Add getSkimDataTier method to Skims_cff (92X)

[kfjack]

As requested by Dirk for T0 development, adding a method at Skims_cff to obtain the mapping between skim name and the corresponding data tier. Back port of PR #19887.

[cmsbuild]

A new Pull Request was created by @kfjack (Kai-Feng Chen) for CMSSW_9_2_X.

It involves the following packages:

Configuration/StandardSequences

@cmsbuild, @franzoni, @davidlange6 can you please review it and eventually sign? Thanks.
@ghellwig, @makortel, @felicepantaleo, @GiacomoSguazzoni, @rovere, @VinInn, @Martin-Grunewald, @ebrondol, @dgulhan this is something you requested to watch as well.
@davidlange6 you are the release manager for this.

cms-bot commands are listed here

[davidlange6]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/21778/console Started: 2017/07/26 10:19

[cmsbuild]

+1
Tested at: 4320750
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-19894/21778/summary.html

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:
a815f88
You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-19894/21778/git-log-recent-commits
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-19894/21778/git-merge-result

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-19894/21778/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 22
• DQMHistoTests: Total histograms compared: 1791767
• DQMHistoTests: Total failures: 15021
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 1776580
• DQMHistoTests: Total skipped: 166
• DQMHistoTests: Total Missing objects: 0
• Checked 90 log files, 14 edm output root files, 22 DQM output files

[davidlange6]

merge