fix(RTC): Add function declaration to JitsiTrack.

RN clients throw a function undefined error otherwise.

modules/RTC/JitsiTrack.js

@@ -407,6 +407,16 @@ export default class JitsiTrack extends EventEmitter {
         return null;
     }
 
+    /**
+     * Returns the streaming status of the track.
+     *
+     * @returns {string} the streaming status <tt>TrackStreamingStatus</tt> of the track. Returns null if
+-    * trackStreamingStatusImpl hasn't been initialized.
+     */
+    getTrackStreamingStatus() {
+        // Should be defined by the classes that are extending JitsiTrack.
+    }
+
     /**
      * Checks whether the MediaStream is active/not ended.
      * When there is no check for active we don't have information and so

types/auto/modules/RTC/JitsiRemoteTrack.d.ts

@@ -143,15 +143,6 @@ export default class JitsiRemoteTrack extends JitsiTrack {
      * @param {string} state the current track streaming state. {@link TrackStreamingStatus}.
      */
     _setTrackStreamingStatus(status: any): void;
-    /**
-     * Returns track's streaming status.
-     *
-     * @returns {string} the streaming status <tt>TrackStreamingStatus</tt> of the track. Returns null
-     * if trackStreamingStatusImpl hasn't been initialized.
-     *
-     * {@link TrackStreamingStatus}.
-     */
-    getTrackStreamingStatus(): string;
     /**
      * Clears the timestamp of when the track entered forwarded sources.
      */

types/auto/modules/RTC/JitsiTrack.d.ts

@@ -206,6 +206,13 @@ export default class JitsiTrack extends EventEmitter {
      * @returns {string|null} id of the track or null if this is fake track.
      */
     getId(): string | null;
+    /**
+     * Returns the streaming status of the track.
+     *
+     * @returns {string} the streaming status <tt>TrackStreamingStatus</tt> of the track. Returns null if
+-    * trackStreamingStatusImpl hasn't been initialized.
+     */
+    getTrackStreamingStatus(): string;
     /**
      * Checks whether the MediaStream is active/not ended.
      * When there is no check for active we don't have information and so