Add hgc sample gain fix cns cmssw 11 0 0 pre9#9

Merged

franzoni merged 4 commits intofranzoni:add_HGCSample_gain_fix_cns_CMSSW_11_0_0_pre9from PFCal-dev:add_HGCSample_gain_fix_cns_CMSSW_11_0_0_pre9

Oct 10, 2019

+72-25