Fix for register number display in oatdump.
Fix for register number display in oatdump.

Change-Id: Iefd52cb5df95d118804e7f5bbd921b82f5f11213

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