Hybrid Hotseat a11y

- speak meaningful accessibility label for predicted items
- disable accessibility focus for on-boarding preview items
- add PIN as an accessibility action
- remove move and remove actions for prediction icons

Bug:152376193
Bug:152359303
Bug:152374583
Bug:152357657
Bug:152268303
Bug:152379490

Change-Id: I40fe0ef6329cd5b1d9215ac5fa1716f15db89ac8
diff --git a/src/com/android/launcher3/DeleteDropTarget.java b/src/com/android/launcher3/DeleteDropTarget.java
index 423f2bb..6f0ebd2 100644
--- a/src/com/android/launcher3/DeleteDropTarget.java
+++ b/src/com/android/launcher3/DeleteDropTarget.java
@@ -67,7 +67,7 @@
     public boolean supportsAccessibilityDrop(ItemInfo info, View view) {
         if (info instanceof WorkspaceItemInfo) {
             // Support the action unless the item is in a context menu.
-            return info.screenId >= 0;
+            return canRemove(info);
         }
 
         return (info instanceof LauncherAppWidgetInfo)