Add support for color input datalist on Android

ui/android/java/res/drawable/color_button_background.xml

Index: ui/android/java/res/drawable/color_button_background.xml
diff --git a/ui/android/java/res/drawable/color_button_background.xml b/ui/android/java/res/drawable/color_button_background.xml
new file mode 100644
index 0000000000000000000000000000000000000000..66bcce2e4d2fc3460b7aaa40f0b207eefa95b54c
--- /dev/null
+++ b/ui/android/java/res/drawable/color_button_background.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2013 The Chromium Authors. All rights reserved.
+     Use of this source code is governed by a BSD-style license that can be
+     found in the LICENSE file.
+-->
+
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:top="0dp"
+        android:right="0dp"
+        android:bottom="0dp"
+        android:left="0dp">
+        <shape android:shape="rectangle">
+            <solid android:color="@color/color_picker_border_color"/>
+        </shape>
+    </item>
+    <item android:top="0px"
+        android:right="1px"
+        android:bottom="0px"
+        android:left="1px">
+        <shape android:shape="rectangle">
+            <solid android:color="@color/color_picker_background_color"/>
+        </shape>
+    </item>
+    <item
+        android:id="@+id/color_button_swatch"
+        android:top="1px"
+        android:right="2px"
+        android:bottom="1px"
+        android:left="2px">
+        <shape android:shape="rectangle">
+            <solid android:color="#FF0000"/>
+        </shape>
+    </item>
+</layer-list>