setSelectedItemPosition() bug反馈

[sunxu914]

发现一个小的bug，调用完setSelectedItemPosition()后setOnItemSelectedListener()监听接口并没有接收到变化的回调！

[yezishu]

add code in setSelectedItemPosition method
if(mOnItemSelectedListener!=null){ mOnItemSelectedListener.onItemSelected(this, mData.get(position), position); }