Add default code reviewers into OWNERS
am: 1509454b1a

Change-Id: I5a50955dcda912ba1546cb6a331f14ba36c55c9f
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..8d5a1d7
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,2 @@
+ghartman@google.com
+include platform/system/core:/janitors/OWNERS