Add tile's label to the a11y action for adding tiles

It now reads as "Add [label] to the last position" instead of "Add tile to the last position"

Test: manually with Talkback
Flag: com.android.systemui.qs_ui_refactor_compose_fragment
Fixes: 412621096
Change-Id: Ib6da2715112af0eb080ecf701e014d1171e65024