Make wallet screen scrollable in landscape mode.

Also added test cases for cards with bad informations to prevent crash;
change the wallet tile label to use the one fetched from QAW API, with a
fallback static string in SysUI.
see demo:
https://drive.google.com/file/d/1Pu39KJTbQNJ2ABV__fVfdnNu9V_XlOsn/view?usp=sharing&resourcekey=0-WJgX6aUZTy9j3QWHfz3mjg

Test: atest
Test: manual
Bug: 187970998
Change-Id: I5c073989a9db959eba324b693c04e46a0b96d6b2