The culprit is on the decode side xd->lossless[i] setup was in wrong
location where segment features are not yet decoded.
Also on the encoder side, transform mode was not set consistently
between when tx_mode is selected and how tx_mode is enforced in
tx size selection.
Change-Id: I4c4c32188fda7530cadab9b46d4201f33f7ceca3
c7101830a6