Move //webapk to //chrome/android/webapk

chrome/android/webapk/shell_apk/javatests/src/org/chromium/webapk/shell_apk/DexLoaderTest.java

 // Copyright 2016 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.webapk.shell_apk;
 
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.ServiceConnection;
@@ skipping 299 matching lines @@
     /** Returns whether the ClassLoader can load {@link CANARY_CLASS_NAME} */
     private boolean canLoadCanaryClass(ClassLoader loader) {
         try {
             loader.loadClass(CANARY_CLASS_NAME);
             return true;
         } catch (Exception e) {
             return false;
         }
     }
 }