[release/3.0] Updating Math.Round and MathF.Round to be IEEE compliant so that the...

[release/3.0] Updating Math.Round and MathF.Round to be IEEE compliant so that the intrinsic and managed form are deterministic. (#26017)

* Updating Math.Round and MathF.Round to be IEEE compliant so that the intrinsic and managed form are deterministic. (#25901)

* Updating Math.Round and MathF.Round to be IEEE compliant so that the intrinsic and managed form are deterministic.

* Fixing the Math.Round and MathF.Round handling for values greater than 0.5 and less than 1.0

* Applying formatting patch.

* Adding a comment about only having the roundToNearestTiesToEven code path