servicemanager: Add support for "audio" service running as  AID_AUDIO user

Change-Id: Ia41f1edd05f233ac5ce43c34eb8ab3ab76ffa194
diff --git a/cmds/servicemanager/service_manager.c b/cmds/servicemanager/service_manager.c
index 3eaf1eb..5dd3811 100644
--- a/cmds/servicemanager/service_manager.c
+++ b/cmds/servicemanager/service_manager.c
@@ -32,6 +32,7 @@
     { AID_MEDIA, "media.player" },
     { AID_MEDIA, "media.camera" },
     { AID_MEDIA, "media.audio_policy" },
+    { AID_AUDIO, "audio" },
     { AID_DRM,   "drm.drmManager" },
     { AID_NFC,   "nfc" },
     { AID_BLUETOOTH, "bluetooth" },