HLT dilepton conditional DZ filter, 81X

[olivito]

This allows for a "conditional DZ filter" at the HLT: the DZ cut is applied only if both objects have at least N pixel hits, where N is configurable as MinPixHitsForDZ.

MinPixHitsForDZ = 0 is the default and restores the old path behavior.

80X version of this PR: #15682

[cmsbuild]

A new Pull Request was created by @olivito (Dominick Olivito) for CMSSW_8_1_X.

It involves the following packages:

HLTrigger/HLTfilters

@Martin-Grunewald, @perrotta, @cmsbuild, @fwyzard, @davidlange6 can you please review it and eventually sign? Thanks.
@Martin-Grunewald this is something you requested to watch as well.
@slava77, @smuzaffar you are the release manager for this.

cms-bot commands are list here #13028

[Martin-Grunewald]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/14866/console

[cmsbuild]

+1
Tested at: b5899f2
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-15683/14866/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-15683/14866/summary.html

[Martin-Grunewald]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_8_1_X IBs (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @slava77, @davidlange6, @smuzaffar

[davidlange6]

+1