wip: export SimpleLogRecordProcessor

Author: yuzurihaaa

lib/src/experimental_sdk.dart

@@ -17,6 +17,7 @@ export 'sdk/logs/log_record_limit.dart' show LogRecordLimits;
 export 'sdk/logs/exporters/log_record_exporter.dart' show LogRecordExporter;
 export 'sdk/logs/processors/log_record_processor.dart' show LogRecordProcessor;
 export 'sdk/logs/processors/batch_log_record_processor.dart' show BatchLogRecordProcessor;
+export 'sdk/logs/processors/simple_log_record_processor.dart' show SimpleLogRecordProcessor;
 export 'sdk/logs/processors/noop_log_record_processor.dart' show NoopLogRecordProcessor;
 export 'sdk/logs/exporters/readable_log_record.dart' show ReadableLogRecord;
 export 'sdk/logs/exporters/otlp_log_exporter.dart' show OTLPLogExporter;