Enable AX TCs related to list-item and update results.

content/test/data/accessibility/list-markers-expected-android.txt

 android.webkit.WebView focusable focused scrollable
     android.widget.ListView collection hierarchical item_count=3 row_count=3
-        android.view.View collection_item
+        android.view.View collection_item name='First item properly groups itself despiteboldedtext.'
             android.view.View clickable name='•'
             android.view.View clickable name='First item properly groups itself despite'
             android.view.View clickable name='bolded'
             android.view.View clickable name='text.'
-        android.view.View collection_item item_index=1
+        android.view.View collection_item name='This should also beseenas a group.' item_index=1 row_index=1
             android.view.View clickable name='•'
             android.view.View clickable name='This should also be'
             android.view.View clickable name='seen'
             android.view.View clickable name='as a group.'
-        android.view.View collection_item item_index=2
+        android.view.View collection_item name='Somemoretext.' item_index=2 row_index=2
             android.view.View clickable name='•'
             android.view.View clickable name='Some'
             android.view.View clickable name='more'
             android.view.View clickable name='text.'