Make title a little shorter so points label fits on title line in landscape mode when a video with a long title has been downloaded

Summary: ^

Test Plan: Go to a video (like "Example: Adding two digit numbers (no carrying)"), download it, then turn the device to landscape. The points label shouldn't jump around.

Reviewers: alpert

Reviewed By: alpert

Differential Revision: http://phabricator.khanacademy.org/D3253