chore(cloudsearch): update the api

#### cloudsearch:v1

The following keys were changed:
- revision (Total Keys: 1)
- schemas.SuggestRequest.properties.dataSourceRestrictions (Total Keys: 1)

docs/dyn/cloudsearch_v1.query.html

@@ -438,7 +438,7 @@ <h3>Method Details</h3>
     The object takes the form of:
 
 { # Request of suggest API.
-  &quot;dataSourceRestrictions&quot;: [ # The sources to use for suggestions. If not specified, the data sources are taken from the current search application. NOTE: Suggestions are supported only for third party data sources and people (i.e. PredefinedSource.PERSON).
+  &quot;dataSourceRestrictions&quot;: [ # The sources to use for suggestions. If not specified, the data sources are taken from the current search application. NOTE: Suggestions are only supported for the following sources: * Third-party data sources * PredefinedSource.PERSON * PredefinedSource.GOOGLE_DRIVE
     { # Restriction on Datasource.
       &quot;filterOptions&quot;: [ # Filter options restricting the results. If multiple filters are present, they are grouped by object type before joining. Filters with the same object type are joined conjunctively, then the resulting expressions are joined disjunctively. The maximum number of elements is 20. NOTE: Suggest API supports only few filters at the moment: &quot;objecttype&quot;, &quot;type&quot; and &quot;mimetype&quot;. For now, schema specific filters cannot be used to filter suggestions.
         { # Filter options to be applied on query.