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* The Build Time Stamp of ShaderAsset And ShaderVariantAsset Should Be Based On GetTimeUTCMilliSecond() GetTimeNowMicroseconds() is useful to measure time stamp differences. GetTimeUTCMilliSecond() is for time stamps based on absolute clock/wall time. * Updated DiffuseGlobalIllumination precompiled shaders Co-authored-by: dmcdiar <dmcdiar@amazon.com> Signed-off-by: galibzon <66021303+galibzon@users.noreply.github.com>