eclass-overlay: Add virtaccess group

This will allow multiple users to have access to virtualization device files.

BUG=b:126935552
TEST=build_packages --board=sarien; build_image --board=sarien; crosvm
can start
CQ-DEPEND=CL:1497153, CL:1496492

Change-Id: Ib63802908569264c668262bcb046bb6972db8365
Reviewed-on: https://chromium-review.googlesource.com/1497099
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Trent Begin <tbegin@chromium.org>
Reviewed-by: Trent Begin <tbegin@chromium.org>
1 file changed
tree: 7f8bad9b037a99c7f94de5154709023daf3e30a1
  1. PRESUBMIT.cfg
  2. eclass/
  3. metadata/
  4. profiles/