Set SELinux security context for recovery service.

Recent changes to core recovery code puts init and
all services into their own domain. Put the watchdogd
service into its own domain to be consistent.

Change-Id: I1b483209f218359d250e51f714aa4399f38855b9
Signed-off-by: rpcraig <rpcraig@tycho.ncsc.mil>
diff --git a/init.recovery.manta.rc b/init.recovery.manta.rc
index 78cc71b..293cd13 100644
--- a/init.recovery.manta.rc
+++ b/init.recovery.manta.rc
@@ -4,3 +4,4 @@
 # Set watchdog timer to 30 seconds and pet it every 10 seconds to get a 20 second margin
 service watchdogd /sbin/watchdogd 10 20
     class core
+    seclabel u:r:watchdogd:s0