Give state description to the tabs

Test: Manaully tested it reads the selected shortcut
Bug: 280558142
Change-Id: I17e4a3da4cc22562751fb76ae85a66159e53e664
diff --git a/src/com/android/customization/picker/quickaffordance/ui/adapter/SlotTabAdapter.kt b/src/com/android/customization/picker/quickaffordance/ui/adapter/SlotTabAdapter.kt
index 6879ffc..8891b03 100644
--- a/src/com/android/customization/picker/quickaffordance/ui/adapter/SlotTabAdapter.kt
+++ b/src/com/android/customization/picker/quickaffordance/ui/adapter/SlotTabAdapter.kt
@@ -62,6 +62,12 @@
                 null
             }
         )
+        val stateDescription =
+            item.selectedQuickAffordances
+                .find { it.isSelected.value }
+                ?.text
+                ?.asString(holder.itemView.context)
+        stateDescription?.let { holder.itemView.stateDescription = it }
     }
 
     class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {