Update fancy_urllib to work with python-2.7.10

This issue is cloned from https://codereview.chromium.org/1273083004/ for andreyu

BUG=chromium:517460
R=vapier@chromium.org

Review URL: https://codereview.chromium.org/1281273002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@296285 0039d316-1c4b-4281-b951-d872f2087c98

third_party/fancy_urllib/README

-The fancy_urllib library was obtained from
-http://googleappengine.googlecode.com/svn/trunk/python/lib/fancy_urllib/fancy_urllib/__init__.py
-under the following license (http://googleappengine.googlecode.com/svn/trunk/python/LICENSE):
-
+The fancy_urllib library was obtained from [1] under the following
+license ([2]):
 
 GOOGLE APP ENGINE SDK
 =====================
@@ -19,3 +17,6 @@ distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
+
+[1] https://github.com/GoogleCloudPlatform/appengine-python-vm-runtime/blob/master/python_vm_runtime/lib/fancy_urllib/fancy_urllib/__init__.py
+[2] https://github.com/GoogleCloudPlatform/appengine-python-vm-runtime/blob/master/python_vm_runtime/LICENSE