Android4.4-settings系统动画时间修改

一、路径：\frameworks\base\services\java\com\android\server\wm\WindowManagerService

float mWindowAnimationScale =0.5f; //0-0.5-1-1.5对应不同的时间默认值
    float mTransitionAnimationScale = 0.5f;
    float mAnimatorDurationScale = 0.5f;