Debug properties of BackdropFilterLayer missed #101102
Description
When debugDumpLayerTree, we found that BackdropFilterLayer's properties are missed.
flutter: │ │ ├─child 6: ClipRectLayer#b154d
flutter: │ │ │ │ engine layer: ClipRectEngineLayer#6c8d6
flutter: │ │ │ │ handles: 2
flutter: │ │ │ │ clipRect: Rect.fromLTRB(39.2, 135.0, 67.2, 162.0)
flutter: │ │ │ │ clipBehavior: Clip.hardEdge
flutter: │ │ │ │
flutter: │ │ │ └─child 1: BackdropFilterLayer#2376b
flutter: │ │ │ │ engine layer: BackdropFilterEngineLayer#75b16
flutter: │ │ │ │ handles: 2
flutter: │ │ │ │
flutter: │ │ │ └─child 1: PictureLayer#788c9
flutter: │ │ │ handles: 1
flutter: │ │ │ paint bounds: Rect.fromLTRB(39.2, 135.0, 67.2, 162.0)
flutter: │ │ │ picture: Picture#81dd7
flutter: │ │ │ raster cache hints: isComplex = false, willChange = false