feat(displayvideo): update the API

#### displayvideo:v1

The following keys were added:
- resources.targetingTypes.resources.targetingOptions.methods.search.description
- resources.targetingTypes.resources.targetingOptions.methods.search.flatPath
- resources.targetingTypes.resources.targetingOptions.methods.search.httpMethod
- resources.targetingTypes.resources.targetingOptions.methods.search.id
- resources.targetingTypes.resources.targetingOptions.methods.search.parameterOrder
- resources.targetingTypes.resources.targetingOptions.methods.search.parameters.targetingType.description
- resources.targetingTypes.resources.targetingOptions.methods.search.parameters.targetingType.enum
- resources.targetingTypes.resources.targetingOptions.methods.search.parameters.targetingType.enumDescriptions
- resources.targetingTypes.resources.targetingOptions.methods.search.parameters.targetingType.location
- resources.targetingTypes.resources.targetingOptions.methods.search.parameters.targetingType.pattern
- resources.targetingTypes.resources.targetingOptions.methods.search.parameters.targetingType.required
- resources.targetingTypes.resources.targetingOptions.methods.search.parameters.targetingType.type
- resources.targetingTypes.resources.targetingOptions.methods.search.path
- resources.targetingTypes.resources.targetingOptions.methods.search.request.$ref
- resources.targetingTypes.resources.targetingOptions.methods.search.response.$ref
- resources.targetingTypes.resources.targetingOptions.methods.search.scopes
- schemas.GeoRegionSearchTerms.description
- schemas.GeoRegionSearchTerms.id
- schemas.GeoRegionSearchTerms.properties.geoRegionQuery.description
- schemas.GeoRegionSearchTerms.properties.geoRegionQuery.type
- schemas.GeoRegionSearchTerms.type
- schemas.InsertionOrder.properties.insertionOrderType.description
- schemas.InsertionOrder.properties.insertionOrderType.enum
- schemas.InsertionOrder.properties.insertionOrderType.enumDescriptions
- schemas.InsertionOrder.properties.insertionOrderType.type
- schemas.SearchTargetingOptionsRequest.description
- schemas.SearchTargetingOptionsRequest.id
- schemas.SearchTargetingOptionsRequest.properties.advertiserId.description
- schemas.SearchTargetingOptionsRequest.properties.advertiserId.format
- schemas.SearchTargetingOptionsRequest.properties.advertiserId.type
- schemas.SearchTargetingOptionsRequest.properties.geoRegionSearchTerms.$ref
- schemas.SearchTargetingOptionsRequest.properties.geoRegionSearchTerms.description
- schemas.SearchTargetingOptionsRequest.properties.pageSize.description
- schemas.SearchTargetingOptionsRequest.properties.pageSize.format
- schemas.SearchTargetingOptionsRequest.properties.pageSize.type
- schemas.SearchTargetingOptionsRequest.properties.pageToken.description
- schemas.SearchTargetingOptionsRequest.properties.pageToken.type
- schemas.SearchTargetingOptionsRequest.type
- schemas.SearchTargetingOptionsResponse.description
- schemas.SearchTargetingOptionsResponse.id
- schemas.SearchTargetingOptionsResponse.properties.nextPageToken.description
- schemas.SearchTargetingOptionsResponse.properties.nextPageToken.type
- schemas.SearchTargetingOptionsResponse.properties.targetingOptions.description
- schemas.SearchTargetingOptionsResponse.properties.targetingOptions.items.$ref
- schemas.SearchTargetingOptionsResponse.properties.targetingOptions.type
- schemas.SearchTargetingOptionsResponse.type

The following keys were changed:
- resources.advertisers.resources.campaigns.methods.list.parameters.filter.description
- resources.advertisers.resources.campaigns.methods.list.parameters.orderBy.description
- resources.advertisers.resources.insertionOrders.methods.list.parameters.filter.description
- resources.advertisers.resources.insertionOrders.methods.list.parameters.orderBy.description
- resources.advertisers.resources.lineItems.methods.list.parameters.filter.description
- resources.advertisers.resources.lineItems.methods.list.parameters.orderBy.description
- resources.advertisers.resources.targetingTypes.resources.assignedTargetingOptions.methods.create.parameters.targetingType.description
- resources.advertisers.resources.targetingTypes.resources.assignedTargetingOptions.methods.delete.parameters.targetingType.description
- resources.advertisers.resources.targetingTypes.resources.assignedTargetingOptions.methods.get.parameters.targetingType.description
- resources.advertisers.resources.targetingTypes.resources.assignedTargetingOptions.methods.list.parameters.targetingType.description
- schemas.BulkEditAdvertiserAssignedTargetingOptionsRequest.properties.createRequests.description
- schemas.BulkEditAdvertiserAssignedTargetingOptionsRequest.properties.deleteRequests.description
- schemas.LineItem.description
- schemas.LineItem.properties.lineItemType.enum
- schemas.LineItem.properties.lineItemType.enumDescriptions
- schemas.LineItem.properties.warningMessages.items.enum
- schemas.LineItem.properties.warningMessages.items.enumDescriptions