feat(datastream): update the api

#### datastream:v1alpha1

The following keys were added:
- schemas.Stream.properties.customerManagedEncryptionKey.type (Total Keys: 1)

Author: yoshi-automation

docs/dyn/datastream_v1alpha1.projects.locations.streams.html

@@ -167,6 +167,7 @@ <h3>Method Details</h3>
   &quot;backfillNone&quot;: { # Backfill strategy to disable automatic backfill for the Stream&#x27;s objects. # Do not automatically backfill any objects.
   },
   &quot;createTime&quot;: &quot;A String&quot;, # Output only. The creation time of the stream.
+  &quot;customerManagedEncryptionKey&quot;: &quot;A String&quot;, # Immutable. A reference to a KMS encryption key. If provided, it will be used to encrypt the data. If left blank, data will be encrypted using an internal Stream-specific encryption key provisioned through KMS.
   &quot;destinationConfig&quot;: { # The configuration of the stream destination. # Required. Destination connection profile configuration.
     &quot;destinationConnectionProfileName&quot;: &quot;A String&quot;, # Required. Destination connection profile identifier.
     &quot;gcsDestinationConfig&quot;: { # Google Cloud Storage destination configuration
@@ -483,6 +484,7 @@ <h3>Method Details</h3>
   &quot;backfillNone&quot;: { # Backfill strategy to disable automatic backfill for the Stream&#x27;s objects. # Do not automatically backfill any objects.
   },
   &quot;createTime&quot;: &quot;A String&quot;, # Output only. The creation time of the stream.
+  &quot;customerManagedEncryptionKey&quot;: &quot;A String&quot;, # Immutable. A reference to a KMS encryption key. If provided, it will be used to encrypt the data. If left blank, data will be encrypted using an internal Stream-specific encryption key provisioned through KMS.
   &quot;destinationConfig&quot;: { # The configuration of the stream destination. # Required. Destination connection profile configuration.
     &quot;destinationConnectionProfileName&quot;: &quot;A String&quot;, # Required. Destination connection profile identifier.
     &quot;gcsDestinationConfig&quot;: { # Google Cloud Storage destination configuration
@@ -697,6 +699,7 @@ <h3>Method Details</h3>
       &quot;backfillNone&quot;: { # Backfill strategy to disable automatic backfill for the Stream&#x27;s objects. # Do not automatically backfill any objects.
       },
       &quot;createTime&quot;: &quot;A String&quot;, # Output only. The creation time of the stream.
+      &quot;customerManagedEncryptionKey&quot;: &quot;A String&quot;, # Immutable. A reference to a KMS encryption key. If provided, it will be used to encrypt the data. If left blank, data will be encrypted using an internal Stream-specific encryption key provisioned through KMS.
       &quot;destinationConfig&quot;: { # The configuration of the stream destination. # Required. Destination connection profile configuration.
         &quot;destinationConnectionProfileName&quot;: &quot;A String&quot;, # Required. Destination connection profile identifier.
         &quot;gcsDestinationConfig&quot;: { # Google Cloud Storage destination configuration
@@ -918,6 +921,7 @@ <h3>Method Details</h3>
   &quot;backfillNone&quot;: { # Backfill strategy to disable automatic backfill for the Stream&#x27;s objects. # Do not automatically backfill any objects.
   },
   &quot;createTime&quot;: &quot;A String&quot;, # Output only. The creation time of the stream.
+  &quot;customerManagedEncryptionKey&quot;: &quot;A String&quot;, # Immutable. A reference to a KMS encryption key. If provided, it will be used to encrypt the data. If left blank, data will be encrypted using an internal Stream-specific encryption key provisioned through KMS.
   &quot;destinationConfig&quot;: { # The configuration of the stream destination. # Required. Destination connection profile configuration.
     &quot;destinationConnectionProfileName&quot;: &quot;A String&quot;, # Required. Destination connection profile identifier.
     &quot;gcsDestinationConfig&quot;: { # Google Cloud Storage destination configuration

googleapiclient/discovery_cache/documents/datastream.v1alpha1.json

@@ -1079,7 +1079,7 @@
       }
     }
   },
-  "revision": "20211020",
+  "revision": "20211026",
   "rootUrl": "https://datastream.googleapis.com/",
   "schemas": {
     "AvroFileFormat": {
@@ -2187,6 +2187,10 @@
           "readOnly": true,
           "type": "string"
         },
+        "customerManagedEncryptionKey": {
+          "description": "Immutable. A reference to a KMS encryption key. If provided, it will be used to encrypt the data. If left blank, data will be encrypted using an internal Stream-specific encryption key provisioned through KMS.",
+          "type": "string"
+        },
         "destinationConfig": {
           "$ref": "DestinationConfig",
           "description": "Required. Destination connection profile configuration."