KYLIN-3647 Fix inconsistent states of job and its sub-task

[hit-lacus]

JIRA

https://issues.apache.org/jira/projects/KYLIN/issues/KYLIN-3647

CI

http://10.1.1.39/view/Kylin%20CI/job/kylin-manual-ci/205/

[asfgit]

Can one of the admins verify this patch?

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@21bc42d). Click here to learn what that means.
The diff coverage is 28.57%.

@@            Coverage Diff            @@
##             master     #311   +/-   ##
=========================================
  Coverage          ?   21.29%           
  Complexity        ?     4445           
=========================================
  Files             ?     1090           
  Lines             ?    70014           
  Branches          ?    10103           
=========================================
  Hits              ?    14908           
  Misses            ?    53702           
  Partials          ?     1404

Impacted Files	Coverage Δ	Complexity Δ
...he/kylin/job/impl/threadpool/DefaultScheduler.java	66.66% <0%> (ø)	9 <0> (?)
...apache/kylin/job/execution/AbstractExecutable.java	51.4% <0%> (ø)	48 <0> (?)
.../kylin/job/execution/DefaultChainedExecutable.java	66.66% <100%> (ø)	22 <0> (?)
.../apache/kylin/job/execution/ExecutableManager.java	33.62% <28.57%> (ø)	34 <2> (?)

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[shaofengshi]

LGTM