add tool to scale SiPixelGainCalibration payloads by including VCal calibration

[mmusich]

PR description:

The purpose of this PR is to add a tool in order to produce SiPixelGainCalibrationForHLT and SiPixelGainCalibrationOffline payloads, scaled taking into account that in the Run3 reconstruction the VCal calibration is going to be absorbed into the pixel gain payloads (see details at PR #29333).
The formulas to be applied are the following:

PR validation:

Standalone private tests.

if this PR is a backport please specify the original PR and why you need to backport that PR:

This PR is not a backport, and no backport is needed.

cc:
@tvami @tsusa

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-30880/17260

• This PR adds an extra 20KB to repository

[cmsbuild]

A new Pull Request was created by @mmusich (Marco Musich) for master.

It involves the following packages:

CondTools/SiPixel

@ggovi, @cmsbuild can you please review it and eventually sign? Thanks.
@mmusich, @dkotlins, @VinInn this is something you requested to watch as well.
@silviodonato, @dpiparo you are the release manager for this.

cms-bot commands are listed here

[mmusich]

@cmsbuild, please test

[cmsbuild]

The tests are being triggered in jenkins.

• CMSSW_11_2_X_2020-07-22-2300/slc7_amd64_gcc820: https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/8238/console Started: 2020/07/23 11:02

[cmsbuild]

+1
Tested at: c3a1b15
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-dc2545/8238/summary.html
CMSSW: CMSSW_11_2_X_2020-07-22-2300
SCRAM_ARCH: slc7_amd64_gcc820

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-dc2545/8238/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 34
• DQMHistoTests: Total histograms compared: 2526188
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2526140
• DQMHistoTests: Total skipped: 47
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 33 files compared)
• Checked 144 log files, 17 edm output root files, 34 DQM output files

[silviodonato]

@ggovi do you have any comments?

[ggovi]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @silviodonato, @dpiparo, @qliphy (and backports should be raised in the release meeting by the corresponding L2)

[silviodonato]

+1