Update low delay P configuration for LMCS to be consistent with low delay B configuration
Change encoder_lowdelay_P_vtm.cfg to match change to encoder_lowdelay_vtm.cfg in !1142 (merged), as LMCS tool off results for LDB and LDP are very similar.
Change encoder_lowdelay_P_vtm.cfg to match change to encoder_lowdelay_vtm.cfg in !1142 (merged), as LMCS tool off results for LDB and LDP are very similar.