WifiManagerTest: Add CTS test for TrafficState callback API

Bug: 150236894
Test: atest android.net.wifi.cts.WifiManagerTest
Change-Id: I0075de8b546cc8608a2013378620e03f1fcd34e7
1 file changed
tree: 60cf5ad31d2e98492a007e8b099c00a6f03d00b9
  1. tests/