Update test expectations for dynamic-stylesheet-loading.html
Update test expectations for dynamic-stylesheet-loading.html

virtual/web-animations-css/animations/dynamic-stylesheet-loading.html times out on Linux

BUG=277005
TEST=none
TBR=steveblock@chromium.org

Review URL: https://codereview.chromium.org/22980025

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@156485 bbb929c8-8fbe-4397-9dbb-9b2b20218538

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk