Regenerate the README files and fix the Open in Cloud Shell link for some samples [(#1441)](GoogleCloudPlatform/python-docs-samples#1441)

Author: chenyumic

packages/google-cloud-videointelligence/samples/analyze/README.rst

@@ -59,7 +59,7 @@ analyze
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 .. image:: https://gstatic.com/cloudssh/images/open-btn.png
-   :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=video/cloud-client/analyze/analyze.py;video/cloud-client/analyze/README.rst
+   :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=video/cloud-client/analyze/analyze.py,video/cloud-client/analyze/README.rst