80X backport: Added Z mass histograms in Online DQM to monitor L1/L2/L3 dimuon triggers for pPb 2016

[stahlleiton]

This is the 80X backport of #15759

[cmsbuild]

A new Pull Request was created by @stahlleiton (Andre Stahl) for CMSSW_8_0_X.

It involves the following packages:

DQM/HLTEvF

@cmsbuild, @dmitrijus, @vanbesien, @davidlange6 can you please review it and eventually sign? Thanks.
@slava77, @smuzaffar you are the release manager for this.

cms-bot commands are list here #13028

[dmitrijus]

+1

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/15357/console

[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, @smuzaffar

[cmsbuild]

+1
Tested at: 8b3c700
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-15913/15357/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-15913/15357/summary.html

[davidlange6]

+1

[cmsbuild]

Pull request #15913 was updated. @Martin-Grunewald, @perrotta, @silviodonato, @fwyzard can you please check and sign again.

[Martin-Grunewald]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_8_0_X IBs (tests are also fine). This pull request will be automatically merged.