[clang] [clang-tools-extra] [clangd] Update clangDaemonTweaks to set symbol visibility macros (PR #112304)

[Chris B via cfe-commits]

llvm-beanz wrote:

What is the case where an object library wouldn't need to act as `CLANG_IMPORT`? It seems to me like the object library needs to be built assuming that it is importing clang symbols unless it is one of the core clang components.

https://github.com/llvm/llvm-project/pull/112304