Fix CFBundleShortVersionString length.
Fix CFBundleShortVersionString length.

This property can only be 3 numbers, but the CFBundleVersion can be 4.

Fixes #137

Change-Id: I9fc9e46159b6ada7d577817b884853f68a9f5ce8

shaka-project/shaka-player-embedded,shaka-project/shaka-player-embedded,shaka-project/shaka-player-embedded,shaka-project/shaka-player-embedded,shaka-project/shaka-player-embedded