[ASan/Win] Mark tests that require -MT asan_dll_thunk as such

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@215638 91177308-0d34-0410-b5e6-96231b3b80d8
[ASan/Win] Slightly update&relax test expectations to work with both -MT and -MD (in progress, PR20214) CRTs

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@215641 91177308-0d34-0410-b5e6-96231b3b80d8