[HUDI-1483] Support async clustering for deltastreamer and Spark streaming (#3142)

- Integrate async clustering service with HoodieDeltaStreamer and HoodieStreamingSink
- Added methods in HoodieAsyncService to reuse code

hudi-spark-datasource/hudi-spark/src/test/java/HoodieJavaStreamingApp.java

@@ -362,6 +362,7 @@ public class HoodieJavaStreamingApp {
         .option(DataSourceWriteOptions.PRECOMBINE_FIELD_OPT_KEY().key(), "timestamp")
         .option(HoodieCompactionConfig.INLINE_COMPACT_NUM_DELTA_COMMITS_PROP.key(), "1")
         .option(DataSourceWriteOptions.ASYNC_COMPACT_ENABLE_OPT_KEY().key(), "true")
+        .option(DataSourceWriteOptions.ASYNC_CLUSTERING_ENABLE_OPT_KEY().key(), "true")
         .option(HoodieWriteConfig.TABLE_NAME.key(), tableName).option("checkpointLocation", checkpointLocation)
         .outputMode(OutputMode.Append());