Becuase of modulization work for connectivity module, the connectivity hidden methods are not accessible outside the module. This commit replace the hidden methods usage under ConnectivityManagerTest. Bug: 182859030 Test: Remove framework-connectivity from the private API ; atest Change-Id: I5e23bd0ab2e82fc3583c56162d5ac3fec6cfc359 Merged-In: I5e23bd0ab2e82fc3583c56162d5ac3fec6cfc359