Wifi: Add VTS tests for Vendor HAL 1.6

This commit adds the VTS tests for the Wifi Vendor HAL 1.6

Bug: 220014236
Test: atest VtsHalWifiV1_6TargetTest
Test: atest VtsHalWifiNanV1_6TargetTest
Test: atest VtsHalWifiRttV1_6TargetTest
Change-Id: Id9f034c25029ef7a7f437185082abef67776ac8f
6 files changed