Delete AirplaneModeTest am: 2e0b45004c am: 0e4b401e69 am: 52fb8c8a8a am: b4e2432f3d

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

Change-Id: I4f9bbcc4bda04dcda065fae9156facb27a4babfb