Allow creating PlayQueue from ListInfo and index

Author: Stypox

app/src/main/java/org/schabi/newpipe/player/playqueue/AbstractInfoPlayQueue.java

@@ -28,13 +28,17 @@ abstract class AbstractInfoPlayQueue<T extends ListInfo<? extends InfoItem>>
     private transient Disposable fetchReactor;
 
     protected AbstractInfoPlayQueue(final T info) {
+        this(info, 0);
+    }
+
+    protected AbstractInfoPlayQueue(final T info, final int index) {
         this(info.getServiceId(), info.getUrl(), info.getNextPage(),
                 info.getRelatedItems()
                         .stream()
                         .filter(StreamInfoItem.class::isInstance)
                         .map(StreamInfoItem.class::cast)
                         .collect(Collectors.toList()),
-                0);
+                index);
     }
 
     protected AbstractInfoPlayQueue(final int serviceId,

app/src/main/java/org/schabi/newpipe/player/playqueue/PlaylistPlayQueue.java

@@ -16,6 +16,10 @@ public PlaylistPlayQueue(final PlaylistInfo info) {
         super(info);
     }
 
+    public PlaylistPlayQueue(final PlaylistInfo info, final int index) {
+        super(info, index);
+    }
+
     public PlaylistPlayQueue(final int serviceId,
                              final String url,
                              final Page nextPage,