Adding field trial config for ProbabilisticCryptidRenderer

Bug: 1061949
Change-Id: I3603ac27ef98f6c4ea88069049b12fab4616b6a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2522001Reviewed-by: Steven Holte <holte@chromium.org>
Commit-Queue: Tommy Martino <tmartino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825849}

testing/variations/fieldtrial_testing_config.json

@@ -5503,6 +5503,27 @@
             ]
         }
     ],
+    "ProbabilisticCryptidRenderer": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [
+                {
+                    "name": "Enabled_empty",
+                    "params": {
+                        "asset-key": "empty",
+                        "max-probability-per-million": "20000",
+                        "moratorium-length-millis": "345600000",
+                        "ramp-up-length-millis": "1814400000"
+                    },
+                    "enable_features": [
+                        "ProbabilisticCryptidRenderer"
+                    ]
+                }
+            ]
+        }
+    ],
     "ProtoDBSharedMigration": [
         {
             "platforms": [