发送灯光提前；测试版本；过后，需rollback

lizhanwei

2021-05-18 f2f011cda4910c7c0f40c2d960f313a99dd9b672

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package com.anyun.exam.lib.util;
 
public interface BluetoothChatServiceCallback {
    void iDataComeIn(byte[] data, int length);
}