More work on process tracking.

Re-arranged code to be more flexible, now track
state of services, dump ordered list of running
processes while memory was critical and low.

Also rename battery stats service from "batteryinfo" to "batterystats".

Change-Id: I0f4f0c8d443c49d255cb84d0fc917e8ec18b152e
diff --git a/services/java/com/android/server/VibratorService.java b/services/java/com/android/server/VibratorService.java
index 21d3111..9b5f8f6 100644
--- a/services/java/com/android/server/VibratorService.java
+++ b/services/java/com/android/server/VibratorService.java
@@ -24,6 +24,7 @@
 import android.content.pm.PackageManager;
 import android.database.ContentObserver;
 import android.hardware.input.InputManager;
+import android.os.BatteryStats;
 import android.os.Handler;
 import android.os.IVibratorService;
 import android.os.PowerManager;
@@ -143,7 +144,8 @@
         mWakeLock.setReferenceCounted(true);
 
         mAppOpsService = IAppOpsService.Stub.asInterface(ServiceManager.getService(Context.APP_OPS_SERVICE));
-        mBatteryStatsService = IBatteryStats.Stub.asInterface(ServiceManager.getService("batteryinfo"));
+        mBatteryStatsService = IBatteryStats.Stub.asInterface(ServiceManager.getService(
+                BatteryStats.SERVICE_NAME));
 
         mVibrations = new LinkedList<Vibration>();