Updating page indicator content description to indicate click target
for apps list

Bug: 29777235
Change-Id: Ia3dc20db7ec06455429389de5752b9bcfff15555
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 2d3e8dd..a37fe5b 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -251,7 +251,7 @@
         if (mPageIndicatorViewId > -1) {
             mPageIndicator = (PageIndicator) parent.findViewById(mPageIndicatorViewId);
             mPageIndicator.setMarkersCount(getChildCount());
-            mPageIndicator.setContentDescription(getCurrentPageDescription());
+            mPageIndicator.setContentDescription(getPageIndicatorDescription());
         }
     }
 
@@ -442,7 +442,7 @@
     private void updatePageIndicator() {
         // Update the page indicator (when we aren't reordering)
         if (mPageIndicator != null) {
-            mPageIndicator.setContentDescription(getCurrentPageDescription());
+            mPageIndicator.setContentDescription(getPageIndicatorDescription());
             if (!isReordering(false)) {
                 mPageIndicator.setActiveMarker(getNextPage());
             }
@@ -2276,6 +2276,10 @@
         return false;
     }
 
+    protected String getPageIndicatorDescription() {
+        return getCurrentPageDescription();
+    }
+
     protected String getCurrentPageDescription() {
         return getContext().getString(R.string.default_scroll_format,
                 getNextPage() + 1, getChildCount());