Added a test checking for TimeFormat:: producing NaN, rolled icu version

DEPS

 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
   "webkit_revision": "88326",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
   # These hashes need to be updated when nacl_revision is changed.
@@ skipping 35 matching lines @@
     (Var("googlecode_url") % "angleproject") + "/trunk@678",
 
   # Note that this is *not* where we check out WebKit -- this just
   # puts some extra files into place for the real WebKit checkout to
   # happen.  See lines mentioning "webkit_revision" for the real
   # WebKit checkout.
   "src/third_party/WebKit":
     "/trunk/deps/third_party/WebKit@76115",
 
   "src/third_party/icu":
-    "/trunk/deps/third_party/icu46@87668",
+    "/trunk/deps/third_party/icu46@88321",
 
   "src/third_party/hunspell":
    "/trunk/deps/third_party/hunspell@65351",
 
   "src/third_party/hunspell_dictionaries":
     "/trunk/deps/third_party/hunspell_dictionaries@79099",
 
   "src/third_party/safe_browsing/testing":
     (Var("googlecode_url") % "google-safe-browsing") + "/trunk/testing@106",
 
@@ skipping 296 matching lines @@
   {
     # This downloads binaries for Native Client's integrated runtime (IRT)
     # library, which is built as NaCl untrusted code.
     "pattern": ".",
     "action": ["python", "src/build/download_nacl_irt.py",
                "--nacl_revision", Var("nacl_revision"),
                "--file_hash", "x86_32", Var("nacl_irt_hash_x86_32"),
                "--file_hash", "x86_64", Var("nacl_irt_hash_x86_64")],
   },
 ]