Optimize 1/2
This is intended for toolchains that has Graphite enabled like SaberMod. Graphite flags are useless on TC's that doesn't have 'em

Signed-off-by: Jean Francis Dominique S. Mabalot <jmabalot@google.com>
Optimize 2/2
Signed-off-by: Jean Francis Dominique S. Mabalot <jmabalot@google.com>