[llvm] [llvm-c] Add C API methods to match size_t ConstantDataArray C++ API signatures (PR #84433)

[Quentin Dian via llvm-commits]

DianQK wrote:

I think we could replace the older function directly.

Please run `./clang/tools/clang-format/git-clang-format HEAD~1`or `git clang-format HEAD~1`  locally.

https://github.com/llvm/llvm-project/pull/84433