getConnectionOwnerUid: add test for b/141603906

Test: on Marlin and Blueline run
    cts-tradefed run cts -m CtsHostsideNetworkTests \
    -t com.android.cts.net.HostsideVpnTests#testB141603906
Bug: 141603906
Change-Id: I759bc2295b2060e4575d61718c551d201a6455be
2 files changed
tree: c71e4ed76e4d37b9d6e59f2b48f637046f5d2427
  1. tests/