[llvm] [llvm] annotate interfaces in AsmParser, BinaryFormat, Bitcode, and Bitstream libraries for DLL export (PR #141794)

[Andrew Rogers via llvm-commits]

andrurogerz wrote:

@compnerd @vgvassilev here's another small one for review when you have a moment, thanks!

https://github.com/llvm/llvm-project/pull/141794