Remove Special App Access duplicate from Setting search

                public List<PreferenceController> getPreferenceControllers(Context context) {

                    return buildPreferenceControllers(context);

                }

                @Override

                public List<String> getNonIndexableKeys(Context context) {

                    List<String> keys = super.getNonIndexableKeys(context);

                    keys.add((new SpecialAppAccessPreferenceController(context))

                            .getPreferenceKey());

                    return keys;

                }

            };

}

/*

 * Copyright (C) 2017 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 com.android.settings.applications;

import android.content.Context;

import android.os.UserManager;

import com.android.settings.SettingsRobolectricTestRunner;

import com.android.settings.TestConfig;

import com.android.settings.testutils.XmlTestUtils;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.robolectric.RuntimeEnvironment;

import org.robolectric.annotation.Config;

import java.util.List;

import static com.google.common.truth.Truth.assertThat;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.when;

@RunWith(SettingsRobolectricTestRunner.class)

@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)

public class AppAndNotificationDashboardFragmentTest {

    @Test

    public void testNonIndexableKeys_existInXmlLayout() {

        final Context context = spy(RuntimeEnvironment.application);

        UserManager manager = mock(UserManager.class);

        when(manager.isAdminUser()).thenReturn(true);

        when(context.getSystemService(Context.USER_SERVICE)).thenReturn(manager);

        final List<String> niks = AppAndNotificationDashboardFragment.SEARCH_INDEX_DATA_PROVIDER

                .getNonIndexableKeys(context);

        final int xmlId = (new AppAndNotificationDashboardFragment()).getPreferenceScreenResId();

        final List<String> keys = XmlTestUtils.getKeysFromPreferenceXml(context, xmlId);

        assertThat(keys).containsAllIn(niks);

    }

}