Trunk stable flag for Autofill-Credman integration

Adding a new flag for guarding against credman integration inside
Framework.

Bug: 299319796
Test: N/A; config
Change-Id: Ib8dda1056d8ae9239b678a95fcba8cf7d88c8178
diff --git a/services/autofill/features.aconfig b/services/autofill/features.aconfig
index 1e44de6..92e00ee 100644
--- a/services/autofill/features.aconfig
+++ b/services/autofill/features.aconfig
@@ -1 +1,8 @@
-package: "android.service.autofill"
\ No newline at end of file
+package: "android.service.autofill"
+
+flag {
+  name: "autofill_credman_integration"
+  namespace: "autofill"
+  description: "Guards Autofill Framework against Autofill-Credman integration"
+  bug: "296907283"
+}
\ No newline at end of file