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

Change-Id: I73afd09934f7608b74a68ffff442fd1a02a90244