[Networking] Filter out PROFILE_CLASS_PROVISIONING subscriptions

Use the newly-tracked `profileClass` bit to filter out subscriptions
which are being provisioned. They are unusable and should not be
considered valid for UI consumption yet.

Test: MobileIconsInteractorTest
Fixes: 300018361
Flag: NONE
Change-Id: I02f84f736534ff48f307642250cfc2495be60561
5 files changed