Make the fuchsia mojo/public repo the source of truth.

mojo/public/java/bindings/src/org/chromium/mojo/bindings/HandleOwner.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.bindings;
-
-import org.chromium.mojo.system.Handle;
-
-import java.io.Closeable;
-
-/**
- * Describes a class that owns a handle.
- *
- * @param <H> The type of the owned handle.
- */
-public interface HandleOwner<H extends Handle> extends Closeable {
-
-    /**
-     * Pass the handle owned by this class.
-     */
-    public H passHandle();
-
-    /**
-     * @see java.io.Closeable#close()
-     */
-    @Override
-    public void close();
-
-}