RANGER-4418: Upgrade hadoop version and use shaded hadoop client artifacts

[eubnara]

What changes were proposed in this pull request?

(Please fill in changes proposed in this fix. Create an issue in ASF JIRA before opening a pull request and set the title of the pull request which starts with the corresponding JIRA issue number. (e.g. RANGER-XXXX: Fix a typo in YYY)) Please refer to https://issues.apache.org/jira/browse/RANGER-4418.

How was this patch tested?

(Please explain how this patch was tested. Ex: unit tests, manual tests) (If this patch involves UI changes, please attach a screen-shot; otherwise, remove this) Manually tested on private hadoop cluster.