Fix issue can’t toggle VR mode

Using editor.commit() instead of editor.apply() because app will restart after changing mode, so mode need to be saved before restarting

app/src/main/java/com/openipc/pixelpilot/VideoActivity.java

@@ -107,7 +107,7 @@ public void setVRSetting(boolean v)
         SharedPreferences prefs = getSharedPreferences("general", Context.MODE_PRIVATE);
         SharedPreferences.Editor editor = prefs.edit();
         editor.putBoolean("vr-mode", v);
-        editor.apply();
+        editor.commit();
     }
 
     public static int getChannel(Context context) {