Upgrade to expat 2.1.1 am: c05e032be5 am: 095459e694 am: f660c7f877 am: 3b539e5853 am: 851ab139ae am: 2fdae36fc6 am: cdf19cb4b7 am: 161a47bda3 am: a926c8a162
am: 045eca42f0

* commit '045eca42f0b741c2d846f1fd578cc3bb4a75ca0b':
  Upgrade to expat 2.1.1

Change-Id: Ifb7b5afbc4b884cf87edc9b3bc557bd19078305f