sysui: add assets and dimentions for sw900dp

<?xml version="1.0" encoding="utf-8"?>

<!--

 * Copyright (c) 2016, 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.

*/

-->

<resources>

    <!-- Height of the bottom navigation / system bar. -->

    <dimen name="navigation_bar_height">56dp</dimen>

    <!-- Height of the bottom navigation bar in landscape; often

         the same as @dimen/navigation_bar_height -->

    <dimen name="navigation_bar_height_landscape">56dp</dimen>

</resources>