egret播放龙骨补间序列帧动画

let armature: DragonBonesArmature = App.DragonBonesFactory.makeArmature("MovieClip", hitEff);
armature.play("newAnimation", effData.hitPlayWhile);
App.DisplayUtils.addChild(armature, this.grpEff);

创建使用MovieClip，播放时播放newAnimation