core: attempt RenderDocument experiment

[paulirish]

Much like puppeteer/puppeteer#13176 this is to evaluate CI failures with RenderDocument enabled.

---

dbw is failing

  ✘ difference at geolocation-on-start audit.score
              expected: 0
                 found: 1

#           found result:
      {
        "id": "geolocation-on-start",
        "title": "Avoids requesting the geolocation permission on page load",
        "description": "Users are mistrustful of or confused by sites that request their location without context. Consider tying the request to a user action instead. [Learn more about the geolocation permission](https://developer.chrome.com/docs/lighthouse/best-practices/geolocation-on-start/).",
        "score": 1,
        "scoreDisplayMode": "binary",
        "details": {
          "type": "table",
          "headings": [],
          "items": []
        }
      }
  
# 
  ✘ difference at no-document-write audit.score
              expected: 0.5
                 found: 1

# 
  ✘ difference at no-document-write audit.details.items.length
              expected: 3
                 found: 0

#           found result:
      {
        "id": "no-document-write",
        "title": "Avoids `document.write()`",
        "description": "For users on slow connections, external scripts dynamically injected via `document.write()` can delay page load by tens of seconds. [Learn how to avoid document.write()](https://developer.chrome.com/docs/lighthouse/best-practices/no-document-write/).",
        "score": 1,
        "scoreDisplayMode": "metricSavings",
        "details": {
          "type": "table",
          "headings": [],
          "items": []
        },
        "guidanceLevel": 2
      }
  
# 
  ✘ difference at notification-on-start audit.score
              expected: 0
                 found: 1

#           found result:
      {
        "id": "notification-on-start",
        "title": "Avoids requesting the notification permission on page load",
        "description": "Users are mistrustful of or confused by sites that request to send notifications without context. Consider tying the request to user gestures instead. [Learn more about responsibly getting permission for notifications](https://developer.chrome.com/docs/lighthouse/best-practices/notification-on-start/).",
        "score": 1,
        "scoreDisplayMode": "binary",
        "details": {
          "type": "table",
          "headings": [],
          "items": []
        }
      }
  
#   ✓ render-blocking-resources audit
# 
  ✘ difference at uses-passive-event-listeners audit.score
              expected: 0.5
                 found: 1

# 
  ✘ difference at uses-passive-event-listeners audit.details.items.length
              expected: ">=1"
                 found: 0

#           found result:
      {
        "id": "uses-passive-event-listeners",
        "title": "Uses passive listeners to improve scrolling performance",
        "description": "Consider marking your touch and wheel event listeners as `passive` to improve your page's scroll performance. [Learn more about adopting passive event listeners](https://developer.chrome.com/docs/lighthouse/best-practices/uses-passive-event-listeners/).",
        "score": 1,
        "scoreDisplayMode": "metricSavings",
        "details": {
          "type": "table",
          "headings": [],
          "items": []
        },
        "guidanceLevel": 3
      }