gn build: Replace ${hwasan_name}-preinit with hwasan-preinit.#134943

pcc merged 5 commits intomainllvm/llvm-project:mainfrom

users/pcc/spr/gn-build-replace-hwasan_name-preinit-with-hwasan-preinitllvm/llvm-project:users/pcc/spr/gn-build-replace-hwasan_name-preinit-with-hwasan-preinitCopy head branch name to clipboard