[Telemetry] Update all WPR json files to the new format.

tools/perf/page_sets/data/intl_ar_fa_he.json

 {
-    "description": "Describes the Web Page Replay archives for a page set. Don't edit by hand! Use record_wpr for updating.", 
     "archives": {
-        "intl_ar_fa_he_000.wpr": [
-            "http://msn.co.il/", 
-            "http://www.walla.co.il/", 
-            "http://ynet.co.il/", 
-            "http://www.islamweb.net/", 
-            "http://www.kooora.com/default.aspx", 
-            "http://farsnews.com/", 
-            "http://www.masrawy.com/", 
-            "http://www.startimes.com/f.aspx", 
-            "http://www.aljayyash.net/", 
-            "http://www.google.com.sa/"
-        ]
-    }
-}
+        "http://farsnews.com/": {
+            "DEFAULT": "intl_ar_fa_he_000.wpr"
+        },
+        "http://msn.co.il/": {
+            "DEFAULT": "intl_ar_fa_he_000.wpr"
+        },
+        "http://www.aljayyash.net/": {
+            "DEFAULT": "intl_ar_fa_he_000.wpr"
+        },
+        "http://www.google.com.sa/": {
+            "DEFAULT": "intl_ar_fa_he_000.wpr"
+        },
+        "http://www.islamweb.net/": {
+            "DEFAULT": "intl_ar_fa_he_000.wpr"
+        },
+        "http://www.kooora.com/default.aspx": {
+            "DEFAULT": "intl_ar_fa_he_000.wpr"
+        },
+        "http://www.masrawy.com/": {
+            "DEFAULT": "intl_ar_fa_he_000.wpr"
+        },
+        "http://www.startimes.com/f.aspx": {
+            "DEFAULT": "intl_ar_fa_he_000.wpr"
+        },
+        "http://www.walla.co.il/": {
+            "DEFAULT": "intl_ar_fa_he_000.wpr"
+        },
+        "http://ynet.co.il/": {
+            "DEFAULT": "intl_ar_fa_he_000.wpr"
+        }
+    },
+    "description": "Describes the Web Page Replay archives for a story set. Don't edit by hand! Use record_wpr for updating.",
+    "platform_specific": true
+}