[clang] [clang-scan-deps] [P1689] Keep consistent behavior for make dependencies with clang (PR #69551)

[Chuanqi Xu via cfe-commits]

ChuanqiXu9 wrote:

> Thanks for the ping, I had missed your question
> 
> > How do you think about the idea to add a flag to the MDC about whether or not calling makeAbsoluteAndPreferred?
> 
> SGTM; this seems like a good compromise since we can't easily extract this into the consumer.

Done. Does the current patch look good to you?

https://github.com/llvm/llvm-project/pull/69551