configure: rely on libplacebo to find vulkan
It detects it on Android and we don't. Since the vulkan code is only used with libplacebo, we should only enable it when libplacebo can use it (and the user allows it).
Edited by Steve Lhomme
It detects it on Android and we don't. Since the vulkan code is only used with libplacebo, we should only enable it when libplacebo can use it (and the user allows it).
VideoLAN code repository instance