Restart Dataproc Agent Service after connectors update. (#270)
Restart Dataproc Agent Service after connectors update. (#270)

Without restart Dataproc Agent could have loaded connectors java classes from old jars which could cause failures.

dennishuo/dataproc-initialization-actions,lukeFalsina/dataproc-initialization-actions,GoogleCloudDataproc/initialization-actions,dennishuo/dataproc-initialization-actions,lukeFalsina/dataproc-initialization-actions,GoogleCloudDataproc/initialization-actions,GoogleCloudDataproc/initialization-actions