Printe Preview: add 'More/less options' button and make non-essential sections collapsible

chrome/browser/resources/print_preview/print_preview.css

 /* Copyright (c) 2012 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. */
 
 html {
   height: 100%;
   overflow: hidden;
 }
 
 body {
@@ skipping 71 matching lines @@
   -webkit-padding-end: 20px;
   -webkit-padding-start: 20px;
   color: #646464;
   display: table-cell;
   font-size: 12px;
   min-width: 70px;
 }
 
 .two-column.visible h1,
 .two-column.visible .right-column {
-  border-bottom: 1px solid #e9e9e9;
-  padding-bottom: 7px;
-  padding-top: 7px;
+  padding-bottom: 5px;
+  padding-top: 5px;
 }
 
 .two-column:not(.visible) select {
   border-top-width: 0;
   margin-top: 0;
   padding-top: 0;
 }
 
 p {
   -webkit-line-box-contain: block;
@@ skipping 195 matching lines @@
 :enabled:focus:-webkit-any(input[type='checkbox'],
                            input[type='radio'],
                            button):not(.link-button) {
   /* Cancel border-color for :focus specified in widgets.css. */
   border-color: rgba(0,0,0,0.25);
 }
 
 html:not(.focus-outline-visible) button:focus.link-button {
   outline: none;
 }