Update voice interaction OOBE with new UX spec

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

 /* Copyright 2016 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. */
 
 paper-button {
   border-color: var(--oobe-text-button-border-color, transparent);
   border-radius: 2px;
   border-style: solid;
   border-width: 2px;
   height: 32px; /* = 28px + 2 * 2px border */
   margin: 0;
   padding: 0;
 }
 
 paper-button[focused] {
   border-color: var(--oobe-text-button-focused-border-color);
 }
 
+paper-button[android] {
+  height: 27px;
+}
+
+paper-button[android]:not([border]):not([inverse]) {
+  height: 13px;
+}
+
 #container {
   border-radius: 2px;
   padding: 0 16px;
 }
 
 #textButton:not([inverse]):not([disabled]) #container {
   background-color: white
   color: var(--google-blue-500);
 }
 
 #textButton[inverse]:not([disabled]) #container {
   background-color: var(--google-blue-500);
   color: white;
 }
 
 #textButton[border]:not([disabled]) #container {
   border-color: rgba(0, 0, 0, .1);
   border-style: solid;
   border-width: 1px;
 }
 
+#textButton[android] #container {
+  padding: 0 18px;
+}
+
 ::content * {
   font: var(--oobe-roboto-medium), sans-serif;
   font-size: 12px;
   text-transform: none;
 }
+
+#textButton[android] #container ::content * {
+  font-size: 10px;
+  text-transform: uppercase;
+}