SupplicantStaIfaceHal: Add null checks for WPS methods

Bug: 35922006
Test: Unit tests
Change-Id: I0d10e23422f45ced464ee2f3a66f6fbc59424a00
2 files changed
tree: e96e05d0b35ff3db9e8497d588b1ab4471a2fffe
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg