ART: Do not access-check type on instanceof peephole

When attempting the instanceof+branch peephole, do not retrieve
the cast type with an access check to avoid a posted failure. That
failure does not happen, it belongs with the instanceof.

Bug: 121245951
Test: m test-art-host
Change-Id: I87e2228bff9f3374e7141e600f24554846ecac32
1 file changed