Khaled Mammou authored Mar 25, 2018 and David Flynn committed May 17, 2018

This commit reduces the number of nearest neighbours used in attribute
prediction to 4 from 8 in order to reduce memory usage.

Extracted-from: http://wg11.sc29.org/svn/repos/MPEG-I/Part5-PointCloudCompression/CE/CE0/CE0.1/trunk@1357


Reintegrated-by:  <dflynn@blackberry.com>