Add Spotify to the default oEmbed providers list. fixes #24242.



git-svn-id: http://core.svn.wordpress.org/trunk@24164 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Support Spotify web player links. see #24242.



git-svn-id: http://core.svn.wordpress.org/trunk@24165 1a063a9b-81f0-0310-95a4-ce76da25c4cd