Revert optimization settings
Revert optimization settings

My last CL mistakently enabled some optimization for ToT.  They're
not quite ready yet - turning off.

Change-Id: I11c7beb6e272edd7620a132bc06328255c5962a5

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst