Revert "Revert "netmgrd: allow netmgrd to acquire wakelock""

This reverts commit d05299c09313e8d606b222198debdae5517f1d4d.

Matching netmgrd for iwlan optimization has been reuploaded.
Bug: 24806096

Change-Id: I29661843c56766a2a40cfbc7f257532ee76aba90
diff --git a/sepolicy/netmgrd.te b/sepolicy/netmgrd.te
index 766db17..18a6f79 100755
--- a/sepolicy/netmgrd.te
+++ b/sepolicy/netmgrd.te
@@ -37,3 +37,6 @@
 
 # execute toybox/toolbox
 allow netmgrd toolbox_exec:file rx_file_perms;
+
+#Allow netmgrd to use wakelock
+wakelock_use(netmgrd)