supplicant(vts): Stop adding empty instance for vendor HAL am: b9ddf021d3 am: 8a4e68b788 am: 329fe1ca18

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1438028

Change-Id: Ib32992f893ff0fc118bf11d0173e5a403b6f8a97
diff --git a/audio/common/all-versions/default/service/android.hardware.audio.service.rc b/audio/common/all-versions/default/service/android.hardware.audio.service.rc
index f7e1e24..45fef9a 100644
--- a/audio/common/all-versions/default/service/android.hardware.audio.service.rc
+++ b/audio/common/all-versions/default/service/android.hardware.audio.service.rc
@@ -2,7 +2,7 @@
     class hal
     user audioserver
     # media gid needed for /dev/fm (radio) and for /data/misc/media (tee)
-    group audio camera drmrpc inet media mediadrm net_bt net_bt_admin net_bw_acct wakelock
+    group audio camera drmrpc inet media mediadrm net_bt net_bt_admin net_bw_acct wakelock context_hub
     capabilities BLOCK_SUSPEND
     ioprio rt 4
     task_profiles ProcessCapacityHigh HighPerformance