Updating security string patch to 2016-04-01 am: e182d2a95c am: 054bbb9766 am: 7e6a1633c8 am: eb651e2e45 am: 3f53b385de am: fc30358acb
am: c4d9b64a68

* commit 'c4d9b64a686dbfbc8e2f91d96203a7328249f5dd':
  Updating security string patch to 2016-04-01