ocr: define ocr_service user and group

Choose first UID that is not currently used and
create a user and a group with this ID.

BUG=b:159229207
TEST=none

Change-Id: I1ac1a06c2f10d3392966711a1ce0ef82c66db19c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/2287929
Reviewed-by: Jesse Schettler <jschettler@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Efi Mavroudi <emavroudi@google.com>
Commit-Queue: Jesse Schettler <jschettler@chromium.org>
diff --git a/profiles/base/accounts/group/ocr_service b/profiles/base/accounts/group/ocr_service
new file mode 100644
index 0000000..5060c34
--- /dev/null
+++ b/profiles/base/accounts/group/ocr_service
@@ -0,0 +1,3 @@
+group:ocr_service
+gid:20148
+users:ocr_service
diff --git a/profiles/base/accounts/user/ocr_service b/profiles/base/accounts/user/ocr_service
new file mode 100644
index 0000000..f57fc20
--- /dev/null
+++ b/profiles/base/accounts/user/ocr_service
@@ -0,0 +1,6 @@
+user:ocr_service
+uid:20148
+gid:20148
+gecos:User of Optical Character Recognition service.
+home:/dev/null
+shell:/bin/false