[7.x] Generate fields for APM package (#4432)

[jalvz]

Backports the following commits to 7.x:

• Generate fields for APM package (Generate fields for APM package #4432)

[apmmachine]

💚 Build Succeeded

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Build stats

• Build Cause: Pull request #4532 opened

• Start Time: 2020-12-14T19:42:51.715+0000

• Duration: 32 min 42 sec

Test stats 🧪

Test	Results
Failed	0
Passed	4384
Skipped	140
Total	4524

Steps errors

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Run Window tests

• Took 9 min 4 sec . View more details on here

Compress

• Took 0 min 0 sec . View more details on here
• Description: tar --exclude=coverage-files.tgz -czf coverage-files.tgz coverage

Compress

• Took 0 min 0 sec . View more details on here
• Description: tar --exclude=system-tests-linux-files.tgz -czf system-tests-linux-files.tgz system-tests

Test Sync

• Took 3 min 9 sec . View more details on here
• Description: ./script/jenkins/sync.sh