Upgrade MediaElement to 2.13.2 from 2.13.0. For a full list of changes: https://github.com/johndyer/mediaelement/compare/2.13.0...2.13.2

Fixes #26954.



git-svn-id: https://develop.svn.wordpress.org/trunk@27059 602fd350-edb4-49c9-b593-d223f7449a82