I don’t think its Googles intent to push Sketch as the go to Design tool. Why should they do that? As Studio is still in beta AND they are also working on a Market Place for plugins and extensions Google might just roll out the plugin for Studio in the future.
Google wants to rule the market and they’re doing a great job in convincing people using their tools, but I don’t think invision should be worried, as i think Google will want to use Studio to broaden their influence.