Integrate Calling Restrictions into the outgoing call flow

When creating a new outgoing  call, we will now also take into
account calling restrictions to ensure that we do not allow a new
outgoing call on another PhoneAccount if the active PhoneAccount
can not support a call on a different account.

Fixes: 326318949
Test: atest TelecomUnitTests; manual vDSDA calling
Change-Id: I74e5abb1e213db7c8dfd173b7090b79bf3ec862a