Ensure Telecom catches UnsupportedOperationException from Telephony.

Telephony now enforces that various pkg mgr features are available and will
throw UnsupportedOperationExceptions if the features are not available.
Telecom needs to catch these and respond in a reasonable manner or the
system service will crash.

Fixes: 331853393
Test: Basis regression tests.
Test: Run existing unit tests.
Test: Add new unit tests for new code paths.
Change-Id: I37550b4d3c9ff8b7ec4f4e0ffc09c8450f616ccd