Sort imports

Having consistent import order will reduce chance of merge
conflict between internal and external master

Test: rebuild
Change-Id: I0b1a170967ddcce7f388603fd521f6ed1eeba30b

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

@@ -19,11 +19,11 @@ package com.android.settings.fuelgauge;
 import android.content.Context;
 import android.os.UserManager;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.internal.os.BatteryStatsHelper;
 import com.android.settingslib.utils.AsyncLoaderCompat;
 
-import androidx.annotation.VisibleForTesting;
-
 /**
  * Loader to get new {@link BatteryStatsHelper} in the background
  */