Explicit L1 match in single tkmu trigger

[olivito]

Backport of #6137 to 72X.

I forgot to mention in the 73X PR, but this includes a new parameter to be parsed in ConfDB:

previousCandTag, for HLTMuonTrkFilter

[cmsbuild]

A new Pull Request was created by @olivito (Dominick Olivito) for CMSSW_7_2_X.

Explicit L1 match in single tkmu trigger

It involves the following packages:

HLTrigger/Muon

@Martin-Grunewald, @perrotta, @cmsbuild, @nclopezo, @fwyzard can you please review it and eventually sign? Thanks.
@abbiendi, @trocino, @battibass this is something you requested to watch as well.
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@nclopezo you are the release manager for this.
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[perrotta]

+1
(Identical to #6137 already merged in 73X)

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_2_X IBs unless changes or unless it breaks tests. This pull request requires discussion in the ORP meeting before it's merged. @nclopezo, @ktf, @davidlange6, @smuzaffar

[cmsbuild]

+1
Tested at: bff4d22
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6165/590/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_2_X IBs unless changes (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @nclopezo, @ktf, @davidlange6, @smuzaffar

[davidlange6]

+1