feat(firestore): update the api

#### firestore:v1

The following keys were added:
- schemas.QueryPlan (Total Keys: 4)
- schemas.ResultSetStats (Total Keys: 5)
- schemas.RunAggregationQueryRequest.properties.mode.type (Total Keys: 1)
- schemas.RunAggregationQueryResponse.properties.stats.$ref (Total Keys: 1)
- schemas.RunQueryRequest.properties.mode.type (Total Keys: 1)
- schemas.RunQueryResponse.properties.stats.$ref (Total Keys: 1)

#### firestore:v1beta1

The following keys were added:
- schemas.QueryPlan (Total Keys: 4)
- schemas.ResultSetStats (Total Keys: 5)
- schemas.RunAggregationQueryRequest.properties.mode.type (Total Keys: 1)
- schemas.RunAggregationQueryResponse.properties.stats.$ref (Total Keys: 1)
- schemas.RunQueryRequest.properties.mode.type (Total Keys: 1)
- schemas.RunQueryResponse.properties.stats.$ref (Total Keys: 1)

docs/dyn/firestore_v1.projects.databases.collectionGroups.fields.html

@@ -82,7 +82,7 @@ <h2>Instance Methods</h2>
 <p class="firstline">Gets the metadata and configuration for a Field.</p>
 <p class="toc_element">
   <code><a href="#list">list(parent, filter=None, pageSize=None, pageToken=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Lists the field configuration and metadata for this database. Currently, FirestoreAdmin.ListFields only supports listing fields that have been explicitly overridden. To issue this query, call FirestoreAdmin.ListFields with the filter set to `indexConfig.usesAncestorConfig:false or `ttlConfig:*`.</p>
+<p class="firstline">Lists the field configuration and metadata for this database. Currently, FirestoreAdmin.ListFields only supports listing fields that have been explicitly overridden. To issue this query, call FirestoreAdmin.ListFields with the filter set to `indexConfig.usesAncestorConfig:false` or `ttlConfig:*`.</p>
 <p class="toc_element">
   <code><a href="#list_next">list_next()</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
@@ -144,7 +144,7 @@ <h3>Method Details</h3>
 
 <div class="method">
     <code class="details" id="list">list(parent, filter=None, pageSize=None, pageToken=None, x__xgafv=None)</code>
-  <pre>Lists the field configuration and metadata for this database. Currently, FirestoreAdmin.ListFields only supports listing fields that have been explicitly overridden. To issue this query, call FirestoreAdmin.ListFields with the filter set to `indexConfig.usesAncestorConfig:false or `ttlConfig:*`.
+  <pre>Lists the field configuration and metadata for this database. Currently, FirestoreAdmin.ListFields only supports listing fields that have been explicitly overridden. To issue this query, call FirestoreAdmin.ListFields with the filter set to `indexConfig.usesAncestorConfig:false` or `ttlConfig:*`.
 
 Args:
   parent: string, Required. A parent name of the form `projects/{project_id}/databases/{database_id}/collectionGroups/{collection_id}` (required)