Disable flaky test ContentBrowserTest.RendererCrashCallStack on Linux

Bug: 1223763
Change-Id: Iaa07b02be7f3c9e7ae47bf91d6e83e2e6d9b5bb1
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2988180
Reviewed-by: Andy Paicu <andypaicu@chromium.org>
Reviewed-by: Illia Klimov <elklm@google.com>
Commit-Queue: Andy Paicu <andypaicu@chromium.org>
Commit-Queue: Illia Klimov <elklm@google.com>
Owners-Override: Andy Paicu <andypaicu@google.com>
Cr-Commit-Position: refs/heads/master@{#896012}