[lldb] [llvm] [Support] Move HTTP client/server to new LLVMSupportHTTP lib (NFC) (PR #184572)

[Stefan Gränitz via llvm-commits]

weliveindetail wrote:

This is a preparation step for adding a HTTP client implementation for Windows based on the WinHTTP system library: https://github.com/weliveindetail/llvm-project/commit/llvm-support-http-windows We want to use it for SymStore symbol server support in LLDB: https://discourse.llvm.org/t/rfc-add-symbollocator-for-windows-pdb-symbol-servers-in-lldb/89877/17

https://github.com/llvm/llvm-project/pull/184572