Add janitors to the OWNERS file

Test: TreeHugger
Change-Id: Ib342cd80e35bfd634847b27bd3391b34e2e1cf90
diff --git a/OWNERS b/OWNERS
index 23a6257..3442bf7 100644
--- a/OWNERS
+++ b/OWNERS
@@ -2,3 +2,4 @@
 # Please update this list if you find better candidates.
 [email protected]
 [email protected]
+include platform/system/core:/janitors/OWNERS #{LAST_RESORT_SUGGESTION}