Enable icu_use_data_file_flag on Android

content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellApplication.java

Index: content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellApplication.java
diff --git a/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellApplication.java b/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellApplication.java
index 43ded486615d63a25794450936ca5fc8310c0bf0..b068ea0cfcc032b95f68803f66080def0df8d1f4 100644
--- a/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellApplication.java
+++ b/content/shell/android/shell_apk/src/org/chromium/content_shell_apk/ContentShellApplication.java
@@ -13,8 +13,16 @@ import org.chromium.content.browser.ResourceExtractor;
  * to be shared across the main activity and the child services created.
  */
 public class ContentShellApplication extends ContentApplication {
-
-    private static final String[] MANDATORY_PAK_FILES = new String[] {"content_shell.pak"};
+    /**
+     * icudtl.dat provides ICU (i18n library) with all the data for its
+     * operation. We use to link it statically to our binary, but not any more
+     * so that we have to install it along with other mandatory pak files.
+     * See src/third_party/icu/README.chromium.
+     */
+    private static final String[] MANDATORY_PAK_FILES = new String[] {
+        "content_shell.pak",
+        "icudtl.dat"
+    };
     private static final String PRIVATE_DATA_DIRECTORY_SUFFIX = "content_shell";
 
     @Override