[android] how to change default bookmark preloads in browser settings ?

file: <aosp>/packages/apps/Browser/src/com/android/browser/provider/BrowserProvider2.java

private void addDefaultBookmarks(SQLiteDatabase db, long parentId) {
....
    //bookmarks = res.getTextArray(R.array.bookmarks);
    //preloads = res.obtainTypedArray(R.array.bookmark_preloads);
    bookmarks = res.getTextArray(R.array.bookmarks_tt_china);
    preloads = res.obtainTypedArray(R.array.bookmark_preloads_tt_china);
}