[SPARK-24421][BUILD][CORE] Accessing sun.misc.Cleaner in JDK11#22993

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Commits on Nov 9, 2018

Avoid sun.misc.Cleaner in JDK 9+ while retaining Java 8 compatibility. Other related changes to get JDK 11 working, to test
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Update deps
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Commits on Nov 10, 2018

Fix compile error in hive-thriftserver
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Commits on Nov 11, 2018

Split java.version on non-digit char
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Commits on Nov 13, 2018