[Java] Add Apache Mnemonic (incubating) as alternative allocator for storage-class memory support

**Reporter**: [Wes McKinney](https://issues.apache.org/jira/browse/ARROW-1760) / @wesm
#### PRs and other links:
- [GitHub Pull Request apache/arrow#36](https://github.com/apache/arrow/pull/36)

_{**Note**: *This issue was originally created as [ARROW-1760](https://issues.apache.org/jira/browse/ARROW-1760). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*}

首先查看链接的 pull request apache/arrow#36，以及 issue 中对 Apache Mnemonic 和存储类内存的引用。根据这项工作确定还需要完成哪些集成，并且只有在替代 allocator 支持已实现并经过验证后，才将该 issue 视为完成。

由索引模型根据 Issue 内容生成。