Summary:
Add note to let users know of the **screen overlay permissions** for the application for a first time run.
Let users know of the **failure to connect** issue also for a first time deployment with a red screen which can be fixed by trying again.
Closes https://github.com/facebook/react-native/pull/10707
Differential Revision: D4184582
fbshipit-source-id: d9a19678b72359547c34109eb118d4aed5c74928