[MS03] Remove ServiceNotFoundException hidden API usage

Since ServiceNotFoundException is not a system API. Remove
the unsupported interface which uses this exception.
This is safe since the method annotated with maxTargetSdk = R
and from dashboard it is not using by anybody.

Test: TH
Bug: 204830222
Change-Id: Ib8c0ce7b165732d24929851792d35371b90a5dfc

framework-t/src/android/app/usage/NetworkStatsManager.java

@@ -45,8 +45,6 @@ import android.os.Looper;
 import android.os.Message;
 import android.os.Messenger;
 import android.os.RemoteException;
-import android.os.ServiceManager;
-import android.os.ServiceManager.ServiceNotFoundException;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 import android.util.DataUnit;
@@ -135,15 +133,6 @@ public class NetworkStatsManager {
 
     private int mFlags;
 
-    /**
-     * {@hide}
-     */
-    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
-    public NetworkStatsManager(Context context) throws ServiceNotFoundException {
-        this(context, INetworkStatsService.Stub.asInterface(
-                ServiceManager.getServiceOrThrow(Context.NETWORK_STATS_SERVICE)));
-    }
-
     /** @hide */
     @VisibleForTesting
     public NetworkStatsManager(Context context, INetworkStatsService service) {