Ensure self-managed calls skip call filtering.

Ensure the Telecom call filtering modules are not run for self-managed
calls.

Bug: 80125564
Test: Added unit test for this case.
Test: Manual test with test app to ensure incoming self mgd call is not
filtered.

Change-Id: I0d698f059a7e59d42e0d5ee6c32e8e8d340b8406