If the adb TCP port is opened, this test may be run by adb over
network. Huge amount of data traffic might go through the
network and accounted into total packets stats. The upper bound
check would be meaningless.
Bug: 126320702
Test: atest android.net.cts.TrafficStatsTest 10 trials for both cases
Change-Id: Iaee455826dc01741c6a3a9f5f8096361c69a1e7c