Converge command line tools into one: swift-java #529

Job	Run time
Verify Samples (swift:6.0.2 jdk:Corretto os:jammy)	2m 45s
Swift tests (swift:6.0.2 jdk:Corretto os:jammy)	4m 28s
Java tests (swift:6.0.2 jdk:Corretto os:jammy)	9m 57s
soundness / API breakage check	0s
soundness / Format check	0s
soundness / Documentation check	45s
soundness / Broken symlinks check	4s
soundness / Python lint check	26s
soundness / License headers check	7s
soundness / Shell check	35s
soundness / Unacceptable language check	4s
soundness / YAML lint check	4s
	19m 15s

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