Revert "Turn off overflow protection for various math functions" am: 2dd1d5e02e am: aa5498018f am: ce9cab33b7 am: 4c1ad41c8b am: bd91a6540d am: 08ccbcc16f am: 9070697124 am: 9986938f08 am: 245b572340
am: d0bc460432

Change-Id: I28693f257be18393f0d5711f33ca0eb9260cd361