[RN] Move all mobile only features to a subdirectory

react/features/app/components/App.native.js

 
 import { Linking } from 'react-native';
 
-import '../../audio-mode';
-import '../../background';
 import { Platform } from '../../base/react';
-import '../../full-screen';
-import '../../wake-lock';
+import '../../mobile/audio-mode';
+import '../../mobile/background';
+import '../../mobile/full-screen';
+import '../../mobile/wake-lock';
 
 import { AbstractApp } from './AbstractApp';
 

react/features/audio-mode/middleware.js → react/features/mobile/audio-mode/middleware.js

 
 import { NativeModules } from 'react-native';
 
-import { APP_WILL_MOUNT } from '../app';
+import { APP_WILL_MOUNT } from '../../app';
 import {
     CONFERENCE_FAILED,
     CONFERENCE_LEFT,
     CONFERENCE_WILL_JOIN
-} from '../base/conference';
-import { MiddlewareRegistry } from '../base/redux';
+} from '../../base/conference';
+import { MiddlewareRegistry } from '../../base/redux';
 
 /**
  * Middleware that captures conference actions and sets the correct audio mode

react/features/background/actionTypes.js → react/features/mobile/background/actionTypes.js

-import { Symbol } from '../base/react';
+import { Symbol } from '../../base/react';
 
 /**
  * The type of redux action to set the AppState API change event listener.

react/features/background/actions.js → react/features/mobile/background/actions.js

-import { setVideoMuted } from '../base/media';
+import { setVideoMuted } from '../../base/media';
 
 import {
     _SET_APP_STATE_LISTENER,

react/features/background/middleware.js → react/features/mobile/background/middleware.js

 import {
     APP_WILL_MOUNT,
     APP_WILL_UNMOUNT
-} from '../app';
-import { MiddlewareRegistry } from '../base/redux';
+} from '../../app';
+import { MiddlewareRegistry } from '../../base/redux';
 
 import {
     _setAppStateListener,

react/features/background/reducer.js → react/features/mobile/background/reducer.js

-import { ReducerRegistry } from '../base/redux';
+import { ReducerRegistry } from '../../base/redux';
 
 import {
     _SET_APP_STATE_LISTENER,

react/features/full-screen/middleware.js → react/features/mobile/full-screen/middleware.js

     CONFERENCE_FAILED,
     CONFERENCE_LEFT,
     CONFERENCE_WILL_JOIN
-} from '../base/conference';
-import { Platform } from '../base/react';
-import { MiddlewareRegistry } from '../base/redux';
+} from '../../base/conference';
+import { Platform } from '../../base/react';
+import { MiddlewareRegistry } from '../../base/redux';
 
 /**
  * Middleware that captures conference actions and activates or deactivates the

react/features/wake-lock/middleware.js → react/features/mobile/wake-lock/middleware.js

     CONFERENCE_FAILED,
     CONFERENCE_JOINED,
     CONFERENCE_LEFT
-} from '../base/conference';
-import { MiddlewareRegistry } from '../base/redux';
+} from '../../base/conference';
+import { MiddlewareRegistry } from '../../base/redux';
 
 /**
  * Middleware that captures conference actions and activates or deactivates the