Vpn test would destroy socket. If adb run over network, adb
socket would be killed during Vpn test. Then, test stop due to
adb disconnect.
Bug: 119382723
Bug: 135225500
Bug: 126645908
Test: Just cherry-pick with conflict fix
Change-Id: I91b4ab018a9e7fc73dcb7969e4a6520d6b27d629
Merged-In: I91b4ab018a9e7fc73dcb7969e4a6520d6b27d629
Merged-In: Id6f986aacc3cadf713ebbc8305ca535b861390fc
(cherry picked from commit de0f268f78)