state transitions v2 and xrWaitframe/xrBeginFrame call order checks
Passes conformance tests including new tests from https://github.com/KhronosGroup/OpenXR-CTS/pull/7 with monado-service and in-process.
Passes conformance tests including new tests from https://github.com/KhronosGroup/OpenXR-CTS/pull/7 with monado-service and in-process.