packages/SystemUI/res/values-land/config.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
** Copyright 2011, 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.
*/
-->

<!-- These resources are around just to allow their values to be customized
     for different hardware and product builds. -->
<resources>
    <!-- The maximum number of rows in the QuickSettings -->
    <integer name="quick_settings_max_rows">2</integer>

    <!-- The number of columns that the top level tiles span in the QuickSettings -->
    <integer name="quick_settings_user_time_settings_tile_span">2</integer>

    <!-- We have only space for one notification on phone landscape layouts. -->
    <integer name="keyguard_max_notification_count">1</integer>

    <!-- orientation of the dead zone when touches have recently occurred elsewhere on screen -->
    <integer name="navigation_bar_deadzone_orientation">1</integer>

    <!-- Max number of columns for quick controls area -->
    <integer name="controls_max_columns">4</integer>
</resources>