Fix the null cardId issue when card is null.

When card is null, we can get the iccid from UiccSlot instead of just
using null. This fix the issue that when it's on eSIM slot and inserting
a SIM card, a null iccid is returned.

Bug: 78249974
Test: test on phone
Change-Id: I84706be7590cfa7b0dcb4b6055b364078257a8c2
1 file changed