Update security string to 2015-12-01 - DO NOT MERGE am: 6575d4a2a8 am: cc9ac27157 am: fe64ce145e  -s ours am: 0e8cf97670 am: 07e2c19536 am: a3b35dec78 am: 3c407e4573
am: 695235afe3  -s ours

* commit '695235afe33865b62299e63fb52e47458285bc7b':
  Update security string to 2015-12-01 - DO NOT MERGE