Add Intel macOS workaround for WebGL2 canvas_sub_rectangle tests

gpu/config/gpu_driver_bug_list_json.cc

Index: gpu/config/gpu_driver_bug_list_json.cc
diff --git a/gpu/config/gpu_driver_bug_list_json.cc b/gpu/config/gpu_driver_bug_list_json.cc
index aead8e04f6c599fdfb03a34d3015542bf962dd52..3b60b770e9dcdbd0e0369440ceea261ba441c868 100644
--- a/gpu/config/gpu_driver_bug_list_json.cc
+++ b/gpu/config/gpu_driver_bug_list_json.cc
@@ -19,7 +19,7 @@ const char kGpuDriverBugListJson[] = LONG_STRING_CONST(
 {
   "name": "gpu driver bug list",
   // Please update the version number whenever you change this file.
-  "version": "9.21",
+  "version": "9.22",
   "entries": [
     {
       "id": 1,
@@ -2234,6 +2234,18 @@ LONG_STRING_CONST(
         "GL_KHR_blend_equation_advanced",
         "GL_KHR_blend_equation_advanced_coherent"
       ]
+    },
+    {
+      "id": 207,
+      "cr_bugs": [665656],
+      "description": "Pixels readback from 2D canvas flaky on Mac Intel",
+      "os": {
+        "type": "macosx"
+      },
+      "vendor_id": "0x8086",
+      "features": [
+        "force_redundant_2d_canvas_copy"
+      ]
     }
   ]
   // Please update the version number at beginning of this file whenever you