[SPARK-40428][CORE] Fix shutdown hook in the CoarseGrainedSchedulerBackend#37885

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holdenk wants to merge 4 commits intoapache:masterfrom

holdenk:shutdownhook-for-k8s

Commits on Sep 14, 2022

Add a shutdown hook in the CoarseGrainedSchedulerBackend to call stop since we've got zombie pods hanging around since the resource tie isn't perfect.
holdenk
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Commits on Sep 15, 2022

Revert "Add a shutdown hook in the CoarseGrainedSchedulerBackend to call stop since we've got zombie pods hanging around since the resource tie isn't perfect."
holdenk
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Make sure we shut down the task scheduler and cluster scheduler in event of other shutdown failures.
holdenk
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Commits on Sep 30, 2022

Code review feedback: skip tryLogNonFatal on timer cancels since they don't throw anything and add one around fallbackstorage cleanup.
holdenk
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