Fix build.
Fix build.

Change-Id: If560485f06560891799463cba28214e587f86511
WellKnownClasses::Init isn't called in dex2oat.

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