ConnectivityCoverageTests is a combination of several test libs, which
are jarjared differently. It causes duplicated classes not to be counted
for coverage properly. Build the test suite directly and apply jarjar
only once on top of everything.
Bug: 227694415
Test: atest ConnectivityCoverageTests
Change-Id: I4350ebdbf98030944ec3857e1ef67d76f26c3b16
e59f5e36e5