RUM-456 Add privacy manifest

[maxep]

What and why?

Add privacy manifest describing use of required reason API.

This manifest only covers APIs, not data collected.

resolve #1406

How?

Add privacy manifest to DatadogCore which is the only module making use of required apis:

• User defaults APIs in KronosTimeStorage.swift

Review checklist

• Feature or bugfix MUST have appropriate tests (unit, integration)
• Make sure each commit and the PR mention the Issue number or JIRA reference
• Add CHANGELOG entry for user facing changes

Custom CI job configuration (optional)

• Run unit tests for Core, RUM, Trace, Logs, CR and WVT
• Run unit tests for Session Replay
• Run integration tests
• Run smoke tests
• Run tests for tools/

[ncreated]

It looks good 👍. Let's link #1406 to this PR 🙂.

[datadog-datadog-prod-us1]

Datadog Report

Branch report: maxep/RUM-456/privacy-manifest
Commit report: 9faa46c
Test service: dd-sdk-ios

✅ 0 Failed, 2743 Passed, 0 Skipped, 11m 9.55s Wall Time
🔻 Test Sessions change in coverage: 11 decreased, 3 increased

🔻 Code Coverage Decreases vs Default Branch (11)

This report shows up to 5 code coverage decreases.

• test DatadogCrashReportingTests iOS 28.85% (Δ-0.16%) - Details
• test DatadogWebViewTrackingTests iOS 22.93% (Δ-0.15%) - Details
• test DatadogLogsTests tvOS 44.81% (Δ-0.14%) - Details
• test DatadogLogsTests iOS 44.75% (Δ-0.14%) - Details
• test DatadogCrashReportingTests tvOS 28.92% (Δ-0.13%) - Details