Integrate Python GAPIC Microgenerator in googleapis. This PR uses using documentai as an example. Depends on googleapis/gapic-generator-python#402

PiperOrigin-RevId: 309824146

Source-Author: Google APIs <noreply@google.com>
Source-Date: Mon May 4 15:06:44 2020 -0700
Source-Repo: googleapis/googleapis
Source-Sha: e0f9d9e1f9de890db765be46f45ca8490723e3eb
Source-Link: googleapis/googleapis@e0f9d9e

Author: yoshi-automation

google/cloud/webrisk_v1/gapic/transports/web_risk_service_grpc_transport.py

@@ -163,9 +163,14 @@ def search_hashes(self):
     def create_submission(self):
         """Return the gRPC stub for :meth:`WebRiskServiceClient.create_submission`.
 
-        The maximum size in number of entries. The diff will not contain
-        more entries than this value. This should be a power of 2 between
-        2\ **10 and 2**\ 20. If zero, no diff size limit is set.
+        Creates a Submission of a URI suspected of containing phishing
+        content to be reviewed. If the result verifies the existence of
+        malicious phishing content, the site will be added to the `Google's
+        Social Engineering
+        lists <https://support.google.com/webmasters/answer/6350487/>`__ in
+        order to protect users that could get exposed to this threat in the
+        future. Only projects with CREATE_SUBMISSION_USERS visibility can use
+        this method.
 
         Returns:
             Callable: A callable which accepts the appropriate

google/cloud/webrisk_v1/gapic/web_risk_service_client.py

@@ -416,9 +416,14 @@ def create_submission(
         metadata=None,
     ):
         """
-        The maximum size in number of entries. The diff will not contain
-        more entries than this value. This should be a power of 2 between
-        2\ **10 and 2**\ 20. If zero, no diff size limit is set.
+        Creates a Submission of a URI suspected of containing phishing
+        content to be reviewed. If the result verifies the existence of
+        malicious phishing content, the site will be added to the `Google's
+        Social Engineering
+        lists <https://support.google.com/webmasters/answer/6350487/>`__ in
+        order to protect users that could get exposed to this threat in the
+        future. Only projects with CREATE_SUBMISSION_USERS visibility can use
+        this method.
 
         Example:
             >>> from google.cloud import webrisk_v1
@@ -433,10 +438,8 @@ def create_submission(
             >>> response = client.create_submission(parent, submission)
 
         Args:
-            parent (str): The encoded local, lexicographically-sorted list indices, using a
-                Golomb-Rice encoding. Used for sending compressed removal indices. The
-                removal indices (uint32) are sorted in ascending order, then delta
-                encoded and stored as encoded_data.
+            parent (str): Required. The name of the project that is making the submission.
+                This string is in the format "projects/{project_number}".
             submission (Union[dict, ~google.cloud.webrisk_v1.types.Submission]): Required. The submission that contains the content of the phishing report.
 
                 If a dict is provided, it must be of the same form as the protobuf