Add NFC to the Rust allowlist

rustfmt & preupload checks are being checked in shortly

Bug: 197333653
Test: compile
Change-Id: I91f14dc9a58d04fda6ae77de2ea5d85f481d0563
diff --git a/rust/config/allowed_list.go b/rust/config/allowed_list.go
index 63a8f04..47ca3a7 100644
--- a/rust/config/allowed_list.go
+++ b/rust/config/allowed_list.go
@@ -28,6 +28,7 @@
 		"system/librustutils",
 		"system/logging/liblog",
 		"system/logging/rust",
+		"system/nfc",
 		"system/security",
 		"system/tools/aidl",
 		"tools/security/fuzzing/example_rust_fuzzer",