root: add acct-group/root package (version 0-r2) from upstream

acct-group/root 0-r2 package from upstream. acct-group/root is the
required dependency package for upgrading sys-apps/util-linux to version
2.40.2.

BUG=b:384609869
TEST=sudo emerge acct-group/root shadow

Change-Id: Ieab73100fc915997f168aef3e7189cfa0a05b537
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/6126699
Commit-Queue: Sung-Chi Li <lschyi@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Fei Shao <fshao@chromium.org>
Tested-by: Sung-Chi Li <lschyi@chromium.org>

acct-group/root/metadata.xml

diff --git a/acct-group/root/metadata.xml b/acct-group/root/metadata.xml
new file mode 100644
index 0000000..65e1fc8
--- /dev/null
+++ b/acct-group/root/metadata.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>base-system@gentoo.org</email>
+	</maintainer>
+</pkgmetadata>

acct-group/root/root-0-r2.ebuild

diff --git a/acct-group/root/root-0-r2.ebuild b/acct-group/root/root-0-r2.ebuild
new file mode 100644
index 0000000..7498555
--- /dev/null
+++ b/acct-group/root/root-0-r2.ebuild
@@ -0,0 +1,9 @@
+# Copyright 2020-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit acct-group
+
+ACCT_GROUP_ID=0
+ACCT_GROUP_ENFORCE_ID=yes