Class android.app.appsearch.GlobalSearchSession

Added Methods
void getByDocumentId(String, String, GetByDocumentIdRequest, Executor, BatchResultCallback<String, GenericDocument>)  
void getSchema(String, String, Executor, Consumer<AppSearchResult<GetSchemaResponse>>)  
void registerObserverCallback(String, ObserverSpec, Executor, ObserverCallback)  
void unregisterObserverCallback(String, ObserverCallback)