Fix Round fix issue when input is negative and end with .5

[harold-wang]

*Issue #908
Round function did not round negative number correctly in case input is negative and end with .5.
issue: Round(-3.5) = 3.0 instead of 4.0

Description of changes:
Change Round(double) to Round(double, 0)

Test: IT added and 100% pass

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Merging #914 (5635846) into develop (d170da3) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             develop     #914   +/-   ##
==========================================
  Coverage      99.85%   99.85%           
  Complexity      2149     2149           
==========================================
  Files            216      216           
  Lines           4851     4852    +1     
  Branches         323      323           
==========================================
+ Hits            4844     4845    +1     
  Misses             5        5           
  Partials           2        2           

Impacted Files	Coverage Δ	Complexity Δ
...ssion/operator/arthmetic/MathematicalFunction.java	100.00% <100.00%> (ø)	122.00 <1.00> (ø)

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[dai-chen]

Thanks for the fix!