Merge "Use FooterPreference in xml explicitly"

<PreferenceScreen

    xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:settings="http://schemas.android.com/apk/res-auto"

    android:title="@string/restricted_app_title">

    <PreferenceCategory

        android:key="restrict_app_list"/>

    <com.android.settingslib.widget.FooterPreference

        android:key="restricted_app_footer"

        android:title="@string/restricted_app_detail_footer"

        android:selectable="false"

        settings:searchable="false"/>

</PreferenceScreen>

import com.android.settings.widget.AppCheckBoxPreference;

import com.android.settingslib.core.AbstractPreferenceController;

import com.android.settingslib.utils.StringUtil;

import com.android.settingslib.widget.FooterPreferenceMixinCompat;

import java.util.List;

    PackageManager mPackageManager;

    @VisibleForTesting

    BatteryDatabaseManager mBatteryDatabaseManager;

    private final FooterPreferenceMixinCompat mFooterPreferenceMixin =

            new FooterPreferenceMixinCompat(this, getSettingsLifecycle());

    public static void startRestrictedAppDetails(InstrumentedPreferenceFragment fragment,

            List<AppInfo> appInfos) {

        super.onCreate(icicle);

        final Context context = getContext();

        mFooterPreferenceMixin.createFooterPreference().setTitle(

                R.string.restricted_app_detail_footer);

        mRestrictedAppListGroup = (PreferenceGroup) findPreference(KEY_PREF_RESTRICTED_APP_LIST);

        mAppInfos = getArguments().getParcelableArrayList(EXTRA_APP_INFO_LIST);

        mPackageManager = context.getPackageManager();