Show iOS version in launcher

Summary:
A little hacky because we currently have too many implementations for getting devices but lblasa is working on cleaning this up. Once that's done, we should add some tests for this.

Changelog: Show the iOS version of simulators in the launcher window

Reviewed By: lblasa

Differential Revision: D48777923

fbshipit-source-id: 18846520feba8eb10b6417f87bd802ffaabb1dff

desktop/flipper-common/src/server-types.tsx

@@ -176,6 +176,7 @@ export type IOSDeviceParams = {
   udid: string;
   type: DeviceType;
   name: string;
+  osVersion?: string;
   deviceTypeIdentifier?: string;
   state?: string;
 };