enable smart scrolling

Otherwise it takes too long to scroll if you have hundreds of
games. To make this work had to move scroller to left side of games
list display as otherwise the scroller steals events from the expander
thingies.

xwords4/android/app/src/main/java/org/eehouse/android/xw4/GamesListDelegate.java

@@ -972,6 +972,9 @@ public class GamesListDelegate extends ListDelegateBase
 
         mkListAdapter();
         getListView().setOnItemLongClickListener( this );
+        // Only works if scroller's on left side, as it otherwise steals
+        // events from the expander arrow things
+        getListView().setFastScrollEnabled( true );
 
         NetUtils.informOfDeaths( m_activity );
 

xwords4/android/app/src/main/res/layout/game_list.xml

@@ -12,6 +12,7 @@
             android:layout_height="fill_parent"
             android:layout_weight="1"
             android:drawSelectorOnTop="false"
+            android:verticalScrollbarPosition="left"
             />
 
   <!-- These are hidden once the list is large enough that scrolling