Build fix.

Change-Id: If187062cc456db49a6eb4987c0548f09fac75cf4
diff --git a/src/compiler/driver/compiler_driver.cc b/src/compiler/driver/compiler_driver.cc
index 4e8ebbd..9db9ee8 100644
--- a/src/compiler/driver/compiler_driver.cc
+++ b/src/compiler/driver/compiler_driver.cc
@@ -1397,6 +1397,7 @@
   "Ljavax/net/ssl/HttpsURLConnection;", // Calls SSLSocketFactory.getDefault -> java.security.Security.getProperty.
   "Llibcore/icu/LocaleData;", // Requires java.util.Locale.
   "Llibcore/icu/TimeZoneNames;", // Requires java.util.TimeZone.
+  "Llibcore/io/IoUtils;",  // Calls OsConstants.initConstants.
   "Llibcore/io/OsConstants;", // Platform specific.
   "Llibcore/net/MimeUtils;", // Calls libcore.net.MimeUtils.getContentTypesPropertiesStream -> System.getProperty.
   "Llibcore/util/ZoneInfo;", // Sub-class of TimeZone.