Evaluation scores export library and CSS file for the exported HTML file

webrtc/modules/audio_processing/test/py_quality_assessment/quality_assessment/results.css

+/* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS.  All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+body{
+  font-family: Arial;
+  font-size: 75%;
+}
+
+table{
+  border-top: 1px solid #000;
+  border-right: 1px solid #000;
+  margin: 1em 0 0.2em 0;
+}
+
+table thead tr th{
+  font-size: 0.9em;
+  text-align: center;
+  border-bottom: 1px solid #000;
+  border-left: 1px solid #000;
+  min-width: 8em;
+}
+
+table thead tr th:first-child{
+  text-transform: uppercase;
+}
+
+table tbody tr td{
+  font-size: 0.8em;
+  text-align: center;
+  border-bottom: 1px solid #000;
+  border-left: 1px solid #000;
+}
+
+table tbody tr td:first-child{
+  font-weight: bold;
+}
+
+table tbody tr td .selected{
+  background-color: #EE9;
+}
+
+table tbody tr td .value{
+  display: inline-block;
+}
+
+.noise-desc{
+  display: inline-block;
+  margin-right: 0.3em;
+  border: 1px solid #555;
+  color: #555;
+  background-color: #EEE;
+  padding: 1px;
+  font-size: 0.8em;
+}