AW: add disable-gpu-rasterization to flags UI

No change to logic. This exposes disable-gpu-rasterization in the flags
UI, to help debug potential graphics/gpu issues.

Bug: 1041073
Test: None
Change-Id: Ib4fa4d364e11b9720ed452be42bd8bfb588e9017
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2008007
Commit-Queue: Nate Fischer <ntfschr@chromium.org>
Commit-Queue: Bo <boliu@chromium.org>
Auto-Submit: Nate Fischer <ntfschr@chromium.org>
Reviewed-by: Bo <boliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#733101}
1 file changed