Add myself to janitor owners.

Since I have to go around the tree modifying code when updating
kernel headers, it seems to make sense to get on this list.

Test: NA
Change-Id: I714b1cbacd336deef1d0e37576d2ab500832eb1a
diff --git a/janitors/OWNERS b/janitors/OWNERS
index e132f0b..d871201 100644
--- a/janitors/OWNERS
+++ b/janitors/OWNERS
@@ -1,6 +1,7 @@
 # OWNERS file for projects that don't really have owners so much as volunteer janitors.
 ccross@google.com
+cferris@google.com
 dwillemsen@google.com
 enh@google.com
 narayan@google.com
-sadafebrahimi@google.com
\ No newline at end of file
+sadafebrahimi@google.com