[libcxx] [libcxxabi] [llvm] Adding Support for Offloading C++ standard algorithms (PR #116869)

[Vedant Tewari via llvm-commits]

xevor11 wrote:

For the module.modulemap file do we go with the changes in main or in #66968 @jdoerfert 

https://github.com/llvm/llvm-project/pull/116869