Add janitors to the OWNERS file

Test: TreeHugger
Change-Id: Icea848a71af1071303f83a8384e1545e37e2c515
diff --git a/OWNERS b/OWNERS
index c6b72c9..0c96119 100644
--- a/OWNERS
+++ b/OWNERS
@@ -3,3 +3,4 @@
 # Please update this list if you find better owner candidates.
 [email protected]
 [email protected]
+include platform/system/core:/janitors/OWNERS #{LAST_RESORT_SUGGESTION}