Add arc-host-clock

BUG=b:166087457
TEST=build

Change-Id: I610be9e33bf4f368bf11f09012e95eef9d150f5b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/2376942
Tested-by: Ryo Hashimoto <hashimoto@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Ryo Hashimoto <hashimoto@chromium.org>
diff --git a/profiles/base/accounts/group/arc-host-clock b/profiles/base/accounts/group/arc-host-clock
new file mode 100644
index 0000000..21e6549
--- /dev/null
+++ b/profiles/base/accounts/group/arc-host-clock
@@ -0,0 +1,2 @@
+group:arc-host-clock
+gid:20152
diff --git a/profiles/base/accounts/user/arc-host-clock b/profiles/base/accounts/user/arc-host-clock
new file mode 100644
index 0000000..845619b
--- /dev/null
+++ b/profiles/base/accounts/user/arc-host-clock
@@ -0,0 +1,6 @@
+user:arc-host-clock
+uid:20152
+gid:20152
+gecos:ARC host clock service
+home:/dev/null
+shell:/bin/false