Track and persist in stats whether traffic is on the default network.

This change adds the defaultNetwork to the ident based on current
system networking state, and persists that value to flash.

Bug: 35142602
Test: runtest frameworks-net
Test: downloaded files using default/non-default networks while watching dumpsys netstats
Change-Id: Id8776d149b2977548a9eb455ad4926af55e25aba
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index 5159c70..948e75e 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -1103,7 +1103,8 @@
             for (int subId : subIds) {
                 final String subscriberId = tele.getSubscriberId(subId);
                 final NetworkIdentity probeIdent = new NetworkIdentity(TYPE_MOBILE,
-                        TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true);
+                        TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true,
+                        true);
                 if (template.matches(probeIdent)) {
                     return true;
                 }
@@ -1304,7 +1305,7 @@
 
         // find and update the mobile NetworkPolicy for this subscriber id
         final NetworkIdentity probeIdent = new NetworkIdentity(TYPE_MOBILE,
-                TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true);
+                TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true, true);
         for (int i = mNetworkPolicy.size() - 1; i >= 0; i--) {
             final NetworkTemplate template = mNetworkPolicy.keyAt(i);
             if (template.matches(probeIdent)) {
@@ -1511,7 +1512,8 @@
             for (int subId : subIds) {
                 final String subscriberId = tm.getSubscriberId(subId);
                 final NetworkIdentity probeIdent = new NetworkIdentity(TYPE_MOBILE,
-                        TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true);
+                        TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true,
+                        true);
                 // Template is matched when subscriber id matches.
                 if (template.matches(probeIdent)) {
                     tm.setPolicyDataEnabled(enabled, subId);
@@ -1557,7 +1559,8 @@
         final ArrayMap<NetworkState, NetworkIdentity> identified = new ArrayMap<>();
         for (NetworkState state : states) {
             if (state.networkInfo != null && state.networkInfo.isConnected()) {
-                final NetworkIdentity ident = NetworkIdentity.buildNetworkIdentity(mContext, state);
+                final NetworkIdentity ident = NetworkIdentity.buildNetworkIdentity(mContext, state,
+                        true);
                 identified.put(state, ident);
             }
         }
@@ -1692,7 +1695,7 @@
     private boolean ensureActiveMobilePolicyAL(int subId, String subscriberId) {
         // Poke around to see if we already have a policy
         final NetworkIdentity probeIdent = new NetworkIdentity(TYPE_MOBILE,
-                TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true);
+                TelephonyManager.NETWORK_TYPE_UNKNOWN, subscriberId, null, false, true, true);
         for (int i = mNetworkPolicy.size() - 1; i >= 0; i--) {
             final NetworkTemplate template = mNetworkPolicy.keyAt(i);
             if (template.matches(probeIdent)) {