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)
This allows developers to build the test packages individually without
needing to build the entire CTS release.
Add new build target for support packages
bug: 18945639
Change-Id: I60b79797b2d254b96aa98f88cfd5b19d195ea982