Enable icu_use_data_file_flag on Android

chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellApplication.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.chrome.shell;
 
 import android.content.Intent;
 
 import org.chromium.base.CommandLine;
 import org.chromium.base.PathUtils;
 import org.chromium.chrome.browser.ChromiumApplication;
 import org.chromium.chrome.browser.PKCS11AuthenticationManager;
 import org.chromium.chrome.browser.UmaUtils;
 import org.chromium.chrome.browser.invalidation.UniqueIdInvalidationClientNameGenerator;
 import org.chromium.content.browser.ResourceExtractor;
 
 import java.util.ArrayList;
 
 /**
  * A basic test shell {@link android.app.Application}.  Handles setting up the native library and
  * loading the right resources.
  */
 public class ChromeShellApplication extends ChromiumApplication {
     private static final String PRIVATE_DATA_DIRECTORY_SUFFIX = "chromiumtestshell";
+    /**
+     * icudtl.dat provides ICU (i18n library) with all the necessary data
+     * for its operation. We used to link the data statically to our binary,
+     * but don't do that any more and need to install along with pak files.
+     * See src/third_party/icu/README.chromium.
+     */
     private static final String[] CHROME_MANDATORY_PAKS = {
         "en-US.pak",
         "resources.pak",
         "chrome_100_percent.pak",
+        "icudtl.dat",
     };
     private static final String COMMAND_LINE_FILE =
             "/data/local/tmp/chromium-testshell-command-line";
 
     ArrayList<ChromeShellApplicationObserver> mObservers;
 
     @Override
     public void onCreate() {
         // We want to do this at the earliest possible point in startup.
         UmaUtils.recordMainEntryPointTime();
@@ skipping 48 matching lines @@
     @Override
     protected boolean areParentalControlsEnabled() {
         return false;
     }
 
     @Override
     protected PKCS11AuthenticationManager getPKCS11AuthenticationManager() {
         return new TestShellPKCS11AuthenticationManager();
     }
 }