apm: Neutral naming for apm-agent-java (backport #1375)

[mergify]

This is an automatic backport of pull request #1375 done by Mergify.
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Changes to be committed:
	modified:   docker/java/spring/Dockerfile
	modified:   scripts/modules/apm_agents.py
	modified:   scripts/tests/test_service.py
	modified:   tests/versions/java.yml

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   README.md

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• Start Time: 2022-01-25T11:51:16.509+0000

• Duration: 32 min 29 sec

• Commit: 89f1a05

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Skipped	1
Total	273

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• Start Time: 2022-01-25T11:52:31.523+0000

• Duration: 184 min 1 sec

• Commit: ef816fe

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Test	Results
Failed	0
Passed	268
Skipped	1
Total	269

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