Merge "Fix CtsTetheringTest on devices without permanent softAp interfaces." am: 10f23078c1 am: 9d3ae2e188 am: 174f529ce4 am: d55432238a

Original change: https://android-review.googlesource.com/c/platform/cts/+/1331096

Change-Id: Id61671147cf73111fd2ba239802cd4eb06aa9e1a
tree: f16823d3d59bd46c92f4c96051553bc3b9616c64
  1. tests/