Merge "Refactor 1.0 TetheroffloadControl VTS" am: 628db71ca0 am: 589ee9d105 am: b92013ee46 am: 11f386a21d

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

Change-Id: I9864c205d17e62c92cb5509f2f164baa9175ac74