SupplicantStaIfaceHalTest: Fixing ordering nit

Move all the private methods below the tests.

Bug: 33383725
Test: Compiles
Change-Id: I04afd80ac2d32e78a330816be20fe50a9c19de58
1 file changed
tree: 748671c35ab914ec8f05291442e688cf1f5e5f4a
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg