SupplicantStaIfaceHal: Cleanup getter method calling code

Clean up the existing calling code wrappers over the HIDL getter
methods so that they follow the same pattern throughout the file.

Bug: 33383725
Test: Existing unit tests
Change-Id: Id6547d54b5154a89f6a847ec908b1c5bceed3ad4
1 file changed
tree: e64ad1d81be0c8da20910112e9deaa7ad5395016
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg