Updating security string patch to 2016-04-01 am: e182d2a95c am: 054bbb9766 am: 7e6a1633c8 am: eb651e2e45
am: 3f53b385de

* commit '3f53b385dec6b45d0e4d07a29ce43b3c510b1d10':
  Updating security string patch to 2016-04-01