Add janitors to the OWNERS file

Test: TreeHugger
Change-Id: I6d4fa522d7082de68b976b737fca0121abe29445
diff --git a/OWNERS b/OWNERS
index 62b9704..abf779f 100644
--- a/OWNERS
+++ b/OWNERS
@@ -3,3 +3,4 @@
 # Default code reviewers picked from top 3 or more developers.
 [email protected]
 [email protected]
+include platform/system/core:/janitors/OWNERS #{LAST_RESORT_SUGGESTION}