Rollup merge of #52280 - japaric:llvm-tools-preview, r=kennytm
Rollup merge of #52280 - japaric:llvm-tools-preview, r=kennytm

llvm-tools-preview: fix build-manifest

r? @alexcrichton

aidancully/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,graydon/rust,graydon/rust,GBGamer/rust,graydon/rust,aidancully/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust