Update api-extractor md

Author: robwalch

api-extractor/report/hls.js.api.md

@@ -234,7 +234,9 @@ export class BasePlaylistController implements NetworkComponentAPI {
     // (undocumented)
     protected requestScheduled: number;
     // (undocumented)
-    protected shouldLoadPlaylist(playlist: Level | MediaPlaylist): boolean;
+    protected shouldLoadPlaylist(playlist: Level | MediaPlaylist | null | undefined): boolean;
+    // (undocumented)
+    protected shouldReloadPlaylist(playlist: Level | MediaPlaylist | null | undefined): boolean;
     // (undocumented)
     startLoad(): void;
     // (undocumented)