HDRenderPipeline: Fix SSS test

Assets/ScriptableRenderPipeline/HDRenderPipeline/HDRenderPipelineAsset.asset

     useForwardRenderingOnly: 0
     useDepthPrepass: 0
   sssSettings:
-    numProfiles: 1
+    numProfiles: 2
-    - {fileID: 0}
+    - {fileID: 11400000, guid: d6ee4403015766f4093158d69216c0bf, type: 2}
+    - {fileID: 11400000, guid: 906339bac2066fc4aa22a3652e1283ef, type: 2}
   tileSettings:
     enableTileAndCluster: 1
     enableSplitLightEvaluation: 1
     m_ShadowCascadeSplit2: 0.3
     m_ShadowNearPlaneOffset: 5
   m_SkySettings: {fileID: 0}
+  m_SsaoSettings:
+    m_Enable: 0
+    m_Intensity: 1
+    m_Radius: 0.5
+    m_SampleCount: 8
+    m_Downsampling: 1
   m_DefaultDiffuseMaterial: {fileID: 2100000, guid: 73c176f402d2c2f4d929aa5da7585d17,
     type: 2}
   m_DefaultShader: {fileID: 4800000, guid: 6e4ae4064600d784cac1e41a9e6f2e59, type: 3}

Assets/TestScenes/HDTest/GraphicTest/SSS/Materials/SSSHead.mat

     _ENABLEWIND_OFF _NORMALMAP _NORMALMAP_TANGENT_SPACE
   m_LightmapFlags: 4
   m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
   m_CustomRenderQueue: -1
   stringTagMap: {}
   disabledShaderPasses:
     - _DistortionOnly: 0
     - _DoubleSidedEnable: 0
     - _DoubleSidedMirrorEnable: 1
+    - _DoubleSidedNormalMode: 1
     - _Drag: 1
     - _DstBlend: 0
     - _EmissiveColorMode: 1