Make QS shortcut type as default preferred shortcut for A11yService that

associate with a TileService

Bug: 322712028
Test: manual (Turn on the shortcut for the first time for various
feature with or without tile. Verify only the A11yService with tile
would show QS as the shortcut when directly turn on the main shortcut
toggle)
Test: atest com.android.settings.accessibility

Flag: aconfig android.view.accessibility.a11y_qs_shortcut
Change-Id: I569b417639d2db8b7eddd818a2b9037ed4be2509