msm8916: update GIDs for qmuxd and rmt_storage

Add GID "wakelock" for the Qualcomm daemons qmuxd and rmt_storage, to allow
sysfs wakelock interface access per recent Android changes, as was done for
Nexus and Android One devices in bug 25864142.

Bug: 26348967
Bug: 25864142
Change-Id: I7456a6e24bd014ce66577d320217f12622f7fc9a
diff --git a/soc/msm8916/prebuilts/audio.rc b/soc/msm8916/prebuilts/audio.rc
index e24d2b6..baa2c80 100644
--- a/soc/msm8916/prebuilts/audio.rc
+++ b/soc/msm8916/prebuilts/audio.rc
@@ -31,9 +31,11 @@
 service rmt_storage /system/bin/rmt_storage
     class core
     user root
+    group system wakelock
     disabled
 
 service qmuxd /system/bin/qmuxd
     class main
     user root
+    group radio audio bluetooth wakelock gps
     disabled