Perform delayed freeing of the geometry BVHs similar to OptiX.
Previously BLAS memory was allocated in the device class as part of
device_update, but released in the BVHHIPRT destructor which gets called
when deleting geometry outside of device_update.
To avoid the GPU accessing unmapped memory, do a delayed free of this
memory in the device class as part of either device_update or device
destruction. This ensures it is in sync with other device memory changes.
Fix#148276Fix#139013Fix#138043Fix#140763
Pull Request: https://projects.blender.org/blender/blender/pulls/147247
b491002a9d