[llvm] [lldb][bazel] Add Windows cross-compilation support to LLDB Bazel overlay (PR #201173)

[via llvm-commits]

youngd007 wrote:

> smaller, targeted PR for just windows process plugin to start- #203146 I also saw that some windows select for Host started appearing.

Now that the plugin process has been committed, I am doing just the modifications to the cmake defines in that header in https://github.com/llvm/llvm-project/pull/205823

https://github.com/llvm/llvm-project/pull/201173