HDRenderLoop - Put correct shader on material test

Assets/TestScenes/HDTest/Material/test.mat

   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   m_Name: test
-  m_Shader: {fileID: 46, guid: 0000000000000000f000000000000000, type: 0}
+  m_Shader: {fileID: 4800000, guid: e1a84346ee54f9f4993c2f05c59805a0, type: 3}
   m_ShaderKeywords: _EMISSION
   m_LightmapFlags: 1
   m_CustomRenderQueue: -1