Move dual GPU macbook with Intel HD 3000 out of blacklist.

gpu/config/gpu_driver_bug_list.json

 {
   "name": "gpu driver bug list",
-  "version": "10.7",
+  "version": "10.8",
   "entries": [
     {
       "id": 1,
       "description": "Imagination driver doesn't like uploading lots of buffer data constantly",
       "os": {
         "type": "android"
       },
       "gl_vendor": "Imagination.*",
       "features": [
         "use_client_side_arrays_for_stream_buffers"
@@ skipping 2426 matching lines @@
       "cr_bugs": [713854],
       "os": {
         "type": "macosx"
       },
       "vendor_id": "0x8086",
       "device_id": ["0x0412", "0x0d26", "0x0a2e", "0x0a26", "0x0d22", "0x161e",
                     "0x1626", "0x162b", "0x1622"],
       "features": [
         "avoid_stencil_buffers"
       ]
+    },
+    {
+      "id": 228,
+      "description": "Intel HD 3000 driver crashes frequently on Mac",
+      "cr_bugs": [720152],
+      "os": {
+        "type": "macosx"
+      },
+      "vendor_id": "0x8086",
+      "device_id": ["0x0116", "0x0126"],
+      "multi_gpu_style": "amd_switchable",
+      "features": [
+        "force_discrete_gpu"
+      ]
     }
   ],
   "comment": [
     "Please update the version number on top whenever you change this file"
   ]
 }