Don't execute CTS tests without FEATURE_CONNECTION_SERVICE

1. Check if FEATURE_CONNECTION_SERVICE is enabled before executing
telecom CTS tests on devices where we don't want to run Telecom tests.
2. Wrap teadown in BaseRemoteTest unde mShouldestTelecom flag.

BUG: 23016039
Change-Id: I89dfc703a3315ec1c22cffa16f5de07b744edb17
2 files changed