requested to merge roman.stratiienko/mesa:android-egl-keep-buffers-imported into main
Both BO import/release and IMapper@4 metadata API consumes a lot of CPU time.
Inferno shows the following amount of CPU time saved by this change:
- ~15% of Launcher3 time in RenderThread on OrangePI3 (Panfrost) FullHd
- ~9% of Launcher3 time in RenderThread on the PinePhone (Lima) 1440x720