[ASan/Win tests] Add the first DLL test

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208884 91177308-0d34-0410-b5e6-96231b3b80d8
[ASan/Win tests] Add more DLL tests: malloc & friends

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208889 91177308-0d34-0410-b5e6-96231b3b80d8