[autotest] Include bugs filed in run_suite output.

When tests run through a suite fail, we attempt to
file bugs. This change records the bug id in a keyval
which is then parsed by run suite to log a link to the
bug filed.

TEST=ran a failing suite and noted the links generated.
BUG=chromium:217209

Change-Id: If8b48cb16ad8f1fb3c71283266c14299f4521770
Reviewed-on: https://gerrit.chromium.org/gerrit/49472
Tested-by: Prashanth Balasubramanian <beeps@chromium.org>
Commit-Queue: Prashanth Balasubramanian <beeps@chromium.org>
Reviewed-by: Prashanth Balasubramanian <beeps@chromium.org>
5 files changed