Update Experimental Features

[mikehoffms]

Rendered articles for review:

• Experimental features in Microsoft Edge DevTools
  • https://review.learn.microsoft.com/microsoft-edge/devtools-guide-chromium/experimental-features/index?branch=pr-en-us-3077
  • Live
• About the list of tools - removed row for CSP Violations tool, added row for Protocol monitor tool.
  • Live
• Performance recording event reference - renamed from Timeline event reference.
  • Live

AB#49138495

[learn-build-service-prod]

Learn Build status updates of commit 3fdf925:

✅ Validation status: passed

File	Status	Preview URL	Details
microsoft-edge/devtools-guide-chromium/about-tools.md	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/evaluate-performance/performance-reference.md	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/experimental-features/index.md	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/experimental-features/index-images/accessibility-tree-view.png	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/experimental-features/index-images/elements-tool-w-button.png	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/experimental-features/index-images/elements-tool-wo-button.png	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/experimental-features/index-images/post-message-events.png	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/experimental-features/index-images/post-message-events-arrows.png	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/experimental-features/index-images/protocol-monitor-tool.png	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/experimental-features/index-images/stack-trace-tab.png	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/experimental-features/index-images/track-configuration.png	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/javascript/reference.md	✅Succeeded	View
microsoft-edge/devtools-guide-chromium/whats-new/2019/12/devtools.md	✅Succeeded	View
microsoft-edge/toc.yml	✅Succeeded	View

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