Add framework-connectivity-test-defaults

The defaults follow the same pattern as framework-wifi-test-defaults to
allow unit tests to build against hidden API in Connectivity.

(clean cherry-pick of history in downstream branch)

Bug: 171540887
Test: m
Merged-In: I3c2563d4ae4e3715d0c6270344ba8f7ef067872f
Change-Id: Ia8531f672820fcc8968f98494903e486c4e42652
4 files changed