wifi: Add STA + STA HIDL API's

Add the HIDL API's + shim + VTS tests.

Bug: 170305665
Test: atest VtsHalWifiV1_3TargetTest VtsHalWifiV1_5TargetTest
Change-Id: I26ada11aebfe8082bfda251cf7e6990e0aa08a06
20 files changed