[automerger skipped] Merge "Add TetheringServiceTest unitest" into rvc-dev am: c920673e5f -s ours

am skip reason: Change-Id I68cd403302848c041444e6d47652435d67f59273 with SHA-1 e96f42d27b is in history

Change-Id: Ibfce142fdcf6c79a4220c241b63dadf147caf80c