Refactor ArtField::GetType<>() as {Lookup,Resolve}Type().

And add no thread suspension assertion to LookupType()
as well as ArtMethod::LookupResolvedClassFromTypeIndex().

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Change-Id: If1541ccb0aafeabb6d1dd5566f10afcac98a2ef1
14 files changed