Add users and groups for perfetto system service.

This change adds users/groups for running Perfetto system tracing
services:
* traced: for running the system trace service daemon.
* traced-probes: for running the system trace probes.
* traced-producer: the group controlling the access to the trace service
as a trace data source.
* traced-consumer: the group controlling the access to the trace service
for reading trace data.

BUG=b:147789115
TEST=Build and run on hatch

Cq-Depend: chromium:2533068
Change-Id: Id4fea4a605afd4318a3e9af8266fdbf714bc910e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/2462798
Reviewed-by: Mattias Nissler <mnissler@chromium.org>
Commit-Queue: Chinglin Yu <chinglinyu@chromium.org>
Tested-by: Chinglin Yu <chinglinyu@chromium.org>
7 files changed
tree: 7cdcd0ec0fd0cfb04869941fa2d5c281a680c8ee
  1. acct-group/
  2. acct-user/
  3. eclass/
  4. metadata/
  5. profiles/
  6. OWNERS
  7. PRESUBMIT.cfg