Add a basic Telecomm CTS test

Start the Telecomm CTS tests with a simple CtsVerifier test which
verifies that a call will be routed to the chosen connection manager.
This test then verifies that if the connection manager cancels the
outgoing call, the call will not be attempted on another service.

Bug: 16431051

Change-Id: I3ee4cefd171799a226d81dc03fceedab35b86bfd