Remove extra newline in AndroidManifest.

                  android:taskAffinity="">

            <intent-filter android:priority="1">

                <action android:name="android.settings.MOBILE_DATA_USAGE" />

                <category android:name="

                android.intent.category.DEFAULT" />

                <category android:name="android.intent.category.DEFAULT" />

            </intent-filter>

            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"

                       android:value="com.android.settings.datausage.DataUsageList" />

/*

 * 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;

import static junit.framework.Assert.assertEquals;

import android.content.Context;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.net.NetworkTemplate;

import android.support.test.InstrumentationRegistry;

import android.support.test.filters.SmallTest;

import android.support.test.runner.AndroidJUnit4;

import android.telephony.SubscriptionManager;

import android.telephony.TelephonyManager;

import org.junit.Test;

import org.junit.runner.RunWith;

@RunWith(AndroidJUnit4.class)

@SmallTest

public class MobileDataUsageActivityTest {

    private static final String TAG = "MobileDataUsageTest";

    @Test

    public void test_mobileDataUsageIntent() {

        final Context context = InstrumentationRegistry.getTargetContext();

        final PackageManager packageManager = context.getPackageManager();

        final int subId = SubscriptionManager.getDefaultSubscriptionId();

        final NetworkTemplate template = getNetworkTemplate(context, subId);

        Intent intent = new Intent(android.provider.Settings.ACTION_MOBILE_DATA_USAGE);

        intent.putExtra(android.provider.Settings.EXTRA_NETWORK_TEMPLATE, template);

        intent.putExtra(android.provider.Settings.EXTRA_SUB_ID, subId);

        assertEquals(packageManager.queryIntentActivities(intent, 0).size(), 1);

        context.startActivity(intent);

        // Should exit gracefully without crashing.

    }

    private NetworkTemplate getNetworkTemplate(Context context, int subId) {

        TelephonyManager tm = (TelephonyManager) context

                .getSystemService(Context.TELEPHONY_SERVICE);

        NetworkTemplate mobileAll = NetworkTemplate.buildTemplateMobileAll(

                tm.getSubscriberId(subId));

        return NetworkTemplate.normalize(mobileAll,

                tm.getMergedSubscriberIds());

    }

}