Add 5G/NR QOS support

Bug: 155176305
Bug: 182317794
Test: atest ConnectivityServiceTest
      atest QosCallbackTrackerTest

Change-Id: Idf6d8a7c3b80bc50a2c1244ceaefea9381d40c2f

framework/src/android/net/QosCallbackConnection.java

@@ -19,6 +19,7 @@ package android.net;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 
 import com.android.internal.annotations.VisibleForTesting;
 
@@ -83,6 +84,25 @@ class QosCallbackConnection extends android.net.IQosCallback.Stub {
         });
     }
 
+    /**
+     * Called when either the {@link NrQosSessionAttributes} has changed or on the first time
+     * the attributes have become available.
+     *
+     * @param session the session that is now available
+     * @param attributes the corresponding attributes of session
+     */
+    @Override
+    public void onNrQosSessionAvailable(@NonNull final QosSession session,
+            @NonNull final NrQosSessionAttributes attributes) {
+
+        mExecutor.execute(() -> {
+            final QosCallback callback = mCallback;
+            if (callback != null) {
+                callback.onQosSessionAvailable(session, attributes);
+            }
+        });
+    }
+
     /**
      * Called when the session is lost.
      *