google_apis: Move data files out of chrome/test/data/chromeos

chrome/test/data/gdata/document_to_download.json

 {
    "encoding": "UTF-8",
    "entry": {
       "app$edited": {
          "$t": "2011-12-14T00:40:57.162Z",
          "xmlns$app": "http://www.w3.org/2007/app"
       },
       "author": [ {
          "email": {
             "$t": "tester@testing.com"
@@ skipping 79 matching lines @@
          "$t": "2011-12-14T00:40:47.330Z"
       },
       "xmlns": "http://www.w3.org/2005/Atom",
       "xmlns$batch": "http://schemas.google.com/gdata/batch",
       "xmlns$docs": "http://schemas.google.com/docs/2007",
       "xmlns$gd": "http://schemas.google.com/g/2005",
       "xmlns$openSearch": "http://a9.com/-/spec/opensearch/1.1/"
    },
    "version": "1.0"
 }