fix:1、assetsAudioPlayer.open api set autoStart and playSpeed is not work     2、playSpeed = 0.5 distortion of sound
fix:1、assetsAudioPlayer.open api set autoStart and playSpeed is not work
    2、playSpeed = 0.5 distortion of sound

florent37/Flutter-AssetsAudioPlayer,florent37/Flutter-AssetsAudioPlayer,florent37/Flutter-AssetsAudioPlayer,florent37/Flutter-AssetsAudioPlayer,florent37/Flutter-AssetsAudioPlayer,florent37/Flutter-AssetsAudioPlayer