Revert "Move more clang build directories within third_party/llvm-build-tools"

This reverts commit cc0560219977558b8c51164ae09cc11750a1ebdf.

Reason for revert: Causes bug 1326190

Bug: 1326190

Original change's description:
> Move more clang build directories within third_party/llvm-build-tools
>
> Doing a full build of clang locally left third_party/llvm-instrumented that wasn't in .gitignore.
> We could add more entries to third_party/.gitignore, but it seems cleaner/more future-proof to stuff everything into one directory.
>
> We can remove the now unused entries in third_party/.gitignore later once this patch sticks.
>
> Change-Id: If2b8b320b619cb653aac1d3ba64aef50a797df84
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3642435
> Reviewed-by: Nico Weber <thakis@chromium.org>
> Reviewed-by: Hans Wennborg <hans@chromium.org>
> Commit-Queue: Arthur Eubanks <aeubanks@google.com>
> Cr-Commit-Position: refs/heads/main@{#1002671}

Change-Id: Iee0a018702665a872382dda1e8e45b3860ca7794
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3652555
Commit-Queue: Arthur Eubanks <aeubanks@google.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1004311}
NOKEYCHECK=True
GitOrigin-RevId: 5cabc545ffefe0e2f7cee74509f6db0ef3c38b49
1 file changed