add Hide Notification Preference Controller to LineageSettings.System variable

package com.android.settings.notification;

import android.app.admin.DevicePolicyManager;

import android.content.Context;

import android.provider.Settings;

import androidx.preference.Preference;

import androidx.preference.TwoStatePreference;

import androidx.annotation.VisibleForTesting;

import com.android.internal.widget.LockPatternUtils;

import com.android.settings.core.PreferenceControllerMixin;

import com.android.settingslib.core.AbstractPreferenceController;

//PinScramblePreferenceController

import com.android.settings.core.TogglePreferenceController;

public class HideNotificationIconsPreferenceController extends AbstractPreferenceController

        implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener {

import static android.provider.Settings.Secure.SHOW_NOTIFICATION_SNOOZE;

    static final String HIDE_NOTIFICATIONICON_LEFT_SYSTEM_ICON = "hide_notificationIcon_left_system_icon";

public class HideNotificationIconsPreferenceController extends TogglePreferenceController {

    private static final String TAG = "HideNotificationIconsPreferenceController";

    @VisibleForTesting

    static final int ON = 1;

    @VisibleForTesting

    static final int OFF = 0;

    public HideNotificationIconsPreferenceController(Context context) {

        super(context);

    }

    /*

    mContext.getResources()

                .getBoolean(com.android.internal.R.bool.config_hide_notificationIcons)

                ? AVAILABLE : UNSUPPORTED_ON_DEVICE;

    * */

    @Override

    public boolean isAvailable() {

        return true;

    }

    public HideNotificationIconsPreferenceController(Context context, String preferenceKey) {

        super(context, preferenceKey);

    @Override

    public String getPreferenceKey() {

        return HIDE_NOTIFICATIONICON_LEFT_SYSTEM_ICON;

    }

    @Override

    public int getAvailabilityStatus() {

        return AVAILABLE;

    public void updateState(Preference preference) {

        ((TwoStatePreference) preference).setChecked(LineageSettings.System.getInt(

                mContext.getContentResolver(),

                LineageSettings.System.HIDE_NOTIFICATIONICON_LEFT_SYSTEM_ICON,

                0) == 1);

    }

    @Override

    public boolean isChecked() {

    public boolean onPreferenceChange(Preference preference, Object newValue) {

        LineageSettings.System.putInt(

                mContext.getContentResolver(),

                LineageSettings.System.HIDE_NOTIFICATIONICON_LEFT_SYSTEM_ICON,

                (Boolean) newValue ? 1 : 0);

        return true;

//        return mContext.getResources()

//                .getBoolean(com.android.internal.R.bool.config_hide_notificationIcons);

    }

    @Override

    public boolean setChecked(boolean isChecked) {

       return isChecked;//Settings.Secure.putInt(mContext.getContentResolver(),SHOW_NOTIFICATION_SNOOZE, isChecked ? ON : OFF);

    }

}