[ASan/Win tests] Add memcpy/strdup/strlen interception tests

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208899 91177308-0d34-0410-b5e6-96231b3b80d8
Exclude MSVC to try to unbreak their builds. We have a bad skew between
how CMake drives a windows link and how our custom command does.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208903 91177308-0d34-0410-b5e6-96231b3b80d8