[Remoting Android] Explicitly define title text size in sp

remoting/android/java/res/values-v17/styles.xml

 <?xml version="1.0" encoding="utf-8"?>
 
 <!-- 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.
 -->
 
 <resources>
     <style name="BaseTheme" parent="@style/Theme.AppCompat.Light.NoActionBar">
         <item name="colorPrimary">#E0E0E0</item>
@@ skipping 28 matching lines @@
     <style name="NavigationTextStyle">
         <item name="android:textColor">#212121</item>
         <item name="android:fontFamily">sans-serif-medium</item>
     </style>
 
     <style name="ToolbarStyle">
         <item name="android:background">?attr/colorPrimary</item>
         <!--suppress NewApi -->
         <item name="android:elevation">4dp</item>
         <item name="contentInsetStart">@dimen/toolbar_content_inset_start</item>
+        <item name="titleTextAppearance">@style/ToolbarStyle.Title</item>
+    </style>
+
+    <style name="ToolbarStyle.Title" parent="TextAppearance.Widget.AppCompat.Toolbar.Title">
+        <item name="android:textSize">20sp</item>
     </style>
 </resources>