Add mIngressToVpnAddressFiltering to dump

Example output:

Multicast routing supported: true
Background firewall chain enabled: true
IngressToVpnAddressFiltering: false

Bug: 362434644
Test: adb shell dumpsys connectivity
Change-Id: I36e0726d7b7ffe873ed6498a45f57c459cc884cc
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index 53b1eb2..9af250b 100755
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -4439,9 +4439,8 @@
         pw.println();
         pw.println("Multicast routing supported: " +
                 (mMulticastRoutingCoordinatorService != null));
-
-        pw.println();
         pw.println("Background firewall chain enabled: " + mBackgroundFirewallChainEnabled);
+        pw.println("IngressToVpnAddressFiltering: " + mIngressToVpnAddressFiltering);
     }
 
     private void dumpNetworks(IndentingPrintWriter pw) {