Allow rust code in device/google/cuttlefish

Test: TreeHugger
Change-Id: If7bce48e101bd49389d952556bfdf95d7899f01b
diff --git a/rust/config/allowed_list.go b/rust/config/allowed_list.go
index 3ad32fa..e6643f5 100644
--- a/rust/config/allowed_list.go
+++ b/rust/config/allowed_list.go
@@ -6,6 +6,7 @@
 	// for an example.
 	// TODO(b/160223496): enable rustfmt globally.
 	RustAllowedPaths = []string{
+		"device/google/cuttlefish",
 		"external/adhd",
 		"external/crosvm",
 		"external/minijail",