Linfeng Zhang authored Aug 04, 2016 and James Zern committed Nov 27, 2017

Extract the duplicated data generation code in OperationCheck() of
Loop8Test6Param and Loop8Test9Param, and put in function InitInput().

ported from libvpx:
2d1e63d0c Remove duplicates in Loop8Test6Param and Loop8Test9Param

Change-Id: I0cdcedf205c6684b82751fe9a3da33f4f030bb48