Reporting toIndex in scroll events (issue 11356512)

Change-Id: I96a97865970e0b9a6760246c4f830f3ceff53f09
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 5146e14..46c861b 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -675,6 +675,7 @@
                     AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_SCROLLED);
             ev.setItemCount(getChildCount());
             ev.setFromIndex(mCurrentPage);
+            ev.setToIndex(getNextPage());
 
             final int action;
             if (getNextPage() >= mCurrentPage) {