Suppress gtest error for tests without any instance am: 7f40613792 am: d55adae254 am: 41e30b93fb

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1441023

Change-Id: I0d36be0d08c395aca02f26e9e81f1bdc5f4ebf71
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