Add janitors to the OWNERS file

Test: TreeHugger
Change-Id: If16592b59cc4c4c7f6f77dbe83e6c5a4612d6dab

OWNERS

diff --git a/OWNERS b/OWNERS
index 0ef1d05..bf2e0c3 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,3 +1,4 @@
 # Default code reviewers picked from top 3 or more developers.
 # Please update this list if you find better candidates.
 cferris@google.com
+include platform/system/core:/janitors/OWNERS #{LAST_RESORT_SUGGESTION}