Add test for ConnectivityManager.factoryReset

Bug: 186061922
Test: atest CtsNetTestCases:android.net.cts.ConnectivityManagerTest
Test: atest CtsNetTestCasesLatestSdk on R and S device
Merged-In: I5d3e448ed00b9baeb64a08036ecac1f9c8206cc7
Change-Id: I5d3e448ed00b9baeb64a08036ecac1f9c8206cc7
1 file changed