am 902868b7: Merge "YUV(NV21) to RGBA function NEON optimizations."

# By Vassilis Laganakos
# Via David Butcher (1) and Gerrit Code Review (1)
* commit '902868b7c94f0c16b53e28ee1dd68c4e4a24f964':
  YUV(NV21) to RGBA function NEON optimizations.