app link handling under restricted mobile data

1. new actions to allow default carrier app dynamically enable/disable
app-link filtering
2. new intent to notify registered carrier apps of other default
networks
3. signal-to-actions config to sepcify carrier actions on default
network change
default network available -> disable intent filter for app-link
defaut network lost -> enable intent filter for app-link
4. new carrier actions to allow carrier apps to register/unregister
other network status dynmacially

Bug: 62487488
Test: Manual
Change-Id: Ie9fa9f3f4ca38f9f26a90a3dbf95f7f20a8ad773
diff --git a/data/etc/framework-sysconfig.xml b/data/etc/framework-sysconfig.xml
index 7fafef7..3a81c13 100644
--- a/data/etc/framework-sysconfig.xml
+++ b/data/etc/framework-sysconfig.xml
@@ -28,4 +28,6 @@
     <backup-transport-whitelisted-service
         service="android/com.android.internal.backup.LocalTransportService" />
 
+    <!-- Whitelist of bundled applications which all handle URLs to their websites by default -->
+    <app-link package="com.android.carrierdefaultapp" />
 </config>