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/print/SettingsPrintServicesLoader.java

@@ -22,12 +22,12 @@ import android.print.PrintManager;
 import android.print.PrintServicesLoader;
 import android.printservice.PrintServiceInfo;
 
+import androidx.loader.content.Loader;
+
 import com.android.internal.util.Preconditions;
 
 import java.util.List;
 
-import androidx.loader.content.Loader;
-
 /**
  * Loader for the list of print services. Can be parametrized to select a subset.
  */