Gardening: mark svg/as-image/svg-invalid-image-1.html as flaky
Gardening: mark svg/as-image/svg-invalid-image-1.html as flaky

BUG=441736
TBR=dglazkov
NOTRY=true

Review URL: https://codereview.chromium.org/804473003

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@187018 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