Indexing permissions as part of the Elastic Agent policy (bp #187)

[mergify]

This is an automatic backport of pull request #187 done by Mergify.

Cherry-pick of a743bad has failed:

On branch mergify/bp/7.x/pr-187
Your branch is up to date with 'origin/7.x'.

You are currently cherry-picking commit a743bad.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   cmd/fleet/schema.go
	modified:   fleet-server.yml
	modified:   internal/pkg/dl/policies.go
	modified:   internal/pkg/es/mapping.go
	modified:   internal/pkg/model/schema.go
	new file:   internal/pkg/policy/output_permissions.go
	new file:   internal/pkg/policy/output_permissions_test.go
	new file:   internal/pkg/smap/smap.go
	modified:   model/schema.json

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   cmd/fleet/handleCheckin.go
	both modified:   cmd/fleet/handleEnroll.go

To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

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[elasticmachine]

💚 Build Succeeded

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Build stats

• Build Cause: Pull request #192 updated

• Start Time: 2021-03-30T18:43:20.280+0000

• Duration: 4 min 28 sec

• Commit: 8953220

Test stats 🧪

Test	Results
Failed	0
Passed	66
Skipped	0
Total	66

Trends 🧪

[mergify]

This pull request is now in conflicts. Could you fix it @mergify[bot]? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b mergify/bp/7.x/pr-187 upstream/mergify/bp/7.x/pr-187
git merge upstream/7.x
git push upstream mergify/bp/7.x/pr-187