allow cnd to acquire wakelock

allow cnd to acquire and release wakelock to process requests
while device is in doze status.
Bug:24546055

Change-Id: Ia74a00cf10c904f75df803d561013a2869f8dd3e
diff --git a/sepolicy/cnd.te b/sepolicy/cnd.te
index 4c3dcb9..234e740 100644
--- a/sepolicy/cnd.te
+++ b/sepolicy/cnd.te
@@ -29,3 +29,5 @@
 userdebug_or_eng(`
   allow cnd smem_log_device:chr_file rw_file_perms;
 ')
+
+wakelock_use(cnd)