shill: vpn: create 'ppp' group for /dev/ppp permission control

This allows 'vpn' user to be removed from 'shill' group.

BUG=b:177984585
TEST=build

Cq-Depend: chromium:3275815, chromium:3276212, chromium:3276380
Change-Id: I8ccebc905131e6c71416c63e9a5ecc53f6546492
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/3277675
Commit-Queue: Taoyu Li <taoyl@chromium.org>
Tested-by: Taoyu Li <taoyl@chromium.org>
Reviewed-by: Jie Jiang <jiejiang@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
2 files changed
tree: 8ac52dbf12f2c1398de73e10295bf861fb5f0651
  1. acct-group/
  2. acct-user/
  3. eclass/
  4. metadata/
  5. profiles/
  6. OWNERS
  7. PRESUBMIT.cfg