Add VTS for Bluetooth Socket Offload am: 8959c5a766

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3307317

Change-Id: If06cbc4b1962164524b6cc064a20f7884d4ee9ef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>