chore: Update sdk_metadata features

[devin-ai-integration]

Requirements

• I have added test coverage for new or changed functionality — N/A, metadata-only change
• I have followed the repository's pull request submission guidelines
• I have validated my changes against all supported platform versions — N/A, metadata-only change

Related issues

N/A

Describe the solution you've provided

Adds a features map to the Android SDK entry in .sdk_metadata.json, documenting which SDK features are supported and the version each was introduced. Feature keys use the canonical camelCase names from sdk-meta/products/feature_info.json, and introduction versions are sourced from the SDK features documentation table (the "all other client-side SDKs" → Android column) and verified against the repository's CHANGELOG.

18 features are included: allFlags, appMetadata, autoEnvAttrs, bigSegments, contexts, experimentation, flagChanges, hooks, inlineContextCustomEvents, multiEnv, offlineMode, perContextSummaryEvents, pluginSupport, privateAttrs, relayProxyProxy, testDataSource, track, variationDetail.

Updates since last revision

Added two features that were missing from the initial commit:

• perContextSummaryEvents: introduced in 5.11.0 — verified via CHANGELOG entry "Add support for per-context summary events" under the 5.11.0 release
• testDataSource: introduced in 4.0 — verified via CHANGELOG entry for TestData class added in the 4.0.0 release

Human review checklist

• Verify each feature's introduced version matches the SDK's changelog / docs table
• Confirm no supported features are missing (e.g., appMetadata uses "3.6" for users-era support — docs also notes "4.2" for contexts-era; only the initial introduction version is listed here)
• bigSegments: "1.0" represents "All" from the docs table (i.e., supported since the SDK's first release) — confirm this convention is acceptable
• pluginSupport: "5.9" is mapped from the "Observability plugin" row in the docs table — verify this mapping is correct for this SDK
• perContextSummaryEvents: "5.11.0" and testDataSource: "4.0" — verify these newly added features and versions are correct

Describe alternatives you've considered

N/A — this follows the established pattern used by other SDKs (e.g., js-core, go-server-sdk) that already have features in their .sdk_metadata.json.

Additional context

• Link to Devin session
• Requested by: Aaron Zeisler
• This is one of 9 PRs updating .sdk_metadata.json across multiple SDK repositories.

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Note

Low Risk
Low risk metadata-only change that updates documentation/SDK catalog data without affecting runtime code paths.

Overview
Adds a features section to the Android entry in .sdk_metadata.json, listing 18 supported capabilities (for example contexts, hooks, pluginSupport, perContextSummaryEvents) along with the version each was introduced.

Also updates the userAgents line formatting to accommodate the new features block.

^{Written by Cursor Bugbot for commit 15aba5a. This will update automatically on new commits. Configure here.}

[devin-ai-integration]

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[aaron-zeisler]

FYI (no action needed): The build may fail until #329 is merged.

[devin-ai-integration]

Understood, thanks for the heads up. This PR only touches .sdk_metadata.json so the build failure should be unrelated to these changes. Will wait for #329 to be merged before any CI concerns.