Update security string to 2015-12-01 - DO NOT MERGE am: 6575d4a2a8 am: cc9ac27157 am: fe64ce145e  -s ours
am: 0e8cf97670

* commit '0e8cf97670c0b0a59d326507296829fe1bc01230':
  Update security string to 2015-12-01 - DO NOT MERGE