Let network requests see VPNs.

Test: runtest frameworks-net
Test: also tested with VPN app
Test: also cts passing
Change-Id: I3b16caad7787c3c1f2921ca1583815c89efbadc5
diff --git a/services/core/java/com/android/server/connectivity/Vpn.java b/services/core/java/com/android/server/connectivity/Vpn.java
index e93f311..bb46d5e 100644
--- a/services/core/java/com/android/server/connectivity/Vpn.java
+++ b/services/core/java/com/android/server/connectivity/Vpn.java
@@ -850,7 +850,8 @@
         long token = Binder.clearCallingIdentity();
         try {
             mNetworkAgent = new NetworkAgent(mLooper, mContext, NETWORKTYPE /* logtag */,
-                    mNetworkInfo, mNetworkCapabilities, lp, 0 /* score */, networkMisc) {
+                    mNetworkInfo, mNetworkCapabilities, lp,
+                    ConnectivityConstants.VPN_DEFAULT_SCORE, networkMisc) {
                             @Override
                             public void unwanted() {
                                 // We are user controlled, not driven by NetworkRequest.