bluetooth: web: Update Blacklist field trial with Cypress & FIDO services.

testing/variations/fieldtrial_testing_config_chromeos.json

 {
     "AutofillClassifier": [
         {
             "group_name": "Enabled"
         }
     ],
     "AutofillFieldMetadata": [
         {
             "group_name": "Enabled"
         }
@@ skipping 317 matching lines @@
         {
             "group_name": "none"
         },
         {
             "group_name": "normal"
         },
         {
             "group_name": "aggressive"
         }
     ],
+    "WebBluetoothBlacklist": [
+        {
+            "//1": "The value 'ed5f25a4:e' is included for the",
+            "//2": "WebBluetoothTest BlacklistShouldBlock test.",
+            "//3": "TODO(643013): Remove other values in Chrome 55 or later.",
+            "group_name": "TestGroup",
+            "params": {
+                "blacklist_additions": "00060000:e,fffd:e,ed5f25a4:e"
+            }
+        }
+    ],
     "WebFontsInterventionV2": [
         {
             "group_name": "Enabled-slow2g"
         }
     ],
     "WebRTC-EnableWebRtcEcdsa": [
         {
             "enable_features": [
                 "WebRTC-EnableWebRtcEcdsa"
             ],
@@ skipping 20 matching lines @@
     ],
     "use-new-media-cache": [
         {
             "enable_features": [
                 "use-new-media-cache"
             ],
             "group_name": "Enabled"
         }
     ]
 }