KYLIN-3094 Upgrade zookeeper version from 3.4.8 to 3.4.12

[nichunen]

No description provided.

[asfgit]

Can one of the admins verify this patch?

[codecov-io]

Codecov Report

Merging #151 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #151      +/-   ##
============================================
+ Coverage     22.14%   22.14%   +<.01%     
  Complexity     4020     4020              
============================================
  Files          1012     1012              
  Lines         61207    61207              
  Branches       8768     8768              
============================================
+ Hits          13554    13555       +1     
  Misses        46413    46413              
+ Partials       1240     1239       -1

Impacted Files	Coverage Δ	Complexity Δ
...lin/dict/lookup/cache/RocksDBLookupTableCache.java	76.68% <0%> (+0.51%)	27% <0%> (ø)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9fa82a4...6868483. Read the comment docs.

[coveralls]

Pull Request Test Coverage Report for Build 3212

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 24.174%

---

Totals
Change from base Build 3210:	0.0%
Covered Lines:	14796
Relevant Lines:	61207

---

💛 - Coveralls