Add initial kokoro config and build script

Change-Id: Ia04d6f0f40eea74fad42454b257089b88f8ffe0e
Reviewed-on: https://chromium-review.googlesource.com/965110
Reviewed-by: Stephen Barber <smbarber@chromium.org>
Tested-by: Stephen Barber <smbarber@chromium.org>
2 files changed