Add fuzzy support to AndroidXmlFFS

Change-Id: Ib841b315ec54a4a3f840ded6fe9c2b97ba0f18fc
Don't create empty files in AndroidXmlFFS

Change-Id: I04d55daa07caf7bafe7bc5447406e3671e850e28
Merge changes I04d55daa,Ib841b315

* changes:
  Don't create empty files in AndroidXmlFFS
  Add fuzzy support to AndroidXmlFFS