Monitor duplicateMerge track algo in MultiTrackValidator

[makortel]

This PR is a follow-up to #12577 by adding the monitoring of duplicateMerge to tracking validation.

Tested in CMSSW_8_0_X_2015-12-03-2300, expecting addition of "duplicateMerge" algorithm in MTV summary plots and corresponding subfolders for the plots.

@rovere @VinInn

[cmsbuild]

A new Pull Request was created by @makortel (Matti Kortelainen) for CMSSW_8_0_X.

It involves the following packages:

Validation/RecoTrack

@cmsbuild, @vanbesien, @deguio, @davidlange6 can you please review it and eventually sign? Thanks.
@GiacomoSguazzoni, @rovere, @VinInn, @cerati, @wmtford, @istaslis, @dgulhan this is something you requested to watch as well.
@slava77, @Degano, @smuzaffar you are the release manager for this.

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[makortel]

It would be nice to get this in the same pre-release as #12577.

[deguio]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/10164/console

[deguio]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_8_0_X IBs after it passes the integration tests. This pull request requires discussion in the ORP meeting before it's merged. @slava77, @davidlange6, @Degano, @smuzaffar

[cmsbuild]

+1
Tested at: a117a80
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-12666/10164/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-12666/10164/summary.html

[davidlange6]

+1