Delete unused AuthenticatorService Telecom code.

/*

 * Copyright (C) 2015 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License

 */

package android.telecom;

import android.accounts.AbstractAccountAuthenticator;

import android.accounts.Account;

import android.accounts.AccountAuthenticatorResponse;

import android.accounts.NetworkErrorException;

import android.app.Service;

import android.content.Context;

import android.content.Intent;

import android.os.Bundle;

import android.os.IBinder;

/**

 * A generic stub account authenticator service often used for sync adapters that do not directly

 * involve accounts.

 *

 * @hide

 */

public class AuthenticatorService extends Service {

    private static Authenticator mAuthenticator;

    @Override

    public void onCreate() {

        mAuthenticator = new Authenticator(this);

    }

    @Override

    public IBinder onBind(Intent intent) {

        return mAuthenticator.getIBinder();

    }

    /**

     * Stub account authenticator. All methods either return null or throw an exception.

     */

    public class Authenticator extends AbstractAccountAuthenticator {

        public Authenticator(Context context) {

            super(context);

        }

        @Override

        public Bundle editProperties(AccountAuthenticatorResponse accountAuthenticatorResponse,

                                     String s) {

            throw new UnsupportedOperationException();

        }

        @Override

        public Bundle addAccount(AccountAuthenticatorResponse accountAuthenticatorResponse,

                                 String s, String s2, String[] strings, Bundle bundle)

                throws NetworkErrorException {

            return null;

        }

        @Override

        public Bundle confirmCredentials(AccountAuthenticatorResponse accountAuthenticatorResponse,

                                         Account account, Bundle bundle)

                throws NetworkErrorException {

            return null;

        }

        @Override

        public Bundle getAuthToken(AccountAuthenticatorResponse accountAuthenticatorResponse,

                                   Account account, String s, Bundle bundle)

                throws NetworkErrorException {

            throw new UnsupportedOperationException();

        }

        @Override

        public String getAuthTokenLabel(String s) {

            throw new UnsupportedOperationException();

        }

        @Override

        public Bundle updateCredentials(AccountAuthenticatorResponse accountAuthenticatorResponse,

                                        Account account, String s, Bundle bundle)

                throws NetworkErrorException {

            throw new UnsupportedOperationException();

        }

        @Override

        public Bundle hasFeatures(AccountAuthenticatorResponse accountAuthenticatorResponse,

                                  Account account, String[] strings)

                throws NetworkErrorException {

            throw new UnsupportedOperationException();

        }

    }

}