Run the charger in the healthd domain.

Current policy assumes that the charger will run in the healthd domain.
Add a seclabel entry for the charger service to ensure that it runs
in the healthd domain even when the charger is a separate binary.

Change-Id: Ic49a707aeb73132e290d218f28ed5c45b4e0e861
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
diff --git a/init.manta.rc b/init.manta.rc
index f8e9f71..83963d4 100644
--- a/init.manta.rc
+++ b/init.manta.rc
@@ -176,6 +176,7 @@
 
 service battery_charger /charger
     class charger
+    seclabel u:r:healthd:s0
 
 # Set watchdog timer to 30 seconds and pet it every 10 seconds to get a 20 second margin
 service watchdogd /sbin/watchdogd 10 20