Remove DISCONNECTING check from handleReportNetworkConnectivity

ConnectivityService doesn't use it, and the NetworkAgent API
never set it. This case does not happen in pratice, so remove
the check.

Bug: 192611346
Test: atest FrameworksNetTests
Change-Id: I1f114c9b65050527378ee73bc86e4cda8868bca9
1 file changed