[analytics] instrument OpenSimulator, Reload, Restart

[pq]

Instruments stragglers:

• OpenSimulatorAction
• ReloadAllFlutterApps
• RestartAllFlutterApps

Towards: #8598

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• I’ve reviewed the contributor guide and applied the relevant portions to this PR.

Contribution guidelines:

• See our [contributor guide](https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md for general expectations for PRs.
• Larger or significant changes should be discussed in an issue before creating a PR.
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[helin24]

📈