adding open and close to sys api

BUG=chromium:757625
TEST=none
Change-Id: Id1eaeade80625f5269e8a4925d04e8af6bf396f4
Reviewed-on: https://chromium-review.googlesource.com/826244
Commit-Ready: Bailey Berro <baileyberro@chromium.org>
Tested-by: Bailey Berro <baileyberro@chromium.org>
Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
2 files changed