update texture settings and tests to match

Assets/TestScenes/MobileDeferredTest/OnTileDeferredPipeline.asset

     maxShadowDistance: 1000
     directionalLightNearPlaneOffset: 5
   m_TextureSettings:
-    spotCookieSize: 256
-    pointCookieSize: 512
-    reflectionCubemapSize: 256
+    spotCookieSize: 512
+    pointCookieSize: 128
+    reflectionCubemapSize: 64
   UseLegacyCookies: 1
   TransparencyShadows: 0
   m_PointLightMesh: {fileID: 10207, guid: 0000000000000000e000000000000000, type: 0}

Assets/TestScenes/MobileDeferredTest/reflectionTest/opaqueCapsule.mat

   m_PrefabInternal: {fileID: 0}
   m_Name: opaqueCapsule
   m_Shader: {fileID: 4800000, guid: 078f6d0e0964240c28f6acc911996f11, type: 3}
-  m_ShaderKeywords: _EMISSION
-  m_LightmapFlags: 1
+  m_ShaderKeywords: 
+  m_LightmapFlags: 4
   m_EnableInstancingVariants: 0
   m_DoubleSidedGI: 0
   m_CustomRenderQueue: -1

Assets/TestScenes/MobileDeferredTest/reflectionTest/trSphere.mat

   m_PrefabInternal: {fileID: 0}
   m_Name: trSphere
   m_Shader: {fileID: 4800000, guid: b262af00aeb504b0a8eba68d77150908, type: 3}
-  m_ShaderKeywords: _ALPHABLEND_ON _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A
+  m_ShaderKeywords: _ALPHAPREMULTIPLY_ON _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A
   m_LightmapFlags: 4
   m_EnableInstancingVariants: 0
   m_DoubleSidedGI: 0
     - _GlossMapScale: 0.8
     - _Glossiness: 0.8
     - _GlossyReflections: 1
-    - _Metallic: 1
-    - _Mode: 2
+    - _Metallic: 0.8
+    - _Mode: 3
-    - _SrcBlend: 5
+    - _SrcBlend: 1
-    - _Color: {r: 1, g: 1, b: 1, a: 0.516}
+    - _Color: {r: 0.72794116, g: 0.72794116, b: 0.72794116, a: 0.491}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}