MediaElement: Revert upstream commit b7f82b4 to restore the status quo for Chromium support.

fixes #29110.

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git-svn-id: http://core.svn.wordpress.org/trunk@29463 1a063a9b-81f0-0310-95a4-ce76da25c4cd
MediaElement: Bump version. see #29110.

Built from https://develop.svn.wordpress.org/trunk@29689


git-svn-id: http://core.svn.wordpress.org/trunk@29464 1a063a9b-81f0-0310-95a4-ce76da25c4cd