Support multi-users for NFC payments

Configure nfc payment settings based on different users.

Bug: 191851086
Bug: 191845397
Bug: 192994529
Test: nfc payment with 2nd user
      make RunSettingsRoboTests
      ROBOTEST_FILTER=DefaultPaymentSettingsPreferenceControllerTest
Change-Id: I52440e77b6b5837b978b381e1c1694d2b29f048e