Merge "Don't auto scroll empty lists"

core/java/com/android/internal/widget/AutoScrollHelper.java

@@ -892,6 +892,10 @@ public abstract class AutoScrollHelper implements View.OnTouchListener {
         public boolean canTargetScrollVertically(int direction) {
             final AbsListView target = mTarget;
             final int itemCount = target.getCount();
+            if (itemCount == 0) {
+                return false;
+            }
+
             final int childCount = target.getChildCount();
             final int firstPosition = target.getFirstVisiblePosition();
             final int lastPosition = firstPosition + childCount;