Fix issue #9860494: Waiting for service batteryinfo...

I changed the name of the service, this needs to follow.

Change-Id: Id8e346cee9d75cfe142cd43f6aea43302878b6dc
diff --git a/services/sensorservice/BatteryService.cpp b/services/sensorservice/BatteryService.cpp
index 70b65ab..38dc749 100644
--- a/services/sensorservice/BatteryService.cpp
+++ b/services/sensorservice/BatteryService.cpp
@@ -33,7 +33,7 @@
 BatteryService::BatteryService() {
     const sp<IServiceManager> sm(defaultServiceManager());
     if (sm != NULL) {
-        const String16 name("batteryinfo");
+        const String16 name("batterystats");
         mBatteryStatService = sm->getService(name);
     }
 }