[clang build.py] Use CMAKE_MSVC_RUNTIME_LIBRARY instead of LLVM_USE_CRT_RELEASE

This was made an error in
https://github.com/llvm/llvm-project/pull/66850.

Bug: 1485646
Change-Id: Id106d4f9beeea7299befa4d866a75dd3153ba3b5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4887702
Commit-Queue: Amy Huang <akhuang@google.com>
Commit-Queue: Arthur Eubanks <aeubanks@google.com>
Reviewed-by: Amy Huang <akhuang@google.com>
Cr-Commit-Position: refs/heads/main@{#1200349}
NOKEYCHECK=True
GitOrigin-RevId: da1549a6b9003d6219f49da1189b0836bb4f42e9
1 file changed