[graphics] Fix graphics_per-build suite.
Make control.graphics_per-build search for tests with
SUITE=graphics_per-build. Make graphics_per-build only run on >=R28 as
control.graphics_per-build does not exist in R27.
BUG=None
TEST=./site_utils/suite_enumerator.py -a . graphics_per-build
Change-Id: Ic2b115d3a45cb0d551b343a2986efad79c80a60b
Reviewed-on: https://gerrit.chromium.org/gerrit/47324
Tested-by: Alex Miller <milleral@chromium.org>
Reviewed-by: Scott Zawalski <scottz@chromium.org>
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
Commit-Queue: Alex Miller <milleral@chromium.org>
2 files changed