Update Security String to 2016-12-01 am: bacdf263ee am: c8ce9e6e00 am: 7c0f193b7f  -s ours am: 5d3d63700d am: 3593bce5d9 am: ddadcf3b9b am: 921874162d am: cd06a5cb89
am: f4f02f8e3d

Change-Id: If60d9ad9f2ffe8c7bb7d4f7f8dd0028436e716b9