use --only-enabled

When servicemanager died, even disabled services were started. Use the
new init option --only-enabled to prevent disabled services from
starting in this case.

Bug: 190065372
Test: atest init_kill_services_test
Change-Id: I5121accdfc30834412d28327d1b18432236cea8a
diff --git a/cmds/servicemanager/servicemanager.rc b/cmds/servicemanager/servicemanager.rc
index 0dd29e0..e5d689f 100644
--- a/cmds/servicemanager/servicemanager.rc
+++ b/cmds/servicemanager/servicemanager.rc
@@ -6,8 +6,8 @@
     onrestart restart apexd
     onrestart restart audioserver
     onrestart restart gatekeeperd
-    onrestart class_restart main
-    onrestart class_restart hal
-    onrestart class_restart early_hal
+    onrestart class_restart --only-enabled main
+    onrestart class_restart --only-enabled hal
+    onrestart class_restart --only-enabled early_hal
     task_profiles ServiceCapacityLow
     shutdown critical