tpm2-simulator: Add user and group

Add new user and group for the tpm2-simulator daemon.

BUG=b:174807059
TEST=None

Change-Id: If5612a5f4d06417abf69c3d53ab10bd319838a32
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/2578540
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Yi Chou <yich@google.com>
Commit-Queue: Yi Chou <yich@google.com>
diff --git a/profiles/base/accounts/group/tpm2-simulator b/profiles/base/accounts/group/tpm2-simulator
new file mode 100644
index 0000000..ed5e802
--- /dev/null
+++ b/profiles/base/accounts/group/tpm2-simulator
@@ -0,0 +1,2 @@
+group:tpm2-simulator
+gid:20169
diff --git a/profiles/base/accounts/user/tpm2-simulator b/profiles/base/accounts/user/tpm2-simulator
new file mode 100644
index 0000000..a3154e6
--- /dev/null
+++ b/profiles/base/accounts/user/tpm2-simulator
@@ -0,0 +1,6 @@
+user:tpm2-simulator
+uid:20169
+gid:20169
+gecos:Chromium OS tpm2-simulator daemon runs as this user
+home:/dev/null
+shell:/bin/false