Muon hlt iter l3 io porting to new seeding

[folguera]

Backport of #17925, so it can be picked by ConfDB.

[cmsbuild]

A new Pull Request was created by @folguera (Santiago Folgueras) for CMSSW_9_0_X.

It involves the following packages:

RecoMuon/GlobalTrackingTools
RecoMuon/L3TrackFinder

@perrotta, @cmsbuild, @silviodonato, @fwyzard, @Martin-Grunewald, @slava77, @davidlange6 can you please review it and eventually sign? Thanks.
@bellan, @abbiendi, @jhgoh, @echapon, @calderona, @HuguesBrun, @battibass, @trocino, @amagitte, @bachtis, @rociovilar this is something you requested to watch as well.
@davidlange6, @smuzaffar you are the release manager for this.

cms-bot commands are listed here #13028

[Martin-Grunewald]

backport of #17925

[Martin-Grunewald]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/19050/console Started: 2017/04/10 15:10

[cmsbuild]

+1
Tested at: 731721a
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-18286/19050/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-18286/19050/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 23
• DQMHistoTests: Total histograms compared: 1915960
• DQMHistoTests: Total failures: 29352
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 1886435
• DQMHistoTests: Total skipped: 173
• DQMHistoTests: Total Missing objects: 0
• Checked 94 log files, 14 edm output root files, 23 DQM output files

[perrotta]

+1

• Code identical to Muon HLT for IterL3: porting to new seeding  #17925, already merged in 91X
• Reorganized ParameterSetDescription in MuonTrackingRegionBuilder to be compatible with the new seeding algorithm for the IT
• No changes expected in the results, no changes observed in jenkins tests

[Martin-Grunewald]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_9_0_X IBs (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @smuzaffar

[davidlange6]

+1