Fix breaking telecom tests.

The Telecom tests had an inappropriate dependency on content provider.
Removing this part of the test ensures that changes to the content
provider no longer breaks Telecom tests.
The AsyncBlockCheckFilterTest performs more valuable validations and it
is not impacted.

Bug: 120684034
Test: Run unit tests
Change-Id: Ic921dad08ecaac8220d225eeddbf2c2b4fa84d8a