regen all APIs and validate them

etc/api/shared.yaml

@@ -1,6 +1,10 @@
 api:
   credentials: '{"installed":{"auth_uri":"https://accounts.google.com/o/oauth2/auth","client_secret":"hCsslbCUyfehWMmbkG8vTYxG","token_uri":"https://accounts.google.com/o/oauth2/token","client_email":"","redirect_uris":["urn:ietf:wg:oauth:2.0:oob","oob"],"client_x509_cert_url":"","client_id":"620010449518-9ngf7o4dhs0dka470npqvor6dc5lqb9b.apps.googleusercontent.com","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs"}}'
   blacklist:
+    # ampersand & in type name
+    - mybusinessqanda
+    # recursive type
+    - chat
     # recursive type
     - trafficdirector
     # Assertion error during generation