klte-common: Grant rmt_storage proper unix perms

Do not grant DAC override permission which would allow this daemon
unix permissions to everything.

avc: denied { dac_override } for pid=2664 comm="rmt_storage" capability=1 scontext=u:r:rmt_storage:s0 tcontext=u:r:rmt_storage:s0 tclass=capability permissive=0

Add wakelock group to access:
/sys/power/wake_lock
-rw-rw----  1 radio  wakelock 4096 2017-06-28 00:37 wake_unlock

Change-Id: Ib02b4aedab479f5ad8aca3a2100b5c489397002a

rootdir/etc/init.qcom.rc

@@ -907,7 +907,7 @@ service rfs_access /system/bin/rfs_access
 service rmt_storage /system/bin/rmt_storage
     class core
     user root
-    group system
+    group system wakelock
 
 service qmuxd /system/bin/qmuxd
     class core

sepolicy/rmt_storage.te

@@ -1 +0,0 @@
-allow rmt_storage self:capability dac_override;