Seems like an effort to stick video en/decoding behind graphics drivers as a vendor neutral approach instead of relying on VDPAU or VA-API. These efforts should equally apply to Windows and Android as well as Linux.
The lack of AMD GPUs in Android devices?
Hence why OpenGL ES on Vulkan is now a thing since Android 14, that is the only way Google has found out to force OEMs to up their game on Vulkan drivers.