ART: Dex file verifier can't blindly use GetDescriptor
ART: Dex file verifier can't blindly use GetDescriptor

The dex file verifier cannot call GetDescriptor without checking
the index first.

Bug: 15615908
Change-Id: Iec5e20b77aac3e6c25fb94b1b630d0846c0b8f33

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