ChromeOS: Update Welcome screen material design OOBE.

chrome/browser/resources/chromeos/login/oobe_i18n_dropdown.css

Index: chrome/browser/resources/chromeos/login/oobe_i18n_dropdown.css
diff --git a/chrome/browser/resources/chromeos/login/oobe_i18n_dropdown.css b/chrome/browser/resources/chromeos/login/oobe_i18n_dropdown.css
index a47018f05310bd0d3e864c79cc46fabf79d555e6..c61bb2a96d84e4797ff21d224c0c6d5f4907d60c 100644
--- a/chrome/browser/resources/chromeos/login/oobe_i18n_dropdown.css
+++ b/chrome/browser/resources/chromeos/login/oobe_i18n_dropdown.css
@@ -2,14 +2,24 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file. */
 
+:host {
+  --paper-font-subhead: {
+    @apply(--paper-font-common-base);
+    font-family: Roboto;
+    font-size: 13px;
+  };
+}
+
 .selected-icon {
   --iron-icon-height: 16px;
   --iron-icon-width: 16px;
+  -webkit-padding-start: 8px;
   color: var(--google-blue-500);
-  padding-left: 8px;
 }
 
 paper-item {
+  -webkit-padding-end: 8px;
+  -webkit-padding-start: 16px;
   min-height: 32px;
 }