AmfArray 实现有bug.

[bigtrouble]

应该add dataItem . 却 add this.

https://github.com/EricLi22/AndroidMultiMedia/blob/47256b0b06d6797a5541c3679c8b2f1699844ee3/rtmpfile/src/main/java/com/wangheart/rtmpfile/flv/amf/AmfArray.java#L87