Added non-SIMD test to ZeroCrossings
Added non-SIMD test to ZeroCrossings

Change-Id: I28e0059d9a430235fc68186c939420b199b10f66

vmarkovtsev/veles.sound_feature_extraction,Samsung/veles.sound_feature_extraction,vmarkovtsev/veles.sound_feature_extraction,Samsung/veles.sound_feature_extraction,Samsung/veles.sound_feature_extraction,vmarkovtsev/veles.sound_feature_extraction,Samsung/veles.sound_feature_extraction,vmarkovtsev/veles.sound_feature_extraction