Merge "Refactor 1.0 TetheroffloadControl VTS" am: 628db71ca0 am: 589ee9d105 am: b92013ee46

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1481236

Change-Id: Ic99d36c421058a39b58c0bc33ac2b36a68bf4576