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 am: 52eeb54b22 am: 6a582d30bf
am: 257f964da8

Change-Id: If18b3742548211506227438e000cff8cb7b9dec4