Add the ability to pass arguments to runner.jar

This is used mainly so that the Chrome-specific compiler pass
can be enabled and disabled.

BUG=619091
R=aberent@chromium.org, jamiewalch@chromium.org

Review URL: https://codereview.chromium.org/2117653002 .

Cr-Commit-Position: refs/heads/master@{#409336}
11 files changed