Accessibility fixes

> Enabling top bar buttons in accessibility drag-drop
> Unifying logic to show delete/uninstall/app-info targets
> Announcing cell loction as 1-index instead of 0-index

Change-Id: Ibc7801f77e938b2646f0655462cbe9b7f781818b
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index f4afb95..f08f25f 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -557,7 +557,7 @@
             Resources res = getContext().getResources();
             View child = getChildAt(x, y);
             if (child == null || child == dragInfo.item) {
-                return res.getString(R.string.move_to_empty_cell, x, y);
+                return res.getString(R.string.move_to_empty_cell, x + 1, y + 1);
             } else {
                 ItemInfo info = (ItemInfo) child.getTag();
                 if (info instanceof AppInfo || info instanceof ShortcutInfo) {