Use CMAA on all Intel GPUs on ChromeOS.

MSAA is too expensive on these GPUs. At least for the time being, use
the CMAA extension wherever it's supported.

BUG=535198, 768400

Cq-Include-Trybots: master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: I3e5da867cbfcfdc08113949e7d93c5662e4ad115
Reviewed-on: https://chromium-review.googlesource.com/701922
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506925}

gpu/config/gpu_driver_bug_list.json

 {
   "name": "gpu driver bug list",
-  "version": "10.31",
+  "version": "10.32",
   "entries": [
     {
       "id": 1,
@@ -1706,7 +1706,7 @@
     },
     {
       "id": 172,
-      "description": "Limited enabling of Chromium GL_INTEL_framebuffer_CMAA",
+      "description": "Use GL_INTEL_framebuffer_CMAA on ChromeOS",
       "cr_bugs": [535198],
       "exceptions" : [
         {
@@ -1716,7 +1716,6 @@
           "vendor_id": "0x8086",
           "driver_vendor": "Mesa",
           "gl_vendor": "Intel.*",
-          "gl_renderer": ".*Intel.*(Braswell|Broadwell|Skylake).*",
           "gl_type": "gles",
           "gl_version": {
             "op": ">=",