[compiler-rt] [libFuzzer] Mark libFuzzer SIGTRAP test unsupported on windows (PR #151109)

[Qinkun Bao via llvm-commits]

qinkunbao wrote:

I don't have access to a Windows computer. Let's land this PR first to see if it fixes the issue in https://github.com/llvm/llvm-project/pull/149120

https://github.com/llvm/llvm-project/pull/151109