Cherry-pick #18550 to 7.x: [libbeat] Remove global loggers from jsontransform

[kaiyan-sheng]

Cherry-pick of PR #18550 to 7.x branch. Original message:

This PR is to remove global loggers for libbeat/common/jsontransform.
Please see #15699 for the meta-issue and more details.

[elasticmachine]

Pinging @elastic/integrations-platforms (Team:Platforms)

[elasticmachine]

💚 Build Succeeded

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Build stats

• Build Cause: [Pull request Cherry-pick #18550 to 7.x: [libbeat] Remove global loggers from jsontransform #18645 opened]

• Start Time: 2020-05-19T18:14:22.356+0000

• Duration: 77 min 47 sec (4607111)

Test stats 🧪

Test	Results
Failed	0
Passed	6615
Skipped	1053
Total	7668

Steps errors

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• Name: Report to Codecov

  • Description: curl -sSLo codecov https://codecov.io/bash for i in auditbeat filebeat heartbeat libbeat metricbeat packetbeat winlogbeat journalbeat do FILE="${i}/build/coverage/full.cov" if [ -f "${FILE}" ]; then bash codecov -f "${FILE}" fi done

  • Result: FAILURE

  • Duration: 2 min 22 sec

  • Start Time: 2020-05-19T18:53:24.270+0000

  • log

• Name: Report to Codecov

  • Description: curl -sSLo codecov https://codecov.io/bash for i in auditbeat filebeat heartbeat libbeat metricbeat packetbeat winlogbeat journalbeat do FILE="${i}/build/coverage/full.cov" if [ -f "${FILE}" ]; then bash codecov -f "${FILE}" fi done

  • Result: FAILURE

  • Duration: 2 min 22 sec

  • Start Time: 2020-05-19T18:55:46.225+0000

  • log