synchronize schema spec

[ghost]

What

APM agent json schema automatic sync

Why

• elastic/apm-server@f787691a Support for ingesting user.domain Support for ingesting user.domain apm-server#5067

[codecov-io]

Codecov Report

Merging #1755 (fa92e41) into master (d7de9d2) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@ Coverage Diff @@ ## master #1755 +/- ## ============================================ - Coverage 61.13% 61.12% -0.01%  - Complexity 3607 3608 +1  ============================================ Files 402 402 Lines 18294 18294 Branches 2509 2509 ============================================ - Hits 11184 11183 -1  - Misses 6323 6325 +2  + Partials 787 786 -1 

Impacted Files	Coverage Δ	Complexity Δ
...tic/apm/agent/report/ssl/TLSFallbackSSLSocket.java	39.13% <0.00%> (-2.18%)	20.00% <0.00%> (ø%)
...ic/apm/agent/profiler/collections/LongHashSet.java	16.66% <0.00%> (+0.79%)	12.00% <0.00%> (+1.00%)

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[ghost]

💚 Build Succeeded

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Build stats

• Build Cause: Branch indexing

• Start Time: 2021-04-13T12:39:20.650+0000

• Duration: 55 min 26 sec

• Commit: 7ed6435

Test stats 🧪

Test	Results
Failed	0
Passed	1982
Skipped	19
Total	2001

Trends 🧪

💚 Flaky test report

Tests succeeded.

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Test stats 🧪

Test	Results
Failed	0
Passed	1982
Skipped	19
Total	2001