Merge "Add ConnectivityManagerTest#testSetAirplaneMode" am: 7efcd4be05

Original change: https://android-review.googlesource.com/c/platform/cts/+/1178309

Change-Id: I5efb53fbd682c183b615e32ef73b7a3bb194ef94
tree: 8697da7f72fc374a70b70dd4eb8bbaac3f2de416
  1. tests/