Fix agents disconnecting in SUSPENDED state.

Network state is not changed to disconnected when a networkagent
is disconnected and network state is SUSPENDED.

So the function requiresClat return true. Clat is not stoped.

Bug: 277682237
Test: atest FrameworksNetTests

Change-Id: I5edfcf64aca5d2d34325d722dd29fab41bcf2600

service/src/com/android/server/ConnectivityService.java

@@ -4546,7 +4546,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
         // because they lost all their requests or because their score isn't good)
         // then they would disconnect organically, report their new state and then
         // disconnect the channel.
-        if (nai.networkInfo.isConnected()) {
+        if (nai.networkInfo.isConnected() || nai.networkInfo.isSuspended()) {
             nai.networkInfo.setDetailedState(NetworkInfo.DetailedState.DISCONNECTED,
                     null, null);
         }