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

tools/perf/page_sets/data/key_search_mobile.json

Index: tools/perf/page_sets/data/key_search_mobile.json
diff --git a/tools/perf/page_sets/data/key_search_mobile.json b/tools/perf/page_sets/data/key_search_mobile.json
index bd8d047e306a25afc2b2ce9e1e8c5672eebeec33..13b161a68d3d91974a287cb992daed362b21e878 100644
--- a/tools/perf/page_sets/data/key_search_mobile.json
+++ b/tools/perf/page_sets/data/key_search_mobile.json
@@ -1,22 +1,51 @@
 {
-    "description": "Describes the Web Page Replay archives for a page set. Don't edit by hand! Use record_wpr for updating.", 
     "archives": {
-        "key_search_mobile_000.wpr": [
-            "http://www.google.com/", 
-            "https://www.google.com/search?q=science", 
-            "http://www.google.com/search?q=orange", 
-            "https://www.google.com/search?q=1600+Amphitheatre+Pkwy%2C+Mountain+View%2C+CA", 
-            "http://www.google.com/search?q=tom+hanks", 
-            "https://www.google.com/search?q=weather+94110", 
-            "http://www.google.com/search?q=goog", 
-            "https://www.google.com/search?q=population+of+california", 
-            "http://www.google.com/search?q=sfo+jfk+flights", 
-            "https://www.google.com/search?q=movies+94110", 
-            "http://www.google.com/search?q=tip+on+100+bill", 
-            "https://www.google.com/search?q=time+in+san+francisco", 
-            "http://www.google.com/search?q=define+define", 
-            "https://www.google.com/search?q=burritos+94110", 
-            "http://www.google.com/search?q=x^3"
-        ]
-    }
+        "http://www.google.com/": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "http://www.google.com/search?q=define+define": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "http://www.google.com/search?q=goog": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "http://www.google.com/search?q=orange": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "http://www.google.com/search?q=sfo+jfk+flights": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "http://www.google.com/search?q=tip+on+100+bill": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "http://www.google.com/search?q=tom+hanks": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "http://www.google.com/search?q=x^3": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "https://www.google.com/search?q=1600+Amphitheatre+Pkwy%2C+Mountain+View%2C+CA": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "https://www.google.com/search?q=burritos+94110": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "https://www.google.com/search?q=movies+94110": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "https://www.google.com/search?q=population+of+california": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "https://www.google.com/search?q=science": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "https://www.google.com/search?q=time+in+san+francisco": {
+            "DEFAULT": "key_search_mobile_000.wpr"
+        },
+        "https://www.google.com/search?q=weather+94110": {
+            "DEFAULT": "key_search_mobile_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
 }