Build Wifi offload's vts modules

Test: make vts -j30 BUILD_GOOGLE_VTS=true TARGET_PRODUCT=aosp_arm64 &&
vts-tradefed run commandAndExit vts --skip-all-system-status-check
--primary-abi-only --skip-preconditions --module
VtsHalWifiOffloadV1_0Target -l INFO
Bug: 36865676

Change-Id: I49a36f94c4da4f657be50dc1b8d3c5542d7332d3
3 files changed