Add default code reviewers into OWNERS am: 30d78d0023 am: 3e4cc734ef
am: e30c348733

Change-Id: I861e8aa22f3a36c056ab33d3348a926282bc7ff0
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..7529cb9
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+include platform/system/core:/janitors/OWNERS