Update JSON files + backport of last CMSSW PR#68

Merged

makortel merged 3 commits intoCMSSW_11_2_0_mkFit_Xfrom

CMSSW_11_2_0_mkFit_X_as1220pre3

Nov 25, 2021

Commits on Nov 24, 2021

Backport from cms-sw/cmssw#35974 + additional comments
mmasciov
committed
Update JSON files as per PR trackreco/mkFit#387 (and prior recent PRs)
mmasciov
committed
Using constexpr rather than const for mkFit subdetector layer IDs
mmasciov
committed