COMPMID-1496 (Nightly) Mismatches in CLMeanStd function for FP16

Changed RelativeTolerance to Asbsolute for F16/F32 as the values can
be very close to zero for large inputs.

Change-Id: Ibeab9f4e4d218e4ceaad00b1725acc34e80c7afb
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/143576
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
1 file changed