Adding android typings for API levels from 17 to 27
BREAKING CHANGES:
There is no longer added `I` prefix in the names of the interfaces. For example `android.view.IMenuItem` is now `android.view.MenuItem`. This matches the original name of the interface in the android framework.
* feat: add option to set a different root view at run time
* feat: expose application getRootView method
* refactor: Introduce ViewEntry interface
* fix: Respect root view rturned from launch event in Android
* refactor: getRootView() code + caching root view per activity.
* refactor: add app-root.xml in apps
* refactor: http test made async
