llvm-common: upgraded package to upstream

Upgraded sys-devel/llvm-common to version 12.0.1 on amd64

BUG=b:196751917
TEST=Pass CQ

Cq-Depend: chromium:3115030
Change-Id: Idafe0dcf31114be50a718131c0469ecae6cdf047
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3136833
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
Tested-by: Drew Davenport <ddavenport@chromium.org>
Commit-Queue: Drew Davenport <ddavenport@chromium.org>
3 files changed