Use explicit list of mirrored class when checking CanRedefine

We were assuming that the ClassRoots contained all the mirror'd
classes but this is not the case. Instead we should use an explicit
list of the mirror'd classes.

Test: ./test.py --host
Test: m test-art-host-gtest-class_linker_test64
Bug: 134162467

Change-Id: Idd4c258ee0134e42afd0175b948123ea052704e1
4 files changed