Add setting flag for enabling voice activation apps in Special app
access.

Bug: 303727896
Test: presubmit
Change-Id: Ic01d6bb47db6150808483e8a4f42389e71885d62
diff --git a/aconfig/Android.bp b/aconfig/Android.bp
index 7b571e0..4d762ba 100644
--- a/aconfig/Android.bp
+++ b/aconfig/Android.bp
@@ -13,6 +13,7 @@
         "settings_onboarding_experience_flag_declarations.aconfig",
         "settings_telephony_flag_declarations.aconfig",
         "settings_biometrics_integration_declarations.aconfig",
+        "settings_voice_activation_apps_flag_declarations.aconfig",
     ],
 }