LeakExpectations: add more serviceworker tests

bonus: sort expectations file

TBR=dmikurube@chromium.org
NOTRY=true
BUG=364390

Review URL: https://codereview.chromium.org/334403004

git-svn-id: svn://svn.chromium.org/blink/trunk@176292 bbb929c8-8fbe-4397-9dbb-9b2b20218538