Keep tests building.

Bug: 17183379
Change-Id: I7f52af3201975e8c626a6c6d7f508fd8d006b204
diff --git a/core/java/android/os/FileBridge.java b/core/java/android/os/FileBridge.java
index 3784225..022a106 100644
--- a/core/java/android/os/FileBridge.java
+++ b/core/java/android/os/FileBridge.java
@@ -140,6 +140,11 @@
             mClient = clientPfd.getFileDescriptor();
         }
 
+        public FileBridgeOutputStream(FileDescriptor client) {
+            mClientPfd = null;
+            mClient = client;
+        }
+
         @Override
         public void close() throws IOException {
             try {