Upgrade cryptography from 2.5 to 3.3

Source code is from https://github.com/pyca/cryptography/tree/3.3.x

Run setup.py locally and rename _openssl.so/_padding.so

Bug: 205265538
Test: None
Change-Id: If031739ef5830ba2fb177add74515e4660e2906e
diff --git a/vectors/setup.py b/vectors/setup.py
index bf02e38..482c01b 100644
--- a/vectors/setup.py
+++ b/vectors/setup.py
@@ -15,20 +15,18 @@
 
 about = {}
 with open(os.path.join(base_dir, "cryptography_vectors", "__about__.py")) as f:
-    exec(f.read(), about)
+    exec (f.read(), about)
 
 
 setup(
     name=about["__title__"],
     version=about["__version__"],
-
     description=about["__summary__"],
     license=about["__license__"],
     url=about["__uri__"],
     author=about["__author__"],
     author_email=about["__email__"],
-
     packages=find_packages(),
     zip_safe=False,
-    include_package_data=True
+    include_package_data=True,
 )