Add user and group for dugong

This CL will allow us to give dugong permission to control the dbus
interface for making requests for TEE bringup.

BUG=b:162096925
TEST=none

Change-Id: I1fbe4dcbab40a2ef573b6d69e0409f8a57c55c25
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/2495485
Tested-by: Nicole Anderson-Au <nvaa@google.com>
Reviewed-by: Allen Webb <allenwebb@google.com>
Commit-Queue: Nicole Anderson-Au <nvaa@google.com>

profiles/base/accounts/group/dugong

diff --git a/profiles/base/accounts/group/dugong b/profiles/base/accounts/group/dugong
new file mode 100644
index 0000000..759bd17
--- /dev/null
+++ b/profiles/base/accounts/group/dugong
@@ -0,0 +1,3 @@
+group:dugong
+gid:20166
+users:dugong

profiles/base/accounts/user/dugong

diff --git a/profiles/base/accounts/user/dugong b/profiles/base/accounts/user/dugong
new file mode 100644
index 0000000..e97db82
--- /dev/null
+++ b/profiles/base/accounts/user/dugong
@@ -0,0 +1,6 @@
+user:dugong
+uid:20166
+gid:20166
+gecos:CrOS ManaTEE daemon
+home:/dev/null
+shell:/bin/false