Re-enable inspector-protocol/timeline/timeline-raf.html
Re-enable inspector-protocol/timeline/timeline-raf.html

This layout test doesn't seem to be flaky anymore.

BUG=432129

Review URL: https://codereview.chromium.org/1154483003

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@195699 bbb929c8-8fbe-4397-9dbb-9b2b20218538

Pluto-tv/blink-crosswalk,Pluto-tv/blink-crosswalk,Pluto-tv/blink-crosswalk,Pluto-tv/blink-crosswalk,Pluto-tv/blink-crosswalk,Pluto-tv/blink-crosswalk,Pluto-tv/blink-crosswalk,Pluto-tv/blink-crosswalk,Pluto-tv/blink-crosswalk,Pluto-tv/blink-crosswalk