Add default health 2.1 service to class charger am: b6f7e58a64 am: d95d25f5e9

Change-Id: I0a22049bc5422899d94cd52ee8e10274b5a9d9f7
diff --git a/health/2.1/default/android.hardware.health@2.1-service.rc b/health/2.1/default/android.hardware.health@2.1-service.rc
index 917f1c2..b6d9e3b 100644
--- a/health/2.1/default/android.hardware.health@2.1-service.rc
+++ b/health/2.1/default/android.hardware.health@2.1-service.rc
@@ -1,5 +1,5 @@
 service health-hal-2-1 /vendor/bin/hw/android.hardware.health@2.1-service
-    class hal
+    class hal charger
     user system
     group system
     capabilities WAKE_ALARM