ref(types): use IntervalID and TimeoutID types defined by flow

react/features/base/jwt/components/CalleeInfo.js

 
     _onLargeVideoAvatarVisible: Function;
 
-    _playAudioInterval: *;
+    _playAudioInterval: ?IntervalID;
 
-    _ringingTimeout: *;
+    _ringingTimeout: ?TimeoutID;
 
     _setAudio: Function;
 

react/features/calendar-sync/components/ConferenceNotification.native.js

  * screen when another meeting is about to start.
  */
 class ConferenceNotification extends Component<Props, State> {
-    updateIntervalId: *;
+    updateIntervalId: IntervalID;
 
     /**
      * Constructor of the ConferenceNotification component.

react/features/overlay/components/AbstractPageReloadOverlay.js

                 || configError);
     }
 
-    _interval: *;
+    _interval: ?IntervalID;
 
     state: {
 

react/features/recording/components/RecordingLabel.web.js

  * @extends {Component}
  */
 class RecordingLabel extends AbstractRecordingLabel<Props, State> {
-    _autohideTimeout: *;
+    _autohideTimeout: TimeoutID;
 
     state = {
         hidden: false

react/features/speaker-stats/components/SpeakerStats.js

         stats: {}
     };
 
-    _updateInterval: *;
+    _updateInterval: IntervalID;
 
     /**
      * Initializes a new SpeakerStats instance.