Move //mojo/shell to //shell

shell/android/apk/src/org/chromium/mojo_shell_apk/FileHelper.java

 // Copyright 2014 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.content.Context;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
@@ skipping 70 matching lines @@
             throws IOException {
         byte[] buffer = new byte[BUFFER_SIZE];
         OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(outputFile));
         int read;
         while ((read = inputStream.read(buffer, 0, BUFFER_SIZE)) > 0) {
             outputStream.write(buffer, 0, read);
         }
         outputStream.close();
     }
 }