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/datausage/AppPrefLoader.java

@@ -21,10 +21,10 @@ import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.util.ArraySet;
 
-import com.android.settingslib.utils.AsyncLoaderCompat;
-
 import androidx.preference.Preference;
 
+import com.android.settingslib.utils.AsyncLoaderCompat;
+
 public class AppPrefLoader extends AsyncLoaderCompat<ArraySet<Preference>> {
     private ArraySet<String> mPackages;
     private PackageManager mPackageManager;