Added a new entry point, vrapi_CreateAndroidSurfaceSwapchain3, for creating an Android surface backed swapchain by passing platform specific create flags defined in ovrAndroidSurfaceSwapChainFlags.
The vrapi_SubmitFrame and associated structures have been marked deprecated and should no longer be used. The vrapi_SubmitFrame2 path should be used instead.
The ovrModeFlag, VRAPI_MODE_FLAG_FRONT_BUFFER_PROTECTED, has been removed since protected mode is indicated at the swapchain level via ovrAndroidSurfaceSwapChainFlags flag VRAPI_ANDROID_SURFACE_SWAP_CHAIN_FLAG_PROTECTED.
The ovrSystemStatus, VRAPI_SYS_STATUS_FRONT_BUFFER_PROTECTED, has been removed.