[KYUUBI-SHADED #4] Copy StaticHostProvider from Zookeeper 3.4.14

### _Why are the changes needed?_

Simply copy `StaticHostProvider` from Zookeeper 3.4.14, to pave the way for fixing ZOOKEEPER-3779

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/master/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #4 from pan3793/zk-34.

6c588c9 [Cheng Pan] Copy StaticHostProvider from Zookeeper 3.4.14

Authored-by: Cheng Pan <chengpan@apache.org>
Signed-off-by: Cheng Pan <chengpan@apache.org>
2 files changed