Replace getBatteryIntent() to centralized method

Replace the current getBatteryIntent() in the Settings into the
centralized method in the SettingsLib

Bug: N/A
Test: presubmit
Change-Id: If27d01c4ff52259e0185ca5d16ac88ca1bebac82

src/com/android/settings/fuelgauge/BatteryUtils.java

@@ -618,8 +618,7 @@ public class BatteryUtils {
 
     /** Gets the latest sticky battery intent from the Android system. */
     public static Intent getBatteryIntent(Context context) {
-        return context.registerReceiver(
-                /*receiver=*/ null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
+        return com.android.settingslib.fuelgauge.BatteryUtils.getBatteryIntent(context);
     }
 
     /** Gets the current dock defender mode */