Change color option and grid option layout

- Add color option horizontal padding
- Change color option layout
- Make grid option LINEAR_LAYOUT_HORIZONTAL_DISPLAY_OPTIONS_MAX comes from resource file

Before: https://screenshot.googleplex.com/opwP97p7X8Qi6nL
        https://screenshot.googleplex.com/3igtadNkX5SUJzy

After: https://screenshot.googleplex.com/AJZ43pWwCnGh6fr
       https://screenshot.googleplex.com/9SBxam4MTRM2gwN

Bug: 193374285
Test: Manual
Change-Id: I3dcc4a97caa0919053b7d1db9844d6d341d70209
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
new file mode 100644
index 0000000..288dd19
--- /dev/null
+++ b/res/values/attrs.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+
+     Copyright (C) 2022 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>
+    <item name="linear_layout_horizontal_display_options_max" format="float" type="dimen">4.35
+    </item>
+</resources>
\ No newline at end of file
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 2086480..4aa43b4 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -38,6 +38,7 @@
     <dimen name="option_tile_margin_horizontal">6dp</dimen>
     <dimen name="option_tile_padding_vertical">12dp</dimen>
     <dimen name="option_tile_padding_horizontal">12dp</dimen>
+    <dimen name="option_tile_grid_padding_horizontal">4dp</dimen>
     <dimen name="option_icon_size">16dp</dimen>
     <dimen name="theme_option_icon_sample_height">22dp</dimen>
     <dimen name="theme_option_icon_sample_width">22dp</dimen>