Do not set default contactless application without user interaction

Keep the default contactless apllication "not set" if user does not
select one from the Settings page.

Bug: 212610736
Test: Manual
Merged-In: I8e1d67528eca037f4f88380a96f8c542965a1981
Change-Id: I8e1d67528eca037f4f88380a96f8c542965a1981
1 file changed