private void travelBagValue(BagValue bag) {
        for (Map.Entry<Integer, Value> e : bag.map) {
            travelValue(e.getValue());
        }
    }
Write pkgs to an arsc file

@author bob
@see ArscParser
android/third_party/apkbuilder/src/main/java/pxb/android/arsc/ArscWriter.java