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/vpn2/AppDialog.java

@@ -21,10 +21,10 @@ import android.content.DialogInterface;
 import android.content.pm.PackageInfo;
 import android.os.Bundle;
 
-import com.android.settings.R;
-
 import androidx.appcompat.app.AlertDialog;
 
+import com.android.settings.R;
+
 /**
  * UI for managing the connection controlled by an app.
  *