Bug 1692890 - Disable talos-webgl-profiling-gli tests on windows. r=jmaher

Differential Revision: https://phabricator.services.mozilla.com/D105219

taskcluster/ci/test/talos.yml

@@ -587,7 +587,7 @@ talos-webgl-profiling:
             .*-ccov.*/.*: []
             android.*: []
             windows7-32.*: []
-            default: ['webgl-ipc']
+            default: ['webgl-ipc-profiling']
     max-run-time: 1800
     mozharness:
         extra-options:

taskcluster/taskgraph/transforms/tests.py

@@ -327,6 +327,18 @@ TEST_VARIANTS = {
             },
         },
     },
+    "webgl-ipc-profiling": {
+        # TODO: After 2021-02-01, verify this variant is still needed.
+        "description": "{description} with WebGL IPC process enabled",
+        "suffix": "gli",
+        "merge": {
+            "mozharness": {
+                "extra-options": [
+                    "--setpref=webgl.out-of-process=true",
+                ],
+            },
+        },
+    },
 }