Add Support for Threadsafe and NotThreadSafe annotations #385

Job	Run time
Java tests (swift:6.0.2 jdk:Corretto os:jammy)	8m 15s
Verify Samples (swift:6.0.2 jdk:Corretto os:jammy)	13m 41s
Swift tests (swift:6.0.2 jdk:Corretto os:jammy)	4m 43s
soundness / License headers check	5s
soundness / API breakage check	0s
soundness / Documentation check	40s
soundness / Broken symlinks check	3s
soundness / Unacceptable language check	3s
soundness / Format check	0s
soundness / Python lint check	5s
soundness / Shell check	35s
soundness / YAML lint check	3s
	28m 13s

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