Update wallet tile secondary label.

- if there's no cards, change the label from "Add a card" to "Tap to open".
- if device locked, show the card's description and the card image instead of "unlock to use".

Test: manual, atest QuickAccessWalletTile
Fixes: 228969609
Change-Id: Ib591c90a77e4e2356e3309a2d0c4ce038f05f888
3 files changed