[llvm] [CAS] Add missing <sys/time.h> include to fix aarch64 build (PR #196193)

[Steven Wu via llvm-commits]

cachemeifyoucan wrote:

Please show the actual failure message. There is no such thing as including a file to satisfy the transitive dependencies because headsets in llvm need to follow include-what-you-use rule. The fix is not correct as no system specific header should be included in most of the llvm source file.

Also the PR message needs to the actual commit message. Do not use AI style plan.

https://github.com/llvm/llvm-project/pull/196193