[CP] Bump unified_analytics to 7.0.1

[kenzieschmoll]

Commit(s) to merge

https://dart-review.googlesource.com/c/sdk/+/397001

Target

beta

Prepared changelist for beta/stable

https://dart-review.googlesource.com/c/sdk/+/397420

Issue Description

See this cherry pick request for details on why the DevTools CP is needed. TL;DR is that DevTools analytics were broken and the fix required changes to package:unified_analytics and DevTools.

What is the fix

Bump the unified_analytics version in the SDK to use 7.0.1.

Why cherry-pick

This DevTools cherry pick requires unified_analytics version 7.0.1: https://dart-review.googlesource.com/c/sdk/+/396386. See this cherry pick request for details on why the DevTools CP is needed.

Risk

low

Issue link(s)

flutter/devtools#8516

Extra Info

This CP into the Dart SDK beta branch will need to be accompanied by another SDK CP: https://dart-review.googlesource.com/c/sdk/+/396386 (cp request)

[dart-github-bot]

Summary: DevTools analytics were broken. This change bumps unified_analytics to 7.0.1 to fix them, requiring cherry-picks to beta and stable SDK branches.