Show FSI when device is not provisioned

If device is not provisioned, dialer is not launched
when you get an incoming call.

Add a case for full screen intents handling case when
device is not yet provisioned.

Bug: 298584643
Test: atest NotificationInterruptStateProviderImplTest
Test: atest CentralSurfacesImplTest
Test: atest BubblesTest
(cherry picked from https://partner-android-review.googlesource.com/q/commit:a056191c9ead6f705e9f8df99195cd96460fc16e)
Change-Id: Ie9277d70195cc8bf9f4b1a9f7c52f968b6e2ebb9