minigbm/virgl: Add NV12 to texture formats am: 335711e592 am: c82c24d75d am: ce55ee6b5b am: 7f7db19a83 am: f41e8e1254 am: 9b276576e7

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/minigbm/+/18717776

Change-Id: I67262d06cb8340a76aeb74005a44b7c90ffbc971
Signed-off-by: Automerger Merge Worker <[email protected]>