Development branch of obs-studio and obs-cef from home:fritz-fritz.

This project prepares the OBS Studio 33 browser build, including the CEF 7871 SDK and the obs-modules/core plugin layout. Builds here are for testing. They are not installed from the production project until an explicit submit request.

x86_64 and aarch64 only. There is no upstream CEF build for i586, armv7l, or riscv64.