wifi: Fix for VtsHalWifiSupplicantV1_0TargetTest failures

Since some of the APIs are overridden by an upgraded API in newer HAL,
Check the return value of such deprecated APIs and if it's
FAILURE_UNKNOWN, don't proceed and consider it as pass.

Bug: 147821406
Bug: 146991831
Bug: 149045565
Test: atest VtsHalWifiSupplicantV1_0TargetTest
Test: atest VtsHalWifiSupplicantV1_1TargetTest
Test: atest VtsHalWifiSupplicantV1_2TargetTest
Change-Id: I28c4431bfeaaa7a628be71f41f8299a85fed7eed