HDRenderPipeline: Change area light data to public so they can be access by external class

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.hlsl

 //-----------------------------------------------------------------------------
 
 // SurfaceData is define in Lit.cs which generate Lit.cs.hlsl
-//TODO: return this original relative path include after fixing a bug in Unity side
-//#include "Lit.cs.hlsl"
-#include "../../Material/Lit/Lit.cs.hlsl"
+#include "Lit.cs.hlsl"
 
 // In case we pack data uint16 buffer we need to change the output render target format to uint16
 // TODO: Is there a way to automate these output type based on the format declare in lit.cs ?

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LtcData.DisneyDiffuse.cs

     {
         public partial class RenderLoop : Object
         {
-			static double[,] s_LtcDisneyDiffuseMatrixData = new double[k_LtcLUTResolution * k_LtcLUTResolution, k_LtcLUTMatrixDim * k_LtcLUTMatrixDim]
+			public static double[,] s_LtcDisneyDiffuseMatrixData = new double[k_LtcLUTResolution * k_LtcLUTResolution, k_LtcLUTMatrixDim * k_LtcLUTMatrixDim]
 			{
 				{1.018309, 0, 0.000000, 0, 1.018309, 0, 0.000000, 0, 1}, 
 				{1.018309, 0, 0.000000, 0, 1.018309, 0, 0.000000, 0, 1}, 
 				{1.106979, 0, 0.286686, 0, 1.061540, 0, -0.391058, 0, 1}
 			};
 
-			static float[] s_LtcDisneyDiffuseMagnitudeData = new float[k_LtcLUTResolution * k_LtcLUTResolution]
+            public static float[] s_LtcDisneyDiffuseMagnitudeData = new float[k_LtcLUTResolution * k_LtcLUTResolution]
 			{
 				0.978932f, 
 				0.978932f, 

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LtcData.GGX.cs

-using UnityEngine;
+using UnityEngine;
 using UnityEngine.Rendering;
 using System;
 
 
             // This table is precomputed for squared roughness and normalized so that last entry
             // is 1 and thus does not need to be store in a texture.
-            static double[,] s_LtcGGXMatrixData = new double[k_LtcLUTResolution * k_LtcLUTResolution, k_LtcLUTMatrixDim * k_LtcLUTMatrixDim]
+            public static double[,] s_LtcGGXMatrixData = new double[k_LtcLUTResolution * k_LtcLUTResolution, k_LtcLUTMatrixDim * k_LtcLUTMatrixDim]
 			{
 				{499.999756, 0, 0.000000, 0, 499.999756, 0, 0.000000, 0, 1}, 
 				{499.999756, 0, 0.000000, 0, 499.999756, 0, 0.000000, 0, 1}, 
 				{0.609037, 0, -0.053470, 0, 0.607151, 0, 0.031450, 0, 1}
 			};
 
-			static float[] s_LtcGGXMagnitudeData = new float[k_LtcLUTResolution * k_LtcLUTResolution]
+            public static float[] s_LtcGGXMagnitudeData = new float[k_LtcLUTResolution * k_LtcLUTResolution]
 			{
 				1.000000f, 
 				1.000000f, 
 				0.887423f
 			};
 
-			static float[] s_LtcGGXFresnelData = new float[k_LtcLUTResolution * k_LtcLUTResolution]
+            public static float[] s_LtcGGXFresnelData = new float[k_LtcLUTResolution * k_LtcLUTResolution]
 			{
 				0.000000f, 
 				0.000000f,