Add arc-art for ARC.

For security purposes, it is better to run patchoat and dex2oat
outside ARC. User arc-art is created for running ART minijail
container.

BUG=b:65159408
TEST=Build image, check /etc/passwd and /etc/group.
TEST=test_that caroline security_AccountsBaseline
Change-Id: I4488e0ca1743b6434a6d5dee94ab6134d6d34f35
Reviewed-on: https://chromium-review.googlesource.com/646495
Commit-Ready: Xiaoyong Zhou <xzhou@chromium.org>
Tested-by: Xiaoyong Zhou <xzhou@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
2 files changed
tree: 9f7db79479883aa6f22abe9ca66e067fe99baf27
  1. eclass/
  2. metadata/
  3. profiles/
  4. PRESUBMIT.cfg