health: vendor.charger-* -> vendor.charger.

Devices may have actions triggered by
init.svc.vendor.charger. If the name is changed,
these actions are not triggered properly.

The name is usually vendor.charger, so the default
service will also use vendor.charger as the name.

Test: none
Bug: 215152892
Change-Id: Icb296ae82a6f3472730fdb3abc35dcede22889e7
diff --git a/health/aidl/default/android.hardware.health-service.example.rc b/health/aidl/default/android.hardware.health-service.example.rc
index 4258890..e052024 100644
--- a/health/aidl/default/android.hardware.health-service.example.rc
+++ b/health/aidl/default/android.hardware.health-service.example.rc
@@ -5,7 +5,7 @@
     capabilities WAKE_ALARM BLOCK_SUSPEND
     file /dev/kmsg w
 
-service vendor.charger-default /vendor/bin/hw/android.hardware.health-service.example --charger
+service vendor.charger /vendor/bin/hw/android.hardware.health-service.example --charger
     class charger
     seclabel u:r:charger_vendor:s0
     user system