Don't perform ListView click events for INVALID_POSITION.

Addresses bug 2329294

core/java/android/widget/AbsListView.java

@@ -1636,6 +1636,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
             if (mDataChanged) return;
 
             if (mAdapter != null && mItemCount > 0 &&
+                    mClickMotionPosition != INVALID_POSITION &&
                     mClickMotionPosition < mAdapter.getCount() && sameWindow()) {
                 performItemClick(mChild, mClickMotionPosition, getAdapter().getItemId(
                         mClickMotionPosition));