-Added debug default values on settings init.

app/src/main/java/org/schabi/newpipe/settings/NewPipeSettings.java

@@ -64,6 +64,7 @@ public class NewPipeSettings {
         PreferenceManager.setDefaultValues(context, R.xml.history_settings, true);
         PreferenceManager.setDefaultValues(context, R.xml.main_settings, true);
         PreferenceManager.setDefaultValues(context, R.xml.video_audio_settings, true);
+        PreferenceManager.setDefaultValues(context, R.xml.debug_settings, true);
 
         getVideoDownloadFolder(context);
         getAudioDownloadFolder(context);