Optimized the history saving and scrobbling functions

app/src/main/java/com/cappielloantonio/play/database/dao/QueueDao.java

@@ -40,9 +40,6 @@ public interface QueueDao {
     @Query("UPDATE queue SET playing_changed=:timestamp WHERE id=:id")
     void setPlayingChanged(String id, long timestamp);
 
-    @Query("SELECT track_order FROM queue ORDER BY last_play DESC LIMIT 1")
-    int getLastPlay();
-
-    @Query("SELECT playing_changed FROM queue ORDER BY last_play DESC LIMIT 1")
-    long getLastPlayedTimestamp();
+    @Query("SELECT * FROM queue ORDER BY last_play DESC LIMIT 1")
+    Queue getLastPlayed();
 }