JVET-Y0155: Fixes and clean up for temporal prefilter (ported from VTM)

cfg/encoder_lowdelay_P_ecm.cfg

cfg/encoder_lowdelay_ecm.cfg

cfg/encoder_randomaccess_ecm.cfg

cfg/encoder_randomaccess_gop16_ecm.cfg

cfg/per-sequence/BQMall.cfg

cfg/per-sequence/BQSquare.cfg

cfg/per-sequence/BQTerrace.cfg

cfg/per-sequence/BasketballDrill.cfg

cfg/per-sequence/BasketballDrillText.cfg

cfg/per-sequence/BasketballDrive.cfg

cfg/per-sequence/BasketballPass.cfg

cfg/per-sequence/BlowingBubbles.cfg

cfg/per-sequence/NebutaFestival_10bit.cfg

cfg/per-sequence/PartyScene.cfg

cfg/per-sequence/SocialNetworkMap_444.cfg

cfg/per-sequence/SocialNetworkMap_RGB.cfg

cfg/per-sequence/SteamLocomotiveTrain_10bit.cfg

source/App/EncoderApp/EncApp.cpp

source/App/EncoderApp/EncAppCfg.cpp

source/App/EncoderApp/EncAppCfg.h