DL: Update clusterfuzz dict to use rendersubtree and content-size

Bug: 1011694
Change-Id: If6610901703899d0f54aa44fdcc4cacb7fdb434d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1846891Reviewed-by: vmpstr <vmpstr@chromium.org>
Commit-Queue: Rakina Zata Amni <rakina@chromium.org>
Cr-Commit-Position: refs/heads/master@{#704029}

third_party/blink/renderer/core/display_lock/display_lock.dict

-"displayLock.acquire"
-"displayLock.commit()"
-"displayLock.update()"
-"displayLock.updateAndCommit()"
-"activatable: true"
-"activatable: false"
-"timeout: Infinity"
-"timeout: 0"
-"timeout: 17"
-"size: [100, 100]"
-"contain: style layout"
+"rendersubtree=''"
+"rendersubtree='invisible'"
+"rendersubtree='invisible activatable'"
+"updateRendering()"
+"content-size"