Revert of [Telemetry][Wpr] Remove old version of archive info.

telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json

Index: telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json
diff --git a/telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json b/telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json
index 9628451f30ab843aacdf7d3f3b73b8cdec85346e..20dec47efa4198bae30069f7cbfec14b47328587 100644
--- a/telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json
+++ b/telemetry/telemetry/internal/testing/test_page_sets/data/example_domain.json
@@ -1,12 +1,9 @@
 {
     "description": "Describes the Web Page Replay archives for a user story set. Don't edit by hand! Use record_wpr for updating.", 
-    "platform_specific": true,
     "archives": {
-        "http://www.example.com": {
-          "DEFAULT": "example_domain_001.wpr"
-        },
-        "https://www.example.com":{
-          "DEFAULT": "example_domain_001.wpr"
-        }
+        "example_domain_001.wpr": [
+            "http://www.example.com",
+            "https://www.example.com"
+        ]
     }
-}
+}