Add Wifi HAL to get factory MAC address

Add getFactoryMacAddress method to retrieve the factory MAC of Sta
interface.

Bug: 111634904
Test: Manual Verification
Test: run vts with command "mma -j64 && adb sync data && adb shell data/nativetest64/VtsHalWifiV1_3TargetTest/VtsHalWifiV1_3TargetTest"
Change-Id: I82b47366d3576201ef54a4e89a3f864c31fff42c
diff --git a/wifi/1.3/vts/functional/Android.bp b/wifi/1.3/vts/functional/Android.bp
index f5a0999..53c8f08 100644
--- a/wifi/1.3/vts/functional/Android.bp
+++ b/wifi/1.3/vts/functional/Android.bp
@@ -20,6 +20,7 @@
     srcs: [
         "VtsHalWifiV1_3TargetTest.cpp",
         "wifi_chip_hidl_test.cpp",
+        "wifi_sta_iface_hidl_test.cpp",
     ],
     static_libs: [
         "VtsHalWifiV1_0TargetTestUtil",