D8 should send idle notification even after the last run.

This, in combination with changes to the bot, should weed out false negatives.

R=marja@chromium.org

Review URL: https://codereview.chromium.org/293393003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21496 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
More nuisance

TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/297323004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21497 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Send idle notification on ASAN builder for proper tear down.

BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/300003005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21498 ce2b1a6d-e550-0410-aec6-3dcde31c8c00