Fix overflow filling in MultiTrackValidator and PackedCandidateTrackValidator

[makortel]

This PR fixes fill(Plot)NoFlow functions in MultiTrackValidator and PackedCandidateTrackValidator to fill the last bin instead of overflow bin in case of overflow. This is the intention, and is already correctly done for underflows.

Thanks to @arizzi for noticing the bug (#18092 (comment)).

Tested in 9_1_0_pre2, expecting changes in MultiTrackValidator and PackedCandidateTrackValidator histograms that are filled with "no under/overflow" (=nearly all) in the last bin.

@rovere @VinInn

[makortel]

@cmsbuild, please test

[makortel]

type bugfix

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/19211/console Started: 2017/04/18 12:23

[cmsbuild]

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

It involves the following packages:

DQM/TrackingMonitor
Validation/RecoTrack

@cmsbuild, @dmitrijus, @vanbesien, @davidlange6 can you please review it and eventually sign? Thanks.
@hdelanno, @felicepantaleo, @GiacomoSguazzoni, @rovere, @VinInn, @fioriNTU, @wmtford, @mtosi, @idebruyn, @ebrondol, @threus, @dgulhan this is something you requested to watch as well.
@Muzaffar, @davidlange6, @smuzaffar you are the release manager for this.

cms-bot commands are listed here #13028

[cmsbuild]

+1
Tested at: 5f645ef
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-18380/19211/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-18380/19211/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 3329 differences found in the comparisons
• DQMHistoTests: Total files compared: 23
• DQMHistoTests: Total histograms compared: 1819408
• DQMHistoTests: Total failures: 19354
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 1799881
• DQMHistoTests: Total skipped: 173
• DQMHistoTests: Total Missing objects: 0
• Checked 94 log files, 14 edm output root files, 23 DQM output files

[dmitrijus]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @Muzaffar, @davidlange6, @smuzaffar

[davidlange6]

+1