clang/test: Suppress two tests on win32 for now, since, not sure, in r169829 to r169831.

"ansi-escape-sequences" is easy convenient to exclude win32. Please be patient.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169945 91177308-0d34-0410-b5e6-96231b3b80d8