Field trial test config for MediaCapabilitiesQueryGpuFactoriesExperiment

Bug: 1105258
Change-Id: I48e2b4fc4737eef90f0cdc68b2c775c8d6c8efa1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2346824
Auto-Submit: Chrome Cunningham <chcunningham@chromium.org>
Commit-Queue: Steven Holte <holte@chromium.org>
Reviewed-by: Steven Holte <holte@chromium.org>
Cr-Commit-Position: refs/heads/master@{#797098}

testing/variations/fieldtrial_testing_config.json

@@ -4322,6 +4322,25 @@
             ]
         }
     ],
+    "MediaCapabilitiesQueryGpuFactories": [
+        {
+            "platforms": [
+                "android",
+                "chromeos",
+                "linux",
+                "mac",
+                "windows"
+            ],
+            "experiments": [
+                {
+                    "name": "Enabled",
+                    "enable_features": [
+                        "MediaCapabilitiesQueryGpuFactories"
+                    ]
+                }
+            ]
+        }
+    ],
     "MediaFoundationAsyncH264Encoding": [
         {
             "platforms": [