Merge history of CTS

BUG: 167962976
Test: TH
Merged-In: I19b6b09febeb62867cd3d26246b2b3b46b9422c6
Change-Id: Ia3d5f2201ce67308df8e2689f6c99e28049a4877
tree: 60dbbbe9da0fa82a11ddc6e49a3fe3e04201e498
  1. tests/
  2. Tethering/