Add a new empty dashboard for Network & Internet.

Bug: 31799836
Test: RunSettingsRoboTests
Change-Id: Ide0c07839332e615f6ba86fb87a1eb04cce2fae7

res/values/strings.xml

@@ -5915,6 +5915,8 @@
         <item quantity="other">Show %d hidden items</item>
     </plurals>
 
+    <!-- Title for setting tile leading to network and Internet settings [CHAR LIMIT=40]-->
+    <string name="network_dashboard_title">Network &amp; Internet</string>
 
     <!-- Search strings -->
     <!-- Text to describe the search results fragment title [CHAR LIMIT=16] -->