toolchain: Added rusage logs to builder's proto

We need to upload rusage logs for compiler invocations in the builder
recipes so that we can implement collecting metrics.

BUG=chromium:1156314
TEST=generate.sh

Change-Id: I76f2126d114e7939e6e3497fa3359c8e7cc6fcd4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2577842
Reviewed-by: Tiancong Wang <tcwang@google.com>
Reviewed-by: Alex Klein <saklein@chromium.org>
Commit-Queue: Ryan Beltran <ryanbeltran@chromium.org>
4 files changed