[analytics] initial sendReport API

[pq]

A jumping off point for a sendReport implementation.

Next step is to add params and do some experimenting w/ DTD.

You'll note that this handles error conditions a little differently than the other DTD interactions and I'm open to feedback. (In those cases we return futures that will blow up if interrogated. I'm not sure we want to do that here (or even if we'll ever ask?)) Dunno.

---

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

Contribution guidelines:

• See our [contributor guide](https://github.com/dart-lang/sdk/blob/main/CONTRIBUTING.md for general expectations for PRs.
• Larger or significant changes should be discussed in an issue before creating a PR.
• Dart contributions to our repos should follow the Dart style guide and use dart format.
• Java and Kotlin contributions should strive to follow Java and Kotlin best practices (discussion).

[pq]

/gemini

[helin24]

/gemini

[gemini-code-assist]

Thanks for the ping! I've received the /gemini command and will process the pull request.

[helin24]

Hmmm I'm not sure if gemini is just taking a while or if something's wrong. BTW should this be moved to the Dart plugin?

[helin24]

Otherwise this LGTM

[pq]

Ultimately, yeah, I do think this and the whole analytics reporting service should move to the Dart plugin. I don't want to gate it on that though. (Luckily it should be a simple move once the time comes.)

[helin24]

I like the result handling structure; we can use that elsewhere if it's working well.

[helin24]

Thanks for the ping! I've received the /gemini command and will process the pull request.

@gemini-code-assist this is taking a while - perhaps there is an issue with this PR since it was created before we enabled gemini?

[gemini-code-assist]

Thanks for checking in, @helin24! The /gemini command can sometimes take a little while to process, especially for larger pull requests. The creation date of the PR shouldn't cause any issues with the review process. I'm still working on it and will provide feedback as soon as it's ready.