Changes to Start a search on Google Maps

added the new optional request property googleMapsUrl

the request property query became nullable

the request property query became optional

the request property strategy became optional

added subschema #4 to the strategy request property oneOf list

the response property advice became nullable for the status 200

the response property advice became optional for the status 200

the advice response's property default value was removed for the status 200

added the non-success response with the status 422

added the required property advice to the response with the 200 status