[lldb] Disable TestProcessSaveCoreMinidumpSizeMismatch on Windows hosts (#214044) The buildbot [lldb-remote-linux-win](https://lab.llvm.org/buildbot/#/builders/197) is red after #212861. #212861 cannot be reverted automatically now because of #212641. So disable TestProcessSaveCoreMinidumpSizeMismatch on Windows hosts to make the buildbot green again. GitOrigin-RevId: f20b64ffe5c81e0ef35bcf9990f60a1ff9157f7b