Fix OWNERS on version_defaults.mk

Bug: 80311893
Change-Id: I904ed66ebe3d09c7d66dd3f845d9e049b15da192
diff --git a/OWNERS b/OWNERS
index f3f3ad4..1e9b763 100644
--- a/OWNERS
+++ b/OWNERS
@@ -2,6 +2,10 @@
 dwillemsen@google.com
 nanzhang@google.com
 
+per-file * = ccross@android.com
+per-file * = dwillemsen@google.com
+per-file * = nanzhang@google.com
+
 # for version updates
 per-file version_defaults.mk = aseaton@google.com
 per-file version_defaults.mk = elisapascual@google.com