1.1 and later.

media/webrtc/trunk/webrtc/modules/audio_coding/neteq/audio_classifier.cc

@@ -30,9 +30,9 @@ AudioClassifier::AudioClassifier()
       // to be deleted.
       celt_mode_(opus_custom_mode_create(kDefaultSampleRateHz,
                                          kDefaultFrameSizeSamples,
-                                         NULL)),
-      analysis_state_() {
+                                         NULL)) {
   assert(celt_mode_);
+  tonality_analysis_init(&analysis_state_);
 }
 
 AudioClassifier::~AudioClassifier() {}