Proper handle policy changes

app/src/main/java/com/topjohnwu/magisk/receivers/PackageReceiver.java

@@ -12,13 +12,13 @@ public class PackageReceiver extends BroadcastReceiver {
     @Override
     public void onReceive(Context context, Intent intent) {
         MagiskManager magiskManager = Utils.getMagiskManager(context);
+        magiskManager.initSUConfig();
+
         String pkg = intent.getData().getEncodedSchemeSpecificPart();
         Policy policy = magiskManager.suDB.getPolicy(pkg);
         if (policy == null)
             return;
 
-        magiskManager.initSUConfig();
-
         switch (intent.getAction()) {
             case Intent.ACTION_PACKAGE_ADDED:
                 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);