Fixed multipliers on LayeredLit for Smoothness, Metallic and Anisotropy (were always 0 before).

Assets/ScriptableRenderLoop/HDRenderLoop/Material/Lit/LitSurfaceData.hlsl

 #else
     surfaceData.perceptualSmoothness = 1.0;
 #endif
-    surfaceData.perceptualSmoothness *= _Smoothness;
+	surfaceData.perceptualSmoothness = ADD_IDX(_Smoothness);
 #ifdef _DETAIL_MAP
     surfaceData.perceptualSmoothness *= LerpWhiteTo(2.0 * saturate(detailSmoothness * ADD_IDX(_DetailSmoothnessScale)), detailMask);
 #endif
     surfaceData.metallic = 1.0;
     surfaceData.ambientOcclusion = 1.0;
 #endif
-    surfaceData.metallic *= _Metallic;
+    surfaceData.metallic *= ADD_IDX(_Metallic);
 
     // This part of the code is not used in case of layered shader but we keep the same macro system for simplicity
 #if !defined(LAYERED_LIT_SHADER)
 #else
     surfaceData.anisotropy = 1.0;
 #endif
-    surfaceData.anisotropy *= _Anisotropy;
+    surfaceData.anisotropy *= ADD_IDX(_Anisotropy);
 
     surfaceData.specular = 0.04;
 

Assets/TestScenes/HDTest/LayeredLitTest/Material/Layered_BlendColor.mat

     _DISTORTIONONLY_OFF _EMISSION _EMISSIVE_COLOR _LAYEREDLIT_4_LAYER _LAYEREDLIT_4_LAYERS
     _LAYERMASKMAP _LAYER_MAPPING_PLANAR0 _LAYER_MAPPING_PLANAR_0 _LAYER_MAPPING_PLANAR_1
     _LAYER_MAPPING_PLANAR_2 _LAYER_MAPPING_PLANAR_3 _LAYER_MASK_VERTEX_COLOR _NORMALMAP_TANGENT_SPACE
-    _REQUIRE_UV3
+  disabledShaderPasses: []
   m_SavedProperties:
     serializedVersion: 3
     m_TexEnvs:
     - _Parallax: 0.02
     - _Smoothness: 0.5
     - _Smoothness0: 0.5
-    - _Smoothness1: 0.5
+    - _Smoothness1: 0.2
-    - _Smoothness3: 0.5
+    - _Smoothness3: 0.4
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
     - _SrcBlend: 1

Assets/TestScenes/HDTest/LayeredLitTest/Material/Layered_BlendColor.mat.meta

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 guid: f5e011eaf3efd6a418f211803a5f7d74
-timeCreated: 1480682649
+timeCreated: 1480943223
 licenseType: Pro
 NativeFormatImporter:
   userData: '{"GUIDArray":["fbea672215bd9944f8d9f98d5437e3cb","b91619c97bb14b64b82c0cdeaac0cc68","be6f395f0458348419faf76aca4cf856","000d0f1d5b188ed43a674de93e854997"]}'

Assets/TestScenes/HDTest/LayeredLitTest/Material/Layered_Layer3_Triplanar.mat

   m_Shader: {fileID: 4800000, guid: 81d02e8644315b742b154842a3a2f98c, type: 3}
   m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DETAIL_MAP _DETAIL_MAP_WITH_NORMAL _DISTORTIONDEPTHTEST_OFF
     _DISTORTIONONLY_OFF _EMISSION _EMISSIVE_COLOR _LAYEREDLIT_4_LAYERS _LAYER_MAPPING_TRIPLANAR_3
-    _LAYER_MASK_VERTEX_COLOR _NORMALMAP_TANGENT_SPACE _REQUIRE_UV3
+    _LAYER_MASK_VERTEX_COLOR _NORMALMAP_TANGENT_SPACE
+  disabledShaderPasses: []
   m_SavedProperties:
     serializedVersion: 3
     m_TexEnvs:

Assets/TestScenes/HDTest/LayeredLitTest/Material/Layered_Layer3_Triplanar.mat.meta

 fileFormatVersion: 2
 guid: 0284c7765797bfe42b104f08550600a8
-timeCreated: 1480681151
+timeCreated: 1480935617
 licenseType: Pro
 NativeFormatImporter:
   userData: '{"GUIDArray":["686eb5593c0e94f4eb86ca1d3cfef7fa","686eb5593c0e94f4eb86ca1d3cfef7fa","686eb5593c0e94f4eb86ca1d3cfef7fa","6c40a6ba55a62fc4c92fdc1cdee2f85a"]}'

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_Blue.mat

   m_Name: Lit_Blue
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
   m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DETAIL_MAP_WITH_NORMAL _DISTORTIONDEPTHTEST_OFF
-    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE _REQUIRE_UV3
+    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE
+  disabledShaderPasses: []
   m_SavedProperties:
     serializedVersion: 3
     m_TexEnvs:
     - _NormalMapSpace: 0
     - _OcclusionStrength: 1
     - _Parallax: 0.02
-    - _Smoothness: 0.5
+    - _Smoothness: 0.4
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
     - _SrcBlend: 1

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_Green.mat

   m_Name: Lit_Green
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
   m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DETAIL_MAP_WITH_NORMAL _DISTORTIONDEPTHTEST_OFF
-    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE _REQUIRE_UV3
+    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE
+  disabledShaderPasses: []
   m_SavedProperties:
     serializedVersion: 3
     m_TexEnvs:

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_Red.mat

   m_Name: Lit_Red
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
   m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DETAIL_MAP_WITH_NORMAL _DISTORTIONDEPTHTEST_OFF
-    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE _REQUIRE_UV3
+    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE
+  disabledShaderPasses: []
   m_SavedProperties:
     serializedVersion: 3
     m_TexEnvs:
     - _NormalMapSpace: 0
     - _OcclusionStrength: 1
     - _Parallax: 0.02
-    - _Smoothness: 0.5
+    - _Smoothness: 0.2
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
     - _SrcBlend: 1

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_White.mat

   m_Name: Lit_White
   m_Shader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}
   m_ShaderKeywords: _ALPHACUTOFFENABLE_OFF _DETAIL_MAP_WITH_NORMAL _DISTORTIONDEPTHTEST_OFF
-    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE _REQUIRE_UV3
+    _DISTORTIONONLY_OFF _EMISSION _NORMALMAP_TANGENT_SPACE
+  disabledShaderPasses: []
   m_SavedProperties:
     serializedVersion: 3
     m_TexEnvs: