Add --run_goma option to build_packages.

The option is for running goma on bots.
It will be used from cbuildbot.

BUG=chromium:279618
TEST=Ran ./build_packages --run_goma locally.

Change-Id: I9fdeaeee531c7105ae88d16d176c263beffab66d
Reviewed-on: https://chromium-review.googlesource.com/461743
Commit-Ready: Hidehiko Abe <hidehiko@chromium.org>
Tested-by: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed