[Cronet] Separate Cronet implementation and API by package name.

components/cronet/android/java/src/org/chromium/net/Version.template

-// 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.net;
-
-// Version based on chrome/VERSION.
-public class Version {
-    public static final String CRONET_VERSION = "@MAJOR@.@MINOR@.@BUILD@.@PATCH@";
-    public static final String LAST_CHANGE = "@LASTCHANGE@";
-
-    public static String getVersion() {
-        return CRONET_VERSION + "@" + LAST_CHANGE.substring(0, 8);
-    }
-}