[lldb] [llvm] [LLDB] Make PythonRuntimeLoader a posix platform library (PR #228598)

[Minsoo Choo via llvm-commits]

https://github.com/mchoo7 approved this pull request.

Ugh, I forgot to address this issue. I verified the kCandidates library name patches on FreeBSD, LGTM:)

https://github.com/llvm/llvm-project/pull/228598