protected void store2DBounds() {
        mOldLeft = getLeft();
        mOldTop = getTop();
        mOldRight = getRight();
        mOldBottom = getBottom();
    }
Explicitly call setMaterials again with mMaterials. Allows children who override
setMaterials to modify them.
android/viro_bridge/src/main/java/com/viromedia/bridge/component/node/VRTNode.java