Disable vulkan_content_browsertests on more Linux GPU FYI bots

These tests were disabled on a couple of Linux GPU FYI bots earlier but
there are flakes on other bots as well.

Bug: 940723
Change-Id: If4c7a519bf36bea3ad5e726675e798cb2129cbcc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1519101
Commit-Queue: Sunny Sachanandani <sunnyps@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Auto-Submit: Sunny Sachanandani <sunnyps@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#640203}
2 files changed