Revert "Relax the check of network availability in CtsHostsideNetworkTests."

This reverts commit 863ec4b9cb4ee9a8f428bcc76469011bebb0e7ae.

Bug: 27803922
Change-Id: I3ccf33779df580ed615f44d0410676cba972ea6c
1 file changed
tree: 9240cf02d164c975ebfcbb59bad9b046faa56fae
  1. tests/