MTS: only run FrameworksWifiTests if Wifi module is installed

Bug: 150650681
Test: m mts && mts-tradefed run mts-wifi
Change-Id: I4351b29a31609f329fe4dea8d1dafa544f0fa1fd
1 file changed
tree: 4f1a9f33daa0a9b52ad26432e25929e1baec8012
  1. apex/
  2. service/
  3. PREUPLOAD.cfg