ART: Reject array-length on non-reference register

It should be a hard verifier failure if we detect an array-length
instruction over a non-reference-type register.

Bug: 16595896

(cherry picked from commit 65c9db8dfbeea3f708f95f058f4fed7c2af71052)

Change-Id: I56babcbe95d50fd66a132cf4434cf5fa780beb4e
1 file changed