Text selection AccessibilityEvents are missing text.

The text selection change event was not added to the text
populating accessibility events in View.

bug:5638709

Change-Id: Ie7e319bc07d7e6c48f178a6c1bd22b1fe32ff515
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index dc46d42..e2f3919 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -1487,7 +1487,8 @@
             | AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED
             | AccessibilityEvent.TYPE_VIEW_HOVER_ENTER
             | AccessibilityEvent.TYPE_VIEW_HOVER_EXIT
-            | AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED;
+            | AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED
+            | AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED;
 
     /**
      * Temporary Rect currently for use in setBackground().  This will probably