[Android] Fix a few issues related to old lib deletion.

mojo/shell/android/apk/src/org/chromium/mojo_shell_apk/MojoShellActivity.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.mojo_shell_apk;
 
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
 import android.widget.EditText;
 
 import org.chromium.base.library_loader.LibraryLoader;
 import org.chromium.base.library_loader.ProcessInitException;
 
 /**
  * Activity for managing the Mojo Shell.
  */
 public class MojoShellActivity extends Activity {
     private static final String TAG = "MojoShellActivity";
 
     @Override
     protected void onCreate(final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         try {
-            LibraryLoader.ensureInitialized(null);
+            LibraryLoader.ensureInitialized();
         } catch (ProcessInitException e) {
             Log.e(TAG, "libmojo_shell initialization failed.", e);
             finish();
             return;
         }
 
         MojoMain.init(this);
 
         String appUrl = getUrlFromIntent(getIntent());
         if (appUrl == null) {
@@ skipping 18 matching lines @@
 
     private static String getUrlFromIntent(Intent intent) {
         return intent != null ? intent.getDataString() : null;
     }
 
     private void startWithURL(String url) {
         MojoMain.start(this, url);
         Log.i(TAG, "Mojo started: " + url);
     }
 }