Set time limits to regression suites.

The default right now is 24h which is way too long, especially for suites
like graphics or video that hang regularly.

TEST=None.
BUG=None.

Change-Id: Ib574432bcf6b836ed12c7bc5f3cd6591036d87aa
Reviewed-on: https://gerrit.chromium.org/gerrit/65360
Reviewed-by: Alex Miller <milleral@chromium.org>
Commit-Queue: Ilja H. Friedel <ihf@chromium.org>
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
Tested-by: Ilja H. Friedel <ihf@chromium.org>
13 files changed