Recreate QuickAccessWallet for Wallet Tile and Lockscreen Icon when the...

Recreate QuickAccessWallet for Wallet Tile and Lockscreen Icon when the default payment app has changed.

Also to avoid a wallet client that doesn't have ServiceInfo is living
too long, don't make it final and re-create the wallet client if it has a null service info.

Fix: 187972400
Test: atest
Test: manual, see demo- the default payment app is GPay, check Tile and
Lockscreen Icon, then change the default payment app and check again.
https://drive.google.com/file/d/10-I339VPuxJRGXJT-XmwmnZs4MHaH3gm/view?usp=sharing&resourcekey=0-wDtRXNNr_Tg9ptxk1Tpxsw

Change-Id: Ie9a05795bff447424b299132fa60ae2efb2092be