!832 swiper控件页面快速滑动切换页面概率性切换失败

Merge pull request !832 from 施其昌/master

frameworks/dock/pointer_input_device.cpp

@@ -314,12 +314,10 @@ void PointerInputDevice::UpdateEventViews(UIView* view)
     // invalid touchable and draggable view will be reset to nullptr
     if ((touchableView_ != nullptr) && RootView::FindSubView(*view, touchableView_)) {
         touchableView_ = nullptr;
-        lastPos_ = curPos_;
     }
 
     if ((draggableView_ != nullptr) && RootView::FindSubView(*view, draggableView_)) {
         draggableView_ = nullptr;
-        lastPos_ = curPos_;
         dragLastPos_ = curPos_;
         dragLen_ = {0, 0};
         dragStep_ = {0, 0};