Fix wrong APN is used after SIM refreshed

After SIM refreshed, DcTracker might not register as new listener
to new ICC record, so that the stale operator numeric is used to
pick APN up.

To fix it, try to update DcTracker after the preferred ICC record
is changed.

Bug: 112062463

Change-Id: I916d9b04de864edb4680eb80054236eda64e6295