[GStreamer][EME][Thunder] Add video/x-vp9 as supported for cenc and cbcs
Created attachment 418725 [details] Patch
This depends on patch for bug 221133 to land.
Tools/Scripts/svn-apply failed to apply attachment 418725 [details] to trunk. Please resolve the conflicts and upload a new patch.
Committed r272137: <https://trac.webkit.org/changeset/272137> All reviewed patches have been landed. Closing bug and clearing flags on attachment 418725 [details].
<rdar://problem/73822753>