Network-related commands porting

Test: runtest frameworks-net passes
Test: manual testing of network related function works
Change-Id: Id197d20c80b04378731b113ad74676672bd8b67e
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 5e8ffb7..b820a2b 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -4789,15 +4789,14 @@
         }
     }
 
-    private String getNetworkPermission(NetworkCapabilities nc) {
-        // TODO: make these permission strings AIDL constants instead.
+    private int getNetworkPermission(NetworkCapabilities nc) {
         if (!nc.hasCapability(NET_CAPABILITY_NOT_RESTRICTED)) {
-            return NetworkManagementService.PERMISSION_SYSTEM;
+            return INetd.PERMISSION_SYSTEM;
         }
         if (!nc.hasCapability(NET_CAPABILITY_FOREGROUND)) {
-            return NetworkManagementService.PERMISSION_NETWORK;
+            return INetd.PERMISSION_NETWORK;
         }
-        return null;
+        return INetd.PERMISSION_NONE;
     }
 
     /**
@@ -4870,9 +4869,9 @@
 
         if (Objects.equals(nai.networkCapabilities, newNc)) return;
 
-        final String oldPermission = getNetworkPermission(nai.networkCapabilities);
-        final String newPermission = getNetworkPermission(newNc);
-        if (!Objects.equals(oldPermission, newPermission) && nai.created && !nai.isVPN()) {
+        final int oldPermission = getNetworkPermission(nai.networkCapabilities);
+        final int newPermission = getNetworkPermission(newNc);
+        if (oldPermission != newPermission && nai.created && !nai.isVPN()) {
             try {
                 mNMS.setNetworkPermission(nai.network.netId, newPermission);
             } catch (RemoteException e) {