Add clickable attribute into list item view.

Goal: Announces the "disabled" status when using accessibility Talkback and clicking the disabled item.

Bug: 148834576
Test: manual test
Change-Id: Icb7c062af527652c3f6bd79d61848f86d591c3b5

core/res/res/layout/accessibility_button_chooser_item.xml

@@ -20,6 +20,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:clickable="true"
     android:gravity="center"
     android:paddingStart="16dp"
     android:paddingEnd="16dp"