Add owners to dev/test

BUG=None
TEST=None

Change-Id: I77ecd49725617ff7a241f00ffb6bb2668b1bd57c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2983647
Tested-by: Derek Beckett <dbeckett@chromium.org>
Auto-Submit: Derek Beckett <dbeckett@chromium.org>
Reviewed-by: Congbin Guo <guocb@chromium.org>
Commit-Queue: Congbin Guo <guocb@chromium.org>
diff --git a/test/OWNERS b/test/OWNERS
new file mode 100644
index 0000000..09c3d7a
--- /dev/null
+++ b/test/OWNERS
@@ -0,0 +1,4 @@
+include chromiumos/config:/owners/testservice
+
+# Other relevant owners
+haddowk@chromium.org
\ No newline at end of file