Devtools: Resize glpyhs and add animation icons

Source/devtools/front_end/emulation/responsiveDesignView.css

 /*
  * Copyright 2014 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.
  */
 
 .responsive-design {
     position: relative;
     background-color: rgb(0, 0, 0);
     overflow: hidden;
@@ skipping 292 matching lines @@
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
 .responsive-design-icon {
     -webkit-mask-image: url(Images/responsiveDesign_2x.png);
 }
 } /* media */
 
 .responsive-design-toolbar input[type='checkbox']:after {
     -webkit-mask-image: url(Images/toolbarButtonGlyphs.png);
-    -webkit-mask-size: 320px 144px;
+    -webkit-mask-size: 352px 144px;
     -webkit-mask-position: -128px -110px;
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
     .responsive-design-toolbar input[type='checkbox']:after {
         -webkit-mask-image: url(Images/toolbarButtonGlyphs_2x.png);
     }
 } /* media */
 
 .responsive-design-icon-resolution {
@@ skipping 199 matching lines @@
     pointer-events: none;
 }
 
 .media-inspector-label-right {
     right: 4px;
 }
 
 .media-inspector-label-left {
     left: 4px;
 }