[Settings] Sync summary of call preference with dialer

Replacing the display of summary part within Settings' calls preference
by VoIP account when configured calling account settings within Dialer.

The click behavior for calls preference remain unchanged, due to this is
the configuration for subscription (instead of for all kinds of
accounts).

Bug: 136277187
Test: manual
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=DefaultSubscriptionControllerTest
Change-Id: Iaa5fa1f3efe7ba2463caa0b450077f885d42b1c8