policy_readers: Add hardware_verifier

hardware_verifier needs to read device policy to know if metrics is
enabled and device is enterprise managed using libmetrics.

BUG=b:183682775
TEST=None

Cq-Depend: chromium:2825710, chromium:2892237
Change-Id: Ic08fcf3d975051e4278bac995f57d4797f41e22f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/2874815
Tested-by: Kevin Lin <kevinptt@chromium.org>
Commit-Queue: Kevin Lin <kevinptt@chromium.org>
Reviewed-by: Mattias Nissler <mnissler@chromium.org>
diff --git a/profiles/base/accounts/group/policy-readers b/profiles/base/accounts/group/policy-readers
index 0e76e2a..075b4c0 100644
--- a/profiles/base/accounts/group/policy-readers
+++ b/profiles/base/accounts/group/policy-readers
@@ -1,4 +1,4 @@
 # Members have read access to the device policy in /var/lib/whitelist.
 group:policy-readers
 gid:303
-users:attestation,authpolicyd,chronos,u2f,shill
+users:attestation,authpolicyd,chronos,hardware_verifier,u2f,shill