Delete AirplaneModeTest am: 2e0b45004c am: 0e4b401e69 am: 5f9a562038

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1752425

Change-Id: I55bd4e0687a5aaa93d43657dea2d630f19c92de7