Add framework-connectivity-test-defaults to netlegacy22.api test

Add lib to netlegacy22.api test to provide hidden connectiviy
methods accessibility.

Bug: 182859030
Test: 1. remove framework-connectivity.impl from framework bp ;
      2. cd cts/tests/netlegacy22.api ; mm
Change-Id: I6cc33879d12147c6b2b9f470f305ead432bce1c8
2 files changed