openSlesDemo是自研APK，用于调试android终端的音频采集、播放的参数；
采集参数：
1、SL_ANDROID_RECORDING_PRESET_NONE
2、SL_ANDROID_RECORDING_PRESET_GENERIC
3、SL_ANDROID_RECORDING_PRESET_CAMCORDER
4、SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION
5、SL_ANDROID_RECORDING_PRESET_VOICE_CO
