Merge "Add TetheringServiceTest unitest" into rvc-dev am: c920673e5f am: 4cea68cf9c am: 7c543a1a90

Change-Id: I58ff75339f93ca53c1c39eca1eb65a2da6b5ff97
tree: 9e4f340823e09a86ede3cfb5bf58a0474e770d9c
  1. Tethering/