Add janitors to the OWNERS file

Test: TreeHugger
Change-Id: I14b513bafa5ad954e716fc39a73099d255538c4d
diff --git a/OWNERS b/OWNERS
index c33f706..1b6281b 100644
--- a/OWNERS
+++ b/OWNERS
@@ -4,3 +4,4 @@
 
 per-file WIFI_OWNERS = file:/WIFI_OWNERS
 per-file ENGPROD_OWNERS = file:/ENGPROD_OWNERS
+include platform/system/core:/janitors/OWNERS #{LAST_RESORT_SUGGESTION}