[clang] [clang] Extend clang's <limits.h> to define *LONG_LONG*_ macros for bionic (PR #115406)

[via cfe-commits]

ZijunZhaoCCK wrote:

> Release note and test coverage?

I tested it locally. I copied code to `prebuilt/.../limits.h` in aosp and removed bionic's copy and rebuilt to see whether it works. And it worked well. Any extra upstream test coverage needed?

https://github.com/llvm/llvm-project/pull/115406