Remove page number announcement on carousel and set it on description

Others e.g. folder etc. will need to handle it separately, so, didn't
update pagedView.

Bug: 383252838
Test: Talkback
Flag: EXEMPT BUGFIX
Change-Id: I43f3818afcdaa4d4805df2af0890b970d71db9a7
diff --git a/src/com/android/launcher3/widget/picker/WidgetRecommendationsView.java b/src/com/android/launcher3/widget/picker/WidgetRecommendationsView.java
index d84a219..d042b1d 100644
--- a/src/com/android/launcher3/widget/picker/WidgetRecommendationsView.java
+++ b/src/com/android/launcher3/widget/picker/WidgetRecommendationsView.java
@@ -290,16 +290,28 @@
             }
             setCurrentPage(requestedPage);
             mPageIndicator.setActiveMarker(requestedPage);
-            mRecommendationPageTitle.setText(mCategoryTitles.get(requestedPage));
+            updatePageTitle(requestedPage);
         }
     }
 
     @Override
+    protected boolean canAnnouncePageDescription() {
+        // Disable announcement as our page title reads out the needed page description
+        return false;
+    }
+
+    private void updatePageTitle(int requestedPage) {
+        String title = mCategoryTitles.get(requestedPage);
+        mRecommendationPageTitle.setText(title);
+        mRecommendationPageTitle.setContentDescription(title + ", " + getCurrentPageDescription());
+    }
+
+    @Override
     protected void notifyPageSwitchListener(int prevPage) {
         if (getPageCount() > 1) {
             // Since the title is outside the paging scroll, we update the title on page switch.
             int nextPage = getNextPage();
-            mRecommendationPageTitle.setText(mCategoryTitles.get(nextPage));
+            updatePageTitle(nextPage);
             mPageSwitchListeners.forEach(listener -> listener.accept(nextPage));
             super.notifyPageSwitchListener(prevPage);
         }