IMPALA-3527: use codegen'd ProcessProbeBatch() when spilling.
IMPALA-3527: use codegen'd ProcessProbeBatch() when spilling.

Change-Id: I92ebfb01e370d0a842270771c9e5f1a4610dc16a
Reviewed-on: http://gerrit.cloudera.org:8080/3035
Reviewed-by: Tim Armstrong <2f8e34250f03a653da3dc27f7ec203eafdde80fc@cloudera.com>
Tested-by: Internal Jenkins

cloudera/Impala,cloudera/Impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala