[clang] [clang][modules] Dependency Scanning: Temporarily Turn Off Negative Directory Caching (PR #134698)

[Cyndy Ishida via cfe-commits]

cyndyishida wrote:

> To be clear, this PR is basically cherry-picking https://github.com/swiftlang/llvm-project/pull/9076

AFAICT that patch special-cased for framework directories while this one disables much more. Is that not the case? 

https://github.com/llvm/llvm-project/pull/134698