elastic_agent: changes for unified integration UI

[endorama]

What does this PR do?

Align package title and description for improved Unified Integration UI display.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• If I'm introducing a new feature, I have modified the Kibana version constraint in my package's manifest.yml file to point to the latest Elastic stack release (e.g. ^7.13.0).

Author's Checklist

• promote package to staging
• promote package to production

How to test this PR locally

Related issues

• Part of Update title and description based on guidelines for Elastic Agent based Observability integrations #1901

Screenshots

[elasticmachine]

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• Start Time: 2021-10-25T10:36:01.004+0000

• Duration: 13 min 18 sec

• Commit: 164e231

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Total	30

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[elasticmachine]

Pinging @elastic/ingest-management (Team:Ingest Management)

[elasticmachine]

Pinging @elastic/elastic-agent (Team:Elastic-Agent)

[elasticmachine]

Pinging @elastic/integrations (Team:Integrations)

[ruflin]

The elastic_agent packages collects logs and metrics from the Elastic Agent, see https://github.com/elastic/integrations/tree/master/packages/elastic_agent/data_stream I assume this should be mentioned in the title?

[ruflin]

@endorama @akshay-saraswat ^

[endorama]

@akshay-saraswat I'm going to change this to: Elastic Agent - Collect logs and metrics from Elastic Agents. similar to other integrations that behave in the same way.

[ruflin]

@endorama I have currently a PR open for Elastic Agent and can take care of it directly. Ok for you? #2125

[endorama]

Yes please! Thank you