dev-install: speed up generation of package lists
Portage's depgraph processing is single threaded, so by running these
4 jobs in parallel, we cut the time down to the slowest job, which is
about ~7 seconds instead of ~30.
BUG=chromium:202477
TEST=precq passes
Change-Id: I36788872654c261c6aeea27a6dbefb4ac76ab8c2
Reviewed-on: https://chromium-review.googlesource.com/1484468
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
1 file changed
