Add "uwbd" user/group

Choose UID and GID '20188' from "./display-accts.py --show-free"

BUG=b:229544200
TEST=none

Change-Id: I11ee0bc8c5fa3b25e50e2542a12bab945e9f2d30
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/3411706
Reviewed-by: Allen Webb <allenwebb@google.com>
Tested-by: Chih-Yu Huang <akahuang@chromium.org>
Commit-Queue: Chih-Yu Huang <akahuang@chromium.org>
diff --git a/profiles/base/accounts/group/uwbd b/profiles/base/accounts/group/uwbd
new file mode 100644
index 0000000..cfce38d
--- /dev/null
+++ b/profiles/base/accounts/group/uwbd
@@ -0,0 +1,3 @@
+group:uwbd
+gid:20188
+users:uwbd
diff --git a/profiles/base/accounts/user/uwbd b/profiles/base/accounts/user/uwbd
new file mode 100644
index 0000000..8e836e4
--- /dev/null
+++ b/profiles/base/accounts/user/uwbd
@@ -0,0 +1,6 @@
+user:uwbd
+uid:20188
+gid:20188
+gecos:UWB Daemon
+home:/dev/null
+shell:/bin/false