Add authentication info parameter in the constructor of ZooKeeperDataSource to support authentication

[qinggeng2015]

The constructor method of ZooKeeperDataSource adds authentication information to support authentication.

Resolves #501

[CLAassistant]

All committers have signed the CLA.

[sczyh30]

Hi, thanks for contributing. Could you please sign the CLA here?

[codecov-io]

Codecov Report

Merging #508 into master will increase coverage by 0.11%.
The diff coverage is 75%.

@@             Coverage Diff              @@
##             master     #508      +/-   ##
============================================
+ Coverage     37.66%   37.77%   +0.11%     
- Complexity     1099     1104       +5     
============================================
  Files           259      259              
  Lines          8159     8171      +12     
  Branches       1111     1113       +2     
============================================
+ Hits           3073     3087      +14     
+ Misses         4690     4688       -2     
  Partials        396      396

Impacted Files	Coverage Δ	Complexity Δ
...inel/datasource/zookeeper/ZookeeperDataSource.java	61.33% <75%> (+5.77%)	8 <1> (+4)	⬆️
...s/block/flow/controller/RateLimiterController.java	89.65% <0%> (+10.34%)	8% <0%> (+1%)	⬆️

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[qinggeng2015]

Hi, thanks for contributing. Could you please sign the CLA here?

Hello, signing done.

[sczyh30]

Could you please illustrate your design in the PR description?

[qinggeng2015]

Could you please illustrate your design in the PR description?

您好，在ZookeeperDataSource中增加了一个新的构造方法
public ZookeeperDataSource(final String serverAddr, final List<AuthInfo> authInfos, final String groupId, final String dataId,Converter<String, T> parser)
可以接收一个类型为List<AuthInfo>的参数，在创建zkClient时使用CuratorFrameworkFactory.builder().authorization()方法将authInfos添加到zkClient中。

另外在ZookeeperDataSourceTest中添加了一个测试方法testZooKeeperDataSourceAuthorization进行了验证。

[sczyh30]

LGTM

[sczyh30]

Nice, thanks for contributing!