[sestarnix] Add concurrent_access_cache benchmark

Bug: 510757687
Change-Id: I3722bc3d8eb67a75cd60599ccebaf6d7bf219dae
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1607368
Reviewed-by: Nelly Vouzoukidou <nellyv@google.com>
Reviewed-by: Gwen Mittertreiner <gmtr@google.com>
Commit-Queue: Jean-François Geyelin <jif@google.com>
5 files changed