One more Pica update, this time vulcanized

The last update, 003, was erroneously using a version with separate
resources. This one has everything packaged into index.html per usual.

TBR=tonyg@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/129043003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243652 0039d316-1c4b-4281-b951-d872f2087c98

tools/perf/page_sets/data/pica.json

 {
     "description": "Describes the Web Page Replay archives for a page set. Don't edit by hand! Use record_wpr for updating.", 
     "archives": {
-        "pica_003.wpr": [
+        "pica_004.wpr": [
             "http://localhost/polymer/projects/pica/"
         ]
     }

tools/perf/page_sets/data/pica_004.wpr.sha1

+4818d6e43b0fdaf5e5d9b403ff942c86283b16c9
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