Add default code reviewers into OWNERS
am: b8a0f10e0c

Change-Id: I2d12aa9610ab85ecfd0838f820b41c244658fdaa
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