[WifiRoamingTest] Fix test_roaming_fail_psk_2g

Make this test case can be tested on both
Google Onhub and OpenWrt.

Bug: 190580975
Test: Done
Change-Id: Ifaebb987ac1e979f49dfd37f6ab26cd2c7d509e6
1 file changed
tree: f0cb562b14585b8532e73cab987dbaefbc422037
  1. acts/
  2. acts_tests/
  3. tools/
  4. wts-acts/
  5. Android.mk
  6. OWNERS
  7. PREUPLOAD.cfg