Adjust layout for Slice InputRange

-Make title to slider aligned
-Add test cases

Bug: 147462114
Test: make -j50 RunSettingsRoboTests
Change-Id: Ib1d076f77eae75e4f861a80873117b6254729fe5

res/layout/panel_slice_slider_row.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2020 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.
+-->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <androidx.slice.widget.SliceView
+        android:id="@+id/slice_view"
+        style="@style/SliceViewSliderStyle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingStart="8dp"
+        android:paddingEnd="8dp"/>
+</LinearLayout>

res/values/styles.xml

@@ -512,6 +512,17 @@
         <item name="android:background">?android:attr/colorBackgroundFloating</item>
     </style>
 
+    <style name="SliceViewSliderStyle">
+        <item name="rowStyle">@style/SliceRowSliderStyle</item>
+        <item name="android:background">?android:attr/colorBackgroundFloating</item>
+    </style>
+
+    <style name="SliceRowSliderStyle" parent="SliceRowStyle">
+        <!-- Align text with slider -->
+        <item name="titleStartPadding">12dp</item>
+        <item name="subContentStartPadding">12dp</item>
+    </style>
+
     <style name="ContextualCardSliceViewStyle" parent="SliceViewStyle">
         <item name="android:background">@color/contextual_card_background</item>
     </style>