Copy layout file of preference category from Settings.

Platform packages other than Settings may also use this layout to
be consistent with Settings.

Test: manual
bug: 62200881
Change-Id: I9e45772abac5aacfabbbafb38e287d0b523ef694
Merged-In: I9e45772abac5aacfabbbafb38e287d0b523ef694

packages/SettingsLib/res/layout/preference_category_material_settings.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  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.
+  -->
+
+<!-- Based off frameworks/base/core/res/res/layout/preference_category_material.xml
+     except that this supports icon -->
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginTop="8dp"
+    android:layout_marginBottom="8dp"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart" >
+
+    <LinearLayout
+        android:id="@+id/icon_container"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="start|center_vertical"
+        android:orientation="horizontal">
+        <com.android.internal.widget.PreferenceImageView
+            android:id="@android:id/icon"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:tint="?android:attr/textColorPrimary"
+            android:maxWidth="18dp"
+            android:maxHeight="18dp"/>
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingStart="56dp"
+        android:orientation="vertical">
+        <TextView
+            android:id="@android:id/title"
+            android:layout_marginTop="16dp"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textAppearance="@android:style/TextAppearance.Material.Body2"
+            android:textColor="?android:attr/colorAccent"
+            android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"/>
+        <TextView
+            android:id="@android:id/summary"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceListItemSecondary"
+            android:textColor="?android:attr/textColorSecondary"
+            android:ellipsize="end"
+            android:singleLine="true" />
+    </LinearLayout>
+
+</FrameLayout>
\ No newline at end of file