[compiler-rt] [rtsan][Apple] Add interceptor for _os_nospin_lock_lock (PR #131034)

[via llvm-commits]

davidtrevelyan wrote:

@thetruestblue sure - no problem. Which section(s) of code in this patch are you referring to wrapping here? If you'd find it easier to submit a PR to describe this, I'd be very happy to take a look. 

@delcypher are you by any chance able to share details about how this broke your build? 

https://github.com/llvm/llvm-project/pull/131034