Add builder constructor that takes algo params

[jmazanec15]

Issue #, if available:
#288

Description of changes:
Backport mapper merge fix to odfe-1.12

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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (opendistro-1.12@de2019a). Click here to learn what that means.
The diff coverage is n/a.

@@                Coverage Diff                 @@
##             opendistro-1.12     #292   +/-   ##
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  Coverage                   ?   79.49%           
  Complexity                 ?      359           
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  Files                      ?       58           
  Lines                      ?     1414           
  Branches                   ?      129           
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  Hits                       ?     1124           
  Misses                     ?      242           
  Partials                   ?       48           

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[vamshin]

LGTM!