Create MediaRouteDynamicControllerDialog #19
Description
See the corresponding TODO: https://github.com/SRGSSR/androidx-mediarouter-compose/blob/1e85fdde2543648a9f5f63ebdd240cb96a8fb9e7/mediarouter-compose/src/main/java/ch/srgssr/androidx/mediarouter/compose/MediaRouteButton.kt#L71-L72
And the reference class in AndroidX MediaRouter: https://github.com/androidx/androidx/blob/androidx-main/mediarouter/mediarouter/src/main/java/androidx/mediarouter/app/MediaRouteDynamicControllerDialog.java