Rebase android/fullscreen video tests following chromium r266654

BUG=169282
TBR=reveman@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/251113006

git-svn-id: svn://svn.chromium.org/blink/trunk@172817 bbb929c8-8fbe-4397-9dbb-9b2b20218538