Merge "Rename highbitdepth functions to use highbd prefix"

diff --cc vp9/common/vp9_rtcd_defs.pl
Simple merge

diff --cc vp9/encoder/vp9_encodeframe.c
Simple merge

diff --cc vp9/encoder/vp9_firstpass.c
Simple merge

diff --cc vp9/encoder/vp9_mcomp.c
Simple merge

diff --cc vp9/encoder/vp9_pickmode.c
Simple merge

diff --cc vp9/encoder/vp9_rdopt.c
Simple merge

diff --cc vp9/encoder/vp9_temporal_filter.c
Simple merge