[FLINK-35992][runtime] Close the TieredStorageMasterClient when Netty… #9

Job	Run time
Pre-compile Checks / Basic QA	9m 53s
Default (Java 8) / Compile	34m 5s
Default (Java 8) / E2E (group 1)	1h 59m 59s
Default (Java 8) / Test packaging/licensing	37m 35s
Default (Java 8) / Test (module: core)	37m 16s
Default (Java 8) / E2E (group 2)	2h 30m 2s
Default (Java 8) / Test (module: python)	33m 0s
Default (Java 8) / Test (module: table)	40m 57s
Default (Java 8) / Test (module: connect)	21m 13s
Default (Java 8) / Test (module: tests)	49m 53s
Default (Java 8) / Test (module: misc)	48m 18s
	9h 42m 11s

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