Accessibility fixes

1) Use a different content description for temporary new page
2) Use different accessibility description for add widget toast
3) Announce when an item is deleted
4) Announce when hovering over a drop target
5) Announce state during drag-n-drop and widget resize (similar to seekbar)

Bug: 23573321, 24057944
Change-Id: Icabb317625e70c78e11c0b4f99b9339172d93594
diff --git a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
index fe7b25e..2233ebb 100644
--- a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
@@ -134,11 +134,8 @@
 
     public boolean performAction(final View host, final ItemInfo item, int action) {
         if (action == REMOVE) {
-            if (DeleteDropTarget.removeWorkspaceOrFolderItem(mLauncher, item, host)) {
-                announceConfirmation(R.string.item_removed);
-                return true;
-            }
-            return false;
+            DeleteDropTarget.removeWorkspaceOrFolderItem(mLauncher, item, host);
+            return true;
         } else if (action == INFO) {
             InfoDropTarget.startDetailsActivityForInfo(item, mLauncher);
             return true;